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Related catalogs Contents
Low-VoltageControlgear for Industry
Order No.:E86060-K1002-A101-A4-7600
LV 10 Contactors and contactor assemblies Semiconductorcontrolgear, soft starters, controllers Circuit-breakers Overload relays Load feeders Switch disconnectorsand fuses SIMIREL time, monitoring, coupling relaysand converters Control and signaling devices BETAelectrical installation technology: Selected products SIGUARD safety systems SIDAC-T transformers SIDAC-S power supplies ALPHA FIX terminal blocks
Power DistributionProducts and Systems forPower Distribution
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LV 30 BETA protect installation equipment Communication-capable circuit-breakers Compact circuit-breakers(MCCB) Air circuit-breakers (ACB) SENTRIC switchdisconnectors and fuse switch disconnectors Switch-gear, distribution systems and cabinets
SIVACON 8PSBusbar Trunking Systems CD,BD01, BD2 up to 1250 A
Order No.:E86060-K1870-A101-A1-7600
LV 70 Busbar Trunking Units, Overview System CD (25 A - 40 A) System BD01 (40 A - 160 A) System BD2 (160 A - 1250 A)
SIVACON 8PSBusbar Trunking Systems CD,BD01, BD2 up to 1250 A
Order No.:E86060-P1870-A101-A2-7600
LV 70 P Price List
System CD (25 A - 40 A) System BD01 (40 A - 160 A) System BD2 (160 A - 1250 A)
SIVACON 8PSBusbar Trunking SystemsBD2A/BD2C, LDA/LDCfrom 160 A to 5000 A
Order No.:E86060-T1871-A101-A1-7600
LV 71 T Technical Information
System Overview BD2A/BD2C System LDA/LDC System Further Information
SIVACON 8PSBusbar Trunking SystemsLXA/LXC over 800 A
Order No.:E86060-T1872-A101-A1-7600
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Automation and DrivesThe Offline Mall for A&D
Order No.:E86060-D4001-A110-C3-7600
CA 01 All the products from Automation and Drives includingthe products from the catalogs listed above.
A&D Mall
Internet:http://www.siemens.de/automation/mall
All the products from Automation and Drives includingthe products from the catalogs listed above.
Registered trademarks Explanations
All product designations may be registered trademarksor product names of Siemens AG or other supplyingcompanies. Third parties using these trademarks orproduct names for their own purposes might infringeupon the rights of the trademark owners.
Further information about low-voltage switchgear andcontrolgear is available on the Internet at:
http://www.siemens.com/lowvoltage
Type:If a type designation contains * characters, it is notcomplete and must be supplemented according to specifi-cations in the list.
Order No.: For an order, BVP: must be placed before theOrder No. stated in the catalog (034262 --> BVP:034262).
Packaging size (PS):The packaging size defines thenumber of units, sets or meters, for outer packaging.Only the quantity defined by the packaging size or amultiple thereof can be ordered!
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s
Invalid: LV 71 2004/2005Errata Sheet for LV 71 2004/2005
Siemens AG 2005
SIVACON 8PSBusbar TrunkingSystems LDA/LDCfrom 1100 to 5000 A
Catalogue LV 71 2005
Introduction
Busbar Trunking Systems,Overview
LD Busbar Trunking System
Annex
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1/2 Welcome to Automation and Drives
1/3 Low-voltage switchgear the basis for progressive solutions
1/4 Totally Integrated Automation innovations for more productivity
1/6 Totally Integrated Power energy distribution and managementfrom one source
1/8 SIVACON 8PS Busbar Trunking Systems in Action
1/10 SIVACON 8PS Engineering Tools for preciselydimensioned, economical solutions
Introduction
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Low-voltage switchgear and controlgear
the basis for progressive solutions
Everyday life would be unimaginable without electric power. Competence and innovations
in switching and electrical installation technology are prerequisites so that power can be
used without danger and user-friendly in industrial facilities and buildings. We have been
providing you with these prerequisites for more than 110 years and are permanently de-
veloping new features innovations which permit you to use power more safely and eco-
nomically.
Low-voltage switchgear from Siemens offers a comprehensive and innovative range of
products covering switching devices for load feeders or the distribution of power, control
and signaling devices as well as complete cabinet systems. Multi-functional, uniform con-
cepts such as Totally Integrated Power, Safety Integrated or ECOFAST additionally permit
our product portfolio to be combined into optimized systems.
All in all, we can provide you with innovative components for switching and electrical in-
stallation technology which utilize state-of-the-art features such as integration and com-
munication as the basis for advanced and uniform solutions which provide you with many
benefits.
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PROCESS FIELD
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The BD 01 system is quick to install and
ideally suited for use in workshops andtrade premises, as here, at a photo-graphers.
In the petrochemical industry, it is the PEC system that providesreliable and fault-free power supply.
The ideal system for production linesneeding a great deal of power is theLD system up to 5000 A.
SIVACON 8PS
Busbar Trunking Systems in Action
Busbar trunking systems in the low-voltge range
perform the safe and reliable transmission and
distribution of electrical power from transformer
via main distribution board and sub-distribution
board right to the load. Siemens busbar trunking
systems are the complete and efficient answer
in this area:
The CD system for 25 A to 40 A
The BD01 system for 40 A to 160 A
The BD2 system for 160 A to 1250 A
The PEC system for 800 A to 6000 A
The LD system for 1100 A to 5000 A
The LX system for 800 A to 6300 A
Alle these systems are Type-tested LV switch-
gear assemblies (TTA) to IEC 60 439-1 and -2.
This ensures that they offer a standard of safety
and reliability that meets the particularly high
performance expectations of automated pro-
duction and for building services provision.
Performance characteristics:
Clear network structure
Unproblematic retrofitting in the event of load
changes
Low operating costs due to uninterrupted ser-
viceability
Simple planning and installation
Room-covering systems for lighting installa-
tions and small loads
The CD system (up to 40 A) allows you to supply
lighting installations covering the whole expan-
se of, say, furniture showrooms, supermarkets
or greenhouses with power, and also provides
the means to easily fix them in position.
Due to its pleasing appearance, the equipment
is well suited for use in sales rooms visited by
the public. On the other hand, its high degree ofprotection, to IP54, allows the CD system to be
used even in harsh environments.
The power source for loads with no fixed
location
The BD01 system is ideally suited for the power
supply (up to 160 A) in workshops and trade
premises. The trunking units are easy and quick
to put together. The anti-rotation feature on the
tap-off units makes sure that the units are
correctly fitted and allows for easy retrofitting
even while the production is running.
Other benefits: minimum stock holding and un-
complicated planning due to one standard
frame size for five different current ratings.
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Universal power distribution
The BD2 system (up to 1250 A) can supply
power to medium-size loads in buildings and in
all industrial applications. Prefabricated tap-off
units fitted with many differing component
combinations make this equipment universally
applicable. Two standard frame sizes covering
all current ratings simplify stock keeping and
planning.
Safe and reliable power transmission in the
petrochemical industry
The PEC resin-insulated system, up to 6000 A,
has a high degree of insulation protection and
thus an enormous resistance to external interfe-
rence factors. This ensures safe and reliable
transport of power even in rough weather or in
highly dust and dirt and corrosion polluted
industrial environments. Typical applications of
this system is the petrochemical industry, waste
incinerators and power stations.
High system serviceability in production
The louvred LD busbar trunking system, up to5000 A, is the system for transporting current in
production lines with a large energy require-
ment, such as in the automotive industry. A
separate PE busbar ensures that the protective
device in such a system responds reliably even
if the current paths are relatively long. The high
short-circuit rating allows medium-voltage
switches to be used as protective elements for
the transmission of power between transformer
and main circuit-breaker. Tap-off units up to
1250 A available as standard.
Flexible power distribution in multi-storey
buildingsThe LX sandwich-style system, up to 6300 A, is
used where large quantities of power need to be
transported, uninfluenced by the mounting posi-
tion of the system.
Conductor configurations with the PE conductor
insulated along its entire length, and a double-
size neutral can ensure the interference-free dis-
tribution of power in places such as radio
stations, computer centres or at internet
providers. The system is protected to IP54 as
standard, and tap-off units up to 1250 A availa-
ble as standard.
Siemens offers modular component cabinets for indication, control and monitoring of theflow of power through busbar trunking systems. These cabinets are equipped with businterfaces, control circuit devices and power meters.
The LX busbar trunking system is the perfect equipment for multi-storey buildings where large quantities of power need to be transpor-ted, uninfluenced by the mounting position of the system.
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Engineering tools from Siemens help generate
precisely dimensioned and economical plan-
ning and design solutions, even for complex ap-
plications.
MatSelect
Using MatSelect, product and material data can
be administered with self designed or
standardised classification systems. It has inter-
faces to Eldanorm, Datanorm, ASCII format and
ProPlan.
NetPlan
Planning software for power flow, short-circuit
calculation and device dimensioning with selec-
tivity analysis and protective against electric
shock of low-voltage networks, available in
English, German, French and Italian.
NetSelect
Selection software for protective switches to en-
able star networks to be correctly dimensioned;
available in several languages.
BusbarSelect
Selection aid for generating quotations, invitati-
ons to tender and orders for busbar trunking
systems up to 1250 A; available in several
languages.
Quotation texts
Prepared texts (in German) for generating
customer specifications in the formats: Architext
excellent, GAEB 81 and Word 97.
Should you have any queries concerning instal-lation, functionality or application options
please mail us at
We will be pleased to assist you.
NetPlan enables you to graphically represent the network and tocalculate the load flow and the prospective one-pole to all-pole shortcircuitcurrent/load.
In BusbarSelect, you select the trunking units for your system from a menu,and then transfer them into an order or quotation list.
SIVACON 8PS - Engineering Tools for
precisely dimensioned, economical solutions
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2/2 Technical Overview
2/4 System Overview
Busbar Trunking Systems,Overview
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Technical Overview
Siemens LV 71 20052/2
Busbar Trunking Systems, Overview
Busbar trunking systems Ratedcurrent
A
Rated operationalvoltage
V AC
Frequency
Hz
Number ofactive conductors
Degree ofprotection
Ambienttemperaturemin./max.C
CD 3040225
400 50 ... 60 2, 3, 4, 24(PE = enclosure)
IP54 5/+40
BD01 4063100125160
400 50 ... 60 4(PE = enclosure)
IP54 5/+40
BD2ABD2C
160 ... 400500 ... 1250
690 50 ... 60 5 IP52,IP54 withaccessories,IP55 on request
5/+40
LDA1 LDA8LDC2 LDC8
1100 ... 40002000 ... 5000
1000 50 ... 60 4 or 5 IP34,IP54
5/+40
LXA01 LXA10LXC01 LXC10
800 ... 45001000 ... 6300
690 50 ... 60 3, 4, 5, 6(PE = enclosure)
IP54,IP55 with
accessories
5/+40
NSV0_00201
NSV0_00241
NSV0_00421
NSV0_00681
NSV0_00321
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Technical Overview
Siemens LV 71 2005 2/3
Busbar Trunking Systems, Overview
2
Mountingposition
Length
m
Tap-off points Tap-off units Material Combustiveenergy
kWh/m
Edgewise 23
On one side:every 0.5 or 1 mOn both sides:
every 0.5 or 1 m
Up to 16 A InsulatedCu conductors,painted sheet
steel housing
0.1 ... 0.48
Edgewise,flat(tap-off pointsdownwards)
23
On one side:every 0.5 or 1 m
Up to 63 A InsulatedAl or Cuconductors,painted sheetsteel housing
0.76 Can be combined with networkabletap-off units for lighting control sys-tems
Edgewise,flatand vertical
0.5 ... 3.25 Without,on both sides:every 0.25 or0.5 m offset
Up to 400 A Al or Cu busbars,painted sheetsteel housing
0.6 ... 0.67(without tap-offpoints)
Can be combined with networkabletap-off units for lighting control sys-tems, remote switching and load mon-itoring
Horizontal,edgewiseand vertical
0.5 ... 3.2 Without,on one side:every 1 m,on both sides:every 1 m
Up to 1250 A InsulatedAl or Cu busbars,painted sheetsteel housing
4.16 ... 8.83(without tap-offpoints)
Information about the LD andLX systems: from yourSiemens sales outlet.
Can be combined with networkabletap-off units for remote switching andload monitoring
Horizontal,edgewise
and vertical
0.35 ... 3 Without,on one side:
every 0.5 m,on both sides:every 0.5 m
Up to 1250 A InsulatedAl or Cu busbars,
painted alumini-um housing
1.95 ... 11.07(without tap-off
points)
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System Overview
Siemens LV 71 20052/4
Busbar Trunking Systems, Overview
6
6
6
3
2
1
5
4
6
10
DB
DB
BK-10
-10DB
BK
28600_
0VSN
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System Overview
Siemens LV 71 2005 2/5
Busbar Trunking Systems, Overview
2
Up to 40 A
CD system 1
Reduced planning costs by simplified engineering
Quick-release plug-in connection for fast assembly
Tap-off points on both sides for optimized utilization of the busbar
Even electrical loading of the CD system conductors achieved by connect-ing an equal number of tap-off plugs to each individual phase
Versatility through high degree of protection to IP54 of the standardversion
Tap-off plugs allow fast, flexible load relocation (even on live sytems).
a Catalog LV 70
Up to 160 A
BD01 system 2
Flexible power supply
Junction units for changes in direction
Quick, straightforward planning
Time-saving assembly
Reliable mechanical and electrical connections
High level of stability, low weightPositive opening and closing of tap-off points
Versatile tap-off units
Few basic elements
Modular system reduces stock-holding
High degree of protection to IP54 with tap-off points at sides and bottomfor extreme ambient conditions, otherwise IP50.
a Catalog LV 70
Up to 1250 A
BD2 system 3
Quick, straightforward planningTime-saving, cost-efficient assembly
Reliable, safe operation
Flexible modular system with simple solutions for every application
Early planning of power distribution possible without precise knowledge ofconsumer locations
Fast operational readiness through quick, easy assembly
High degree of protection to IP54 for use in harsh industrial environments
Innovative construction:No compensating units for expansion compensation required.
a Catalog LV 70
Up to 5000 A
LD system 4
The busbar trunking system for optimized power distribution in industry.
Reliable, safe operation
Time-saving, cost-efficient assembly
Space-saving compact construction type up to 5000 A in an enclosure
Plug-in tap-off units up to 1250 A
Type-tested connection to service distribution boards and transformers
a Chapter 3
Up to 6300 A
LX system 5
The busbar trunking system for power transmission and distribution inbuildings.
Detailed information about this system is available from your Siemens salesoutlet.
Catalog LV 72
PEC system
The busbar trunking system for power transmission under extreme environ-mental conditions (IP68).
Detailed information about this system is available from your Siemens salesoutlet.
Networkable busbar trunking system 6
Networkable function expansions for combination with known tap-offunits
Applications: large area lighting control systems remote switching and signalling in industrial applications load monitoring of decentral power tap-offsEIB, AS-i and PROFIBUS bus systems
Quick, straightforward planning
Flexible with expansion and modification
Module system
Can be retrofitted to existing installations
Simple contact establishment of bus line with insulation displacementconnection feature
Can be used with the BD01, BD2, LD, and LX systems
Design software
BusbarSelectDesign software for busbar trunking systems up to 1250 A
This CD-ROM is available free of charge from your Siemens sales outlet.
Technical Information
LV 71.T
Planning guideSIVACON 8PSBusbar trunking systems BD2A/BD2C and LDA/LDC from 160 A to 5000 A
LV72.T
Planning guideSIVACON 8PSBusbar trunking systems LXA/LXC over 800 A
These planning aids are available from your Siemens sales outlet.
Leaflet
E20001-A220-P309
SIVACON 8PSSafe and flexible power distribution up to 6300 A
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Notes
Siemens LV 71 20052/6
Busbar Trunking Systems, Overview
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3/2 System overview
Selection and ordering data
3/6 Straight trunking units
3/10 Branch and junction units
3/22 Distribution board connection units
3/28 Connection units
3/40 Reduction units
3/41 Tap-off units
3/46 Accessories
Technical data
3/48 Trunking units
3/60 Connection units
3/61 Tap-off units
3/64 Weights
Engineering
3/68 Basics
3/77 Dimensioning of busbar runs,Production of parts lists
3/82 Incoming connections
3/91 Fire barrier
3/95 Expansion compensation and fixed po
3/99 Examples
3/106 Tap-offs
3/112 Special cases
Dimensions
3/118 Straight trunking units
3/119 Connection units
3/140 Tap-off units
3/146 Accessories
LD Busbar Trunking System
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System Overview
Siemens LV 71 20053/2
LD Busbar Trunking System
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System Overview
Siemens LV 71 2005 3/3
LD Busbar Trunking System
3
Straight trunking units 3
Without or with f ire barrier,fire resistance class S 120 to DIN 4102 Part 9
Degree of protection IP34 and IP54
4- and 5-conductor systems
Standard lengths of 1.6 m/2.4 m/3.2 m Optional lengths of 0.5 ... 3..19 m
for horizontal and vertical installationStraight trunking units with tap-off points
Tap-off points above, below or at both sides
Coding brackets as protection against incorrect fitting
(key-lock principle) protection against confusing tap-off units
(4/5-conductor system) sliding contacts for PE in 5-conductor systems
IP20 touch protection with the tap-off point open
Page 3/6
Connection/feeder units 5
Incoming transformer connection, enclosed for rated currents from 1100 ... 5000 A connecting lugs for all standard clearances phase sequence as required
Incoming distribution board connection for rated currents from 1100 ... 5000 A phase sequence as required
Incoming cable connection for rated currents from 1100 ... 2500 A cable entry via cable grommets with cable supporting
rail
Page 3/28
Branch and junction units 4
Flexible engineering for matching to buildingconstruction, with elbow (L unit flat), offset elbow knee (L unit edgewise), offset knee Z unit T unit U unit
Without or with fire barrier
Page 3/10
Tap-off units 2
Modification possible while the system is energized
Leading PE(N) connecting contact during mounting
IP20 touch protection of the contact assembly duringfitting and removing
Coding brackets
Sealing
Cable entry at the side with additional cablecompartment
Safety by specified sequence of fitting/removal
Sheet steel enclosure with IP30 or IP54 degree ofprotection resulting from additional cover
Page 3/35
Distribution board connection units 6
For distribution board connection toSiemens SIVACON PV Power Distribution System
from above from below
Page 3/22
Accessories 1
End flanges
Distribution board blank plates
Protective sleeves
Fixing brackets
Suspension brackets
Torque spanner
Page 3/40
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System OverviewType key
Siemens LV 71 20053/4
LD Busbar Trunking System
Straight trunking units, junction units and distribution board connection units
LD connection units2)
Notes:
N/PEN = 1/2L,possible from LD.4... to LD.8...
Rated current le[A]
IP31 IP54 IP31/IP54 CodeNo.Horizontal edgewise
including offsetsHorizontaledgewiseandvertical
Horizontalflat
< 1.3 m > 1.3 m
Al Cu Al Cu Al Cu Al Cu1100 950 900 700 1
1250 2000 1100 1650 1000 1600 750 1200 2
1600 2600 1250 2100 1200 2000 1000 1550 3
2000 1700 1500 1200 4
2500 2100 1800 1700 5
3000 3400 2300 2700 2000 2600 1800 2000 6
3700 4400 2800 3500 2400 3200 2200 2600 7
4000 5000 3400 4250 2700 3600 2350 3000 8
Conductor material
Al A
Cu C
Version
4 4-conductor
6 5-conductor
N/PEN
1 1/2L
2 L
Degree of protection
3 IP34 (31)1)
5 IP54
Fire barrier
120 ALDA 1 LDA 3LDC 2 LDC 3
120 BLDA 4 LDA 8LDC 6 LDC 8
Fire barrier
Positioning of(X*, Y*, Z*)(see Engineering)
LD -.... +LD-L -
Type Type suffix
Notes:
N/PEN = 1/2L,possible from LD.4... to LD.8...
1) IP31 for horizontal flat units.2) Horizontal/edgewise
with connecting lugs below.3) IP54 on request.
Rated current le[A]
IP31 CodeNo.Horizontal/
edgewiseSystem
Al Cu LDA LDC
1100 1
31250 2000 2 2
1600 2600 3 3
2000 4
62500 5
3000 3400 6 6
3700 4400 7 7 7
4000 5000 8 8 8
Conductor material
Al A
Cu C
Version
4 4-conductor6 5-conductor
N/PEN
1 1/2L
2 L
Degree of protection
3 IP34 (31)3)
Type lug clearance [mm]
State of
delivery
Adjustable
on site
1 150 ... 160 165 ... 180
2 190 ... 280 285 ... 380
3
450 ... 600 610 ... 750
PEN(N)-L2200 ... 300
PEN(N)-L2200 ... 400
4
450 ... 600 605 ... 750
PEN(N)-L3(1)150 ... 250
PEN(N)-L3(1)250 ... 350
LD -.... +AS
Type
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System OverviewImportant notes
Siemens LV 71 2005 3/5
LD Busbar Trunking System
3
Please note the following for selection and ordering:
Dimensions
Length details in the selection tables are quoted in metres(m). Optional lengths may be chosen in 0.01 m stages.
Type
All types designated with * must be completed by the cor-responding dimension. Add the type suffix to the type ifappropriate.
Type suffix
The type suffixes, e. g. fixed point, fire barrier, flange pla-te, and phase sequence, must always be quoted togetherwith the type.
Type suffix for fire barrier
For the fire barrier type suffix, the distance from the hookend (+LD-....-X*) or bolt end (+LD-L....-Y*) to the center ofthe fire barrier must be entered in metres (m).The minimum distance from the hook or bolt end to thecenter of the fire barrier must be observed.
Type key
The LDA/LDC type keys are shown on the opposite page.For selecting complete types, these type keys must betransferred to the selection tables.
In special cases, the type key is to be found on the selec-tion page itself: for example for tap-off units and cableconnection units.
Legend
Order number supplement
For an order, BVP:mut be placed before the ordernumber stated in the catalog.
Example: the order number in the catalog is 034262.When placing an order, please write BVP:034262.
Dimension Description Dimension Description
A Length of the fitted unit (straight) T For T units: Length of the basic trunking unit
AD Distance between the center of tap-off pointand the trunking unit end at the hook
TX Distance from center of the T branch to theunit end at the hook
AD min Minimum distance between the center ofthe tap-off point and the trunking unit end
TY Distance from the center of the T branch tounit end at the bolt
AX Unit fitted: Length of the X leg W Optional length
AY Unit fitted: Length of the Y leg X Length of the X leg
D Length of expansion compensation units Y Length of the Y leg
DX Distance between the center of the expan-sion compensation unit and the trunkingunit end at the hook
Z Length of the Z leg
S Standard length
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Selection and Ordering DataStraight trunking units for horizontal installation without tap-off points
Siemens LV 71 20053/6
LD Busbar Trunking System
Length
S/W/D
m
Type
Type suffix
Fire barrier
Type suffix
Fixed point
Standard lengths
3.2 LD.....-3,2 +LD-L....-X* +LD-FP
2.4 LD.....-2,4 +LD-L....-X* +LD-FP
1.6 LD.....-1,6 +LD-L....-X* +LD-FP
Optional lengths
0.50 ... 0.89 LD.....-1W* +LD-FP
0.90 ... 1.59 LD.....-2W* +LD-L....-X* +LD-FP
1.61 ... 2.39 LD.....-3W* +LD-L....-X* +LD-FP
2.41 ... 3.19 LD.....-4W* +LD-L....-X* +LD-FP
Optional lengths with double bolt
0.50 ... 0.89 LD.....-J-1W* +LD-FP
0.90 ... 1.59 LD.....-J-2W* +LD-L....-Y* +LD-FP
1.60 ... 2.39 LD.....-J-3W* +LD-L....-Y* +LD-FP
2.40 ... 3.20 LD.....-J-4W* +LD-L....-Y* +LD-FP
Expansion compensation
1.20DX= 0.6Expansion =
LD.....-D
Fire barrier note:
Fire barrier can be used for LD.1...- to LD.7...from 0.92 m (0.96 m for double bolt) and for LD.8...-from 1.12 m(1.16 mfor double bolt) length.
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-2W1,4,
+LD-L120A-X0,54
S
W
W
D
Dx
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Selection and Ordering DataStraight trunking units for horizontal installation with tap-off points
Siemens LV 71 2005 3/7
LD Busbar Trunking System
3
Length
W
m
Position1)of the
tap-off points
AD (m)
Type
Type suffix
Fixed point
Standard lengths with 3 tap-off points
3.2 0.6 + 1.6 + 2.6
above LD.....-K-3,2-3AD +LD-FP
bottom LD.....-K-3,2-3ADU +LD-FP
above or bottom LD.....-K-3,2-3ADO+U +LD-FP
Standard lengths with 2 tap-off points
3.2 0.8 + 2.4
above LD.....-K-3,2-2AD +LD-FP
bottom LD.....-K-3,2-2ADU +LD-FP
above or bottom LD.....-K-3,2-2ADO+U +LD-FP
Standard lengths with 1 tap-off point
3.2 2.4
above LD..-K-3,2-AD2,4 +LD-FP
bottom LD..-K-3,2-ADU2,4 +LD-FP
above or bottom LD..-K-3,2-ADO+U2,4 +LD-FP
3.2 0.8
above LD..-K-3,2-AD0,8 +LD-FP
bottom LD..-K-3,2-ADU0,8 +LD-FP
above or bottom LD..-K-3,2-ADO+U0,8 +LD-FP
1) Position of the tap-off point ...-AD(U) (O+U)* from the hook end. Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-K-3,2-3AD
LDA4623-K-3,2-2ADU
S
AD
S
ADADmin
S
AD
S
AD
-
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Selection and Ordering DataStraight trunking units for horizontal installation with tap-off points
Siemens LV 71 20053/8
LD Busbar Trunking System
Length
W
m
Position1)of the
tap-off points
AD (m)
Type
Type suffix
Fixed point
Optional lengths with 2 tap-off points
Minimum distance between the tap-offpoint and the trunking unit end AD 0.6 m
2.20 ... 2.40 above LD.....-K-2W*-2AD* +LD-FP
bottom LD.....-K-2W*-2ADU* +LD-FP
above or bottom LD.....-K-2W*-2ADO+U* +LD-FP
first fixed at 0.6,second variable at1.4 ... 1.8in stages of 0.2
2.41 ... 3.20 above LD.....-K-3W*-2AD* +LD-FP
bottom LD.....-K-3W*-2ADU* +LD-FP
above or bottom LD.....-K-3W*-2ADO+U* +LD-FP
first fixed at 0.6,second variable at1.4 ... 2.6
in stages of 0.2
Optional lengths with 1 tap-off point
1.20 ... 1.60 above LD.....-K-1W*-AD* +LD-FP
bottom LD.....-K-1W*-ADU* +LD-FP
above or bottom LD.....-K-1W*-ADO+U* +LD-FP
variable at0.6 ... 1.0in stages of 0.2
1.61 ... 2.40 above LD.....-K-2W*-AD* +LD-FP
bottom LD.....-K-2W*-ADU* +LD-FP
above or bottom LD.....-K-2W*-ADO+U* +LD-FP
variable at0.6 ... 1.8in stages of 0.2
2.41 ... 3.20 above LD.....-K-3W*-AD* +LD-FP
bottom LD.....-K-3W*-ADU* +LD-FP
above or bottom LD.....-K-3W*-ADO+U* +LD-FP
variable at0.6 ... 2.6in stages of 0.2
1) Position of the tap-off point ...-AD(U) (O+U)* from the hook end. Complete ordering details:
See Type key/Important notes
(System overview, pages 3/4 and 3/5)Examples: LDA1423-K-2W2,20-ADU1,4 +LD-FPLDA4623-K-3W2,60-AD1,6
W
ADAD
min
W
AD
-
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Selection and Ordering DataStraight trunking units for vertical installation, always with expansion and fixed point
Siemens LV 71 2005 3/9
LD Busbar Trunking System
3
Length
S/W
m
Position1)of the
tap-off points
AD (m)
Type
Type suffix
Fire barrier
Standard lengths
3.2 LD.....-V-3,2 +LD-L....-X*
2.4 LD.....-V-2,4 +LD-L....-X*
Optional lengths
2.29 ... 2.80 LD.....-V-1W* +LD-L....-X*
2.81 ... 3.00 LD.....-V-2W* +LD-L....-X*
3.01 ... 3.19 LD.....-V-3W* +LD-L....-X*
Standard lengths with 1 tap-off point
above
3.2 1.4 LD.....-K-V-3,2-AD1,4 +LD-L....-X*
3.2 1.8 LD.....-K-V-3,2-AD1,8 +LD-L....-X*
2.4 1.4 LD.....-K-V-2,4-AD1,4
Optional lengths with 1 tap-off point
above
2.29 ... 2.80 1.4 LD.....-K-V-1W*-AD1,4 +LD-L....-X*
1.8 LD.....-K-V-1W*-AD1,8
2.81 ... 3.00 1.4 LD.....-K-V-2W*-AD1,4 +LD-L....-X*
1.8 LD.....-K-V-2W*-AD1,8
3.01 ... 3.19 1.4 LD.....-K-V-3W*-AD1,4 +LD-L....-X*
1.8 LD.....-K-V-3W*-AD1,8 +LD-L....-X*
1) Position of the tap-off point ...-AD(U) (O+U)* from the hook end.
Fire barrier note:Minimum fire barrier dimensions owing to integrated expansion compensation:For LD.1...- to LD.8...-: X 1,10.For AD 1.8trunking units, the fire barrier is possiblefromX 2.45on.For AD 1.4trunking units, the fire barrier is possible fromX 2.05on.
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-V-1W2,60 +LD-L120A-X1,8
LDA4623-K-V-2W2,90-AD1,4
S
W
S
AD
W
AD
-
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Selection and Ordering DataJunction units for horizontal installation
Siemens LV 71 20053/10
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Elbow trunking units
right
X 0.5/Y 0.5 LD.....-LR
X 0.51 ... 1.24/Y 0.5 LD.....-LR-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LR-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LR-X*/Y* +LD-L....-X*+LD-L....-Y*
left
X 0.5/Y 0.5 LD.....-LL
X 0.51 ... 1.24/Y 0.5 LD.....-LL-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LL-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LL-X*/Y* +LD-L....-X*+LD-L....-Y*
Z trunking units, flat
right
X 0.5/Y 0.5Z 0.36 ... 0.99 with LD.1 to LD.3Z 0.48 ... 0.99 with LD.4 to LD.8
LD.....-ZR-Z*
left
X 0.5/Y 0.5Z 0.36 ... 0.99 with LD.1 to LD.3Z 0.48 ... 0.99 with LD.4 to LD.8
LD.....-ZL-Z*
Fire barrier note:
Fire barrier possible with optional length from
X 0.86or Y 0.90with LD.1...- to LD.3...-X 0.92or Y 0.96with LD.4...- to LD.7...-X 1.12or Y 1.16with LD.8...-
Complete ordering details:
See Type key/Important notes
(System overview, pages 3/4 and 3/5)Examples: LDA1423-LR-X1,22 +LD-L120A-X0,65
LDA4623-ZL-Z0,84
YX
X
Y
Z
Y
X
Y
Z
X
-
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Selection and Ordering DataJunction units for horizontal installation
Siemens LV 71 2005 3/11
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
U trunking units, flat
right
X 0.5/Y 0.5Z 0.46 ... 0.99 with LD.1 to LD.3
Z 0.58 ... 0.99 with LD.4 to LD.8
LD.....-UR-Z*
left
X 0.5/Y 0.5Z 0.46 ... 0.99 with LD.1 to LD.3Z 0.58 ... 0.99 with LD.4 to LD.8
LD.....-UL-Z*
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA4623-UL-Z0,84
Y
ZX
X
ZY
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 20053/12
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Knee trunking units
front
X 0.5/Y 0.5 LD.....-LV
X 0.51 ... 1.24/Y 0.5 LD.....-LV-X* +LD-L....-X*X 0.5/Y 0.51 ... 1.24 LD.....-LV-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LV-X*/Y* +LD-L....-X*+LD-L....-Y*
rear
X 0.5/Y 0.5 LD.....-LH
X 0.51 ... 1.24/Y 0.5 LD.....-LH-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LH-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LH-X*/Y* +LD-L....-X*+LD-L....-Y*
Z trunking units, edgewise
front
X 0.5/Y 0.5Z 0.36 ... 0.99
LD.....-ZV-Z*
rear
X 0.5/Y 0.5Z 0.36 ... 0.99
LD.....-ZH-Z*
Fire barrier note:
Fire barrier possible for elbow units with optional length fromX 0.86or Y 0.90with LD.1...- to LD.7...-X 1.06or Y 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-LV-X1,22 +LD-L120A-X0,65
Y
X
Y
X
Z
X
Y
Z
Y
X
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 2005 3/13
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
U trunking units, edgewise
front
X 0.5/Y 0.5Z 0.5 ... 0.99
LD.....-UV-Z*
rear
X 0.5/Y 0.5Z 0.5 ... 0.99
LD.....-UH-Z*
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-UV-Z0,89
Z
X
Y
Z
X
Y
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 20053/14
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Offset knee trunking units
front right
X 0.5/Y 0.5 LD.....-LVR
X 0.51 ... 1.24/Y 0.5 LD.....-LVR-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LVR-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LVR-X*/Y* +LD-L....-X*+LD-L....-Y*
front right with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LVR-Z* +LD-L....-Z*
rear right
X 0.5/Y 0.5 LD.....-LHR
X 0.51 ... 1.24/Y 0.5 LD.....-LHR-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LHR-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LHR-X*/Y* +LD-L....-X*+LD-L....-Y*
rear right with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LHR-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possible for offset elbow units with optional length fromX 0.86or Y 0.90or Z 0.84with LD.1...- to LD.3...-X 0.92or Y 0.90or Z 0.90with LD.4...- to LD.7...-X 1.12or Y 1.10or Z 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-LVR-X1,22 +LD-L120A-X0,65
LDA4623-LHR
Y
X
Z
YX
Y
X
Y
X Z
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 2005 3/15
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
Offset knee trunking units
front left
X 0.5/Y 0.5 LD.....-LVL
X 0.51 ... 1.24/Y 0.5 LD.....-LVL-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LVL-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LVL-X*/Y* +LD-L....-X*+LD-L....-Y*
front left with Z dimension
X 0,5/Y 0,5Z 0,36 ... 1,30 with LD.1 to LD.3Z 0,42 ... 1,30 with LD.4 to LD.8
LD.....-LVL-Z* +LD-L....-Z*
rear left
X 0.5/Y 0.5 LD.....-LHL
X 0.51 ... 1.24/Y 0.5 LD.....-LHL-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LHL-Y* +LD-L....-Y*
X/Y 0.51 to 1.24 LD.....-LHL-X*/Y* +LD-L....-X*+LD-L....-Y*
rear left with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LHL-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possible for offset elbow units with optional length from
X 0.86or Y 0.90or Z 0.84with LD.1...- to LD.3...-X 0.92or Y 0.90or Z 0.90with LD.4...- to LD.7...-X 1.12or Y 1.10or Z 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes
(System overview, pages 3/4 and 3/5)Examples: LDA1423-LHL-X1,22 +LD-L120A-X0,65
LDA4623-LVL
Y
X
Y
X
Z
X
Y
Y
X
Z
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 20053/16
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Offset elbow trunking units
right front
X 0.5/Y0.5 LD.....-LRV
X 0.51 ... 1.24/Y 0.5 LD.....-LRV-X* +LD-L....-X*X 0.5/Y0.51 ... 1.24 LD.....-LRV-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LRV-X*/Y* +LD-L....-X*+LD-L....-Y*
right front with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LRV-Z* +LD-L....-Z*
right rear
X 0.5/Y 0.5 LD.....-LRH
X 0.51 ... 1.24/Y 0.5 LD.....-LRH-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LRH-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LRH-X*/Y* +LD-L....-X*+LD-L....-Y*
right rear with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LRH-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possible for offset elbow units with optional length fromX 0.86or Y 0.90or Z 0.84with LD.1...- to LD.3...-X 0.86or Y 0.96or Z 0.90with LD.4...- to LD.7...-X 1.06or Y 1.16orZ 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-LRV-X1,22 +LD-L120A-X0,65
LDA4623-LRH
X
Y
Z
X
Y
X Y
Z
X
Y
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 2005 3/17
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
Offset elbow trunking units
left front
X 0.5/Y 0.5 LD.....-LLV
X 0.51 ... 1.24/Y 0.5 LD.....-LLV-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-LLV-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LLV-X*/Y* +LD-L....-X*+LD-L....-Y*
left front with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LLV-Z* +LD-L....-Z*
left rear
X 0.5/Y0.5 LD.....-LLH
X 0.51 ... 1.24/Y0.5 L D.....-LLH-X* +LD-L....-X*
X 0.5/Y0.51 ... 1.24 L D.....-LLH-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-LLH-X*/Y* +LD-L....-X*+LD-L....-Y*
left rear with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-LLH-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possiblefor offset elbow units with optional length fromX 0.86or Y 0.90or Z 0.84with LD.1...- to LD.3...-X 0.92orY 0.90or Z 0.90with LD.4...- to LD.7...-X 1.12or Y 1.10or Z 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-LLH-X1,22 +LD-L120A-X0,65
LDA4623-LLV
X
Y
Z
X
Y
X
Y
Y
Z
X
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 20053/18
LD Busbar Trunking System
l
Length
m
Type
T units with branching unit above
straight
T 1.2 trunking unit(TX 0.58 and TY 0.62)A 0.5 branching unit
LD.....-T-AD-T
offset, front right
Trunking unit as -T-AD-T
AX 0.5 and AY 0.3 branching unit
LD.....-T-AD-TVR
offset, front left
Trunking unit as aboveAX 0.5 and AY 0.3 branching unit
LD.....-T-AD-TVL
Complete ordering details:
Example: LDA1423-T-AD-TVL
A
TX
TY
T
AY
AX
AY
AX
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 2005 3/19
LD Busbar Trunking System
3
Length
m
Type
T units with branching unit above
offset, rear right
Trunking unit as -T-AD-TAX 0.5 and AY 0.3 branching unit
LD.....-T-AD-THR
offset, rear left
Trunking unit as aboveAX 0.5 and AY 0.3 branching unit
LD.....-T-AD-THL
Complete ordering details:
Example: LDA1423-T-AD-THL
AY
AX
AY
AX
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 20053/20
LD Busbar Trunking System
Length
m
Type
T units with branching unit below
straight
T 1.2 trunking unit(TX 0.58 and TY 0.62)A 0.5 branching unit
LD.....-T-ADU-T
offset, front right
Trunking unit as -T-ADU-TAX 0.5 and AY 0.3 branching unit
LD.....-T-ADU-TVR
offset, front left
Trunking unit as above
AX 0.5 and AY 0.3 branching unit
LD.....-T-ADU-TVL
Complete ordering details:
Example: LDA1423-T-ADU-TVL
A
TX
TY
T
AX
AY
AY
AX
-
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Selection and Ordering DataJunction units for horizontal and vertical installation
Siemens LV 71 2005 3/21
LD Busbar Trunking System
3
Length
m
Type
T units with branching unit below
offset, rear right
Trunking unit as -T-ADU-TAX 0.5 and AY 0.3 branching unit
LD.....-T-ADU-THR
offset, rear left
Trunking unit as aboveAX 0.5 and AY 0.3 branching unit
LD.....-T-ADU-THL
Complete ordering details:
Example: LDA1423-T-ADU-THL
AX
AY
AX
AY
-
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Selection and ordering dataDistribution board connection units for non-Siemens distribution boards, cable connection and AS connection/feeder units
Siemens LV 71 20053/22
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Distribution board connecting flange
S 0.185
LD.1... to LD.3... LD-VEG1
LD.4... to LD.8... LD-VEG2
VE knee
front
X 0.5/Y 0.3 LD.....-VEV
X 0.51 ... 1.24/Y 0.3 LD.....-VEV-X* +LD-L....-X*
rear
X 0.5/Y 0.3 LD.....-VEH
X 0.51 ... 1.24/Y 0.3 LD.....-VEH-X* +LD-L....-X*
Fire barrier note:
Fire barrier possible for VE knee with optional length from:X 0.86with LD.1...- to LD.7...-X 1.06with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Example: LDA1423-VEV-X1,22 +LD-L120A-X0,65
S
Y
X
Y
X
-
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Selection and ordering dataDistribution board connection units for non-Siemens distribution boards, cable connection and AS connection/feeder units
Siemens LV 71 2005 3/23
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
Offset VE knee
front right
X 0.5/Y 0.3 LD.....-VEVR
X 0.51 ... 1.24/Y 0.3 LD.....-VEVR-X* +LD-L....-X*
front right with Z dimension
X 0.5/Y 0.3Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEVR-Z*
front left
X 0.5/Y 0.3 LD.....-VEVL
X 0.51 ... 1.24/Y 0.3 LD.....-VEVL-X* +LD-L....-X*
front left with Z dimension
X 0.5/Y 0.3
Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEVL-Z*
Fire barrier note:
Fire barrier possible for offset VE knee with optional length from:X 0.86with LD.1...- to LD.3...-X 0.92with LD.4...- to LD.7...-X 1.12with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA1423-VEVL-Z0,9
LDA1423-VEVR-X1,22 +LD-L120A-X0,65
Y
X
Y
Z X
Y
X
Y
Z
X
-
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Selection and ordering dataDistribution board connection units for non-Siemens distribution boards, cable connection and AS connection/feeder units
Siemens LV 71 20053/24
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Offset VE knee
rear right
X 0.5/Y 0.3 LD.....-VEHR
X 0.51 ... 1.24/Y 0.3 LD.....-VEHR-X* +LD-L....-X*
rear right with Z dimension
X 0.5/Y 0.3Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEHR-Z*
rear left
X 0.5/Y 0.3 LD.....-VEHL
X 0.51 ... 1.24/Y 0.3 LD.....-VEHL-X* +LD-L....-X*
rear left with Z dimension
X 0.5/Y 0.3Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEHL-Z*
Fire barrier note:
Fire barrier possible for offset VE knee with optional length from:X 0.86with LD.1 ...- to LD.3...-X 0.92with LD.4...- to LD.7...-X 1.12with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA4523-VEHL-Z0,9
LDA1423-VEHR-X1,22 +LD-L120A-X0,65
Y
X
Y
Z
X
Y
X
Y
Z
X
-
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Selection and ordering dataDistribution board connection units for SIVACON 8PV and 8PT power distribution systems
Siemens LV 71 2005 3/25
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
Trunking units
straight
W 0.50 ... 1.60 LD.....-VEU-1W* +LD-L....-X*
W 1.61 ... 2.40 LD.....-VEU-2W* +LD-L....-X*
W 1.41 ... 3.20 LD.....-VEU-3W* +LD-L....-X*
Knee
front
X 0.5/Y 0.5 LD.....-VEU-LV
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LV-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LV-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LV-X*/Y* +LD-L....-X*+LD-L....-Y*
rear
X 0.5/Y 0.5 LD.....-VEU-LH
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LH-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LH-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LH-X*/Y* +LD-L....-X*+LD-L....-Y*
Fire barrier note:
Fire barrier possible for knee with optional length from:X 0.86with LD.1 ...- to LD.7...-X 1.06with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Example: LDA1423-VEU-LH-X1,22
+LD-L120A-X0.65
W
Y
X
Y
X
-
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Selection and ordering dataDistribution board connection units for SIVACON 8PV and 8PT power distribution systems
Siemens LV 71 20053/26
LD Busbar Trunking System
Length
m
Type
Type suffix
Fire barrier
Offset knee
front right
X 0.5/Y 0.5 LD.....-VEU-LVR
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LVR-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LVR-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LVR-X*/Y* +LD-L....-X*+LD-L....-Y*
front right with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEU-LVR-Z* +LD-L....-Z*
front left
X 0.5/Y 0.5 LD.....-VEU-LVL
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LVL-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LVL-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LVL-X*/Y* +LD-L....-X*+LD-L....-Y*
front left with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEU-LVL-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possible for offset knee with optional length from:X 0.86or Z 0.84with LD.1...- to LD.3...-X 0.92or Z 0.90with LD.4...- to LD.7...-X 1.12or Z 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA4623-VEU-LVR-Z0,84
LDA1423-VEU-LVL-X1,20+LD-L120A-X0,80
X
Y
Y
Z
X
Y
X
Y
ZX
-
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Selection and ordering dataDistribution board connection units for SIVACON 8PV and 8PT power distribution systems
Siemens LV 71 2005 3/27
LD Busbar Trunking System
3
Length
m
Type
Type suffix
Fire barrier
Offset knee
rear right
X 0.5/Y 0.5 LD.....-VEU-LHR
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LHR-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LHR-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LHR-X*/Y* +LD-L....-X*+LD-L....-Y*
rear right with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEU-LHR-Z* +LD-L....-Z*
rear left
X 0.5/Y 0.5 LD.....-VEU-LHL
X 0.51 ... 1.24/Y 0.5 LD.....-VEU-LHL-X* +LD-L....-X*
X 0.5/Y 0.51 ... 1.24 LD.....-VEU-LHL-Y* +LD-L....-Y*
X/Y 0.51 ... 1.24 LD.....-VEU-LHL-X*/Y* +LD-L....-X*+LD-L....-Y*
rear left with Z dimension
X 0.5/Y 0.5Z 0.36 ... 1.30 with LD.1 to LD.3Z 0.42 ... 1.30 with LD.4 to LD.8
LD.....-VEU-LHL-Z* +LD-L....-Z*
Fire barrier note:
Fire barrier possible for offset knee with optional length from:X 0.86or Z 0.84with LD.1...- to LD.3...-X 0.92or Z 0.90with LD.4...- to LD.7...-X 1.12or Z 1.10with LD.8...-
Complete ordering details:
See Type key/Important notes(System overview, pages 3/4 and 3/5)Examples: LDA4623-VEU-LHR-Z0,84
LDA1423-VEU-LHL-X1,22+LD-L120A-X0,65
X
Y
X
Z
Y
X
Y
X Z
Y
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Selection and ordering dataAS 1, AS 2 and AS 4 connection/feeder units
Siemens LV 71 20053/28
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS1: Length 725 mmAS2: Length 1085 mmAS4: Length 1930 mm
LD.....-AS. +LD-1A +LD-FLP
LD.....-AS. +LD-2A +LD-FLP
LD.....-AS. +LD-1B +LD-FLP
LD.....-AS. +LD-2B +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to1 150 ... 160 165 ... 180
2 190 ... 280 285 ... 380
4
450 ... 600 605 ... 750
PEN(N) L3(1)150 ... 250
PEN(N) L3(1)250 ... 350
(PE)
PEN(N)L3
L2
NSV0
_0056
4
L1
NSV0
_00560
NSV0
_0056
5
L2L3
PEN(N)
(PE)
L1
NSV0
_005
61
NSV0
_0056
6
PEN(N)
L2L1
(PE)
L3
NSV0
_00560
NSV0
_00567
L1
L3L2
PEN(N)
(PE)
NSV0
_005
61
-
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Selection and ordering dataAS 1, AS 2 and AS 4 connection/feeder units
Siemens LV 71 2005 3/29
LD Busbar Trunking System
3
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS1: Length 725 mmAS2: Length 1085 mmAS4: Length 1930 mm
LD.....-AS. +LD-1C +LD-FLP
LD.....-AS. +LD-2C +LD-FLP
LD.....-AS. +LD-1D +LD-FLP
LD.....-AS. +LD-2D +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to1 150 ... 160 165 ... 180
2 190 ... 280 285 ... 380
4
450 ... 600 605 ... 750
PEN(N) L3(1)150 ... 250
PEN(N) L3(1)250 ... 350
(PE)
PEN(N)L1
L2
NSV0
_0056
8
L3
NSV0
_0056
0
L3L2
L1PEN(N)
(PE)
NSV0
_0056
9
NSV0
_005
61
(PE)
PEN(N)
L2L1
NSV0
_00570
L3
NSV0
_0056
0
L3
L1L2
PEN(N)
(PE)
NSV0
_00571
NSV0
_005
61
-
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Selection and ordering dataAS 3 connection/feeder units
Siemens LV 71 20053/30
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS3: Length 1430 mm
LD.....-AS3 +LD-1E +LD-FLP
LD.....-AS3 +LD-2E +LD-FLP
LD.....-AS3 +LD-1F +LD-FLP
LD.....-AS3 +LD-2F +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
3
450 ... 600 605 ... 750
PEN(N) L3(1)200 ... 300
PEN(N) L3(1)200 ... 400
(PE)
PEN(N)
L1L2
NSV0
_00572
L3
NSV0
_00560
L3
L2L1
PEN(N)
(PE)
NSV0
_0057
3
NSV0
_005
61
(PE)
PEN(N)L3
L2
NSV0
_0057
4
L1
NSV0
_00560
L1
L3
L2
PEN(N)
(PE)
NSV0
_0057
5
NSV0
_005
61
-
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Selection and ordering dataAS 3 connection/feeder units
Siemens LV 71 2005 3/31
LD Busbar Trunking System
3
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS3: Length 1430 mm
LD.....-AS3 +LD-1G +LD-FLP
LD.....-AS3 +LD-2G +LD-FLP
LD.....-AS3 +LD-1H +LD-FLP
LD.....-AS3 +LD-2H +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
3
450 ... 600 605 ... 750
PEN(N) L3(1)200 ... 300
PEN(N) L3(1)200 ... 400
(PE)
L1
PEN(N)L2
NSV0
_0057
6
L3
NSV0
_0056
0
L1
L3L2
PEN(N)
(PE)
NSV0
_00577
NSV0
_005
61
(PE)
PEN(N)L1
L2
NSV0
_0057
8
L3
NSV0
_0056
0
L3
L1
L2
PEN(N)
(PE)
NSV0
_0057
9
NSV0
_005
61
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Selection and ordering dataAS1 and AS2 connection/feeder units with T tap-off
Siemens LV 71 20053/32
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS1: Length 725 mmAS2: Length 1085 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS.-T +LD-1A +LD-FLP
LD.....-AS.-T +LD-1B +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to1 150 160 165 180
2 190 280 285 380
(PE)
NSV0
_005
30
PEN(N)L3
L2L1
NSV
0_
00580
(PE)
PEN(N)L3
L2
NSV0
_005
32
L1NS
V0
_00580
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Selection and ordering dataAS1 and AS2 connection/feeder units with T tap-off
Siemens LV 71 2005 3/33
LD Busbar Trunking System
3
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS1: Length 725 mmAS2: Length 1085 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS.-T +LD-1C +LD-FLP
LD.....-AS.-T +LD-1D +LD-FLP
Note for lug clearance:Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to1 150 160 165 180
2 190 280 285 380
(PE)
PEN(N)
L3L2
NS
V0
_00534
L1 N
SV
0_
00580
(PE)
NS
V0
_00536
PEN(N)
L3L2
L1
NSV0
_00580
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Selection and ordering dataAS3 connection/feeder units with T tap-off
Siemens LV 71 20053/34
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS3: Length 1430 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS3-T +LD-1E +LD-FLP
LD.....-AS3-T +LD-1F +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
3
450 600 605 750
PEN(N) L3(1)200 300
PEN(N) L3(1)200 400
(PE)
L1
PEN(N)L2
L3
NSV0_
00538a
NSV
0_
00580
PEN(N)L3
L2L1
(PE)
NSV0_
00540a
NS
V0
_00580
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Selection and ordering dataAS3 connection/feeder units with T tap-off
Siemens LV 71 2005 3/35
LD Busbar Trunking System
3
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS3: Length 1430 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS3-T +LD-1G +LD-FLP
LD.....-AS3-T +LD-1H +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
3
450 600 605 750
PEN(N) L3(1)200 300
PEN(N) L3(1)200 400
(PE)
L3
PEN(N)L2
L1
NSV0_
00542a
NSV
0_
00580
PEN(N)L1
L2L3
(PE)
NSV0_
00544a
NSV0
_00580
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Selection and ordering dataAS4 connection/feeder units with T tap-off
Siemens LV 71 20053/36
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS4: Length 1930 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS4-1T +LD-1A +LD-FLP
LD.....-AS4-2T +LD-1B +LD-FLP
LD.....-AS4-1T +LD-1B +LD-FLP
LD.....-AS4-2T +LD-1A +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
4
450 600 605 750
PEN(N) L3(1)150 250
PEN(N) L3(1)250 350
(PE)
PEN(N)
L1L2
L3
NSV0_
00546
NSV
0_
00580
(PE)
PEN(N)L3
L2L1
NSV0_
00547
NSV0
_00581
(PE)
PEN(N)
L3L2
L1
NSV0_
00548
NSV0
_00580
(PE)
PEN(N)
L1L2
L3
NSV0_
00549
NSV0
_00581
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Selection and ordering dataAS4 connection/feeder units with T tap-off
Siemens LV 71 2005 3/37
LD Busbar Trunking System
3
Phase sequence
Transformer
and LD connection
Mounting position of
trunking units to be connected
Type
Type suffix
Phase sequenceTransformer andLD connection
Type suffix
Flange plate forenclosure ofdistribution board/transformer
Note:Values in brackets and dottedlines are only valid for the
5-conductor systemAS4: Length 1930 mm
Additionally, a VEG, VEV or VEHmust be engineered.
LD.....-AS4-1T +LD-1C +LD-FLP
LD.....-AS4-2T +LD-1D +LD-FLP
LD.....-AS4-1T +LD-1D +LD-FLP
LD.....-AS4-2T +LD-1C +LD-FLP
Note for lug clearance:
Lug clearances are adjustable on site: A larger clearance of the termi-nal lugs can be attained by turning the lugs. The lug clearances givenare valid for flexible ribbon conductors and copper bars with a widthof 120 mm.
Note for flange plate:
Flanging to enclosure of distribution board/transformer:With fitting a flange plate of aluminium (Type suffix+LD-FLP), the connection unit can be flanged to the enclosureof the distribution board/transformer.
Setting range of lug clearance [mm]
State of delivery Adjustable on
site to
4
450 600 605 750
PEN(N) L3(1)150 250
PEN(N) L3(1)250 350
(PE)
PEN(N)
L3L2
L1
NSV0_
00550
NSV
0_
00580
(PE)
PEN(N)L1
L2L3
NSV0_
00551
NSV0
_00581
(PE)
PEN(N)
L1L2
L3
NSV0_
00552
NSV0
_00580
(PE)
PEN(N)
L3L2
L1
NSV0_
00553
NSV0
_00581
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Selection and ordering dataIncoming cable connection units
Siemens LV 71 20053/38
LD Busbar Trunking System
Phase sequence
Transformer
and LD connection
Type Type suffix1)
Base plate of aluminiums
LD.....-KE1 +LD-BPAL
LD.....-KE2 +LD-BPAL
1) Note for cable entries:
For single-core cable entries, the type suffix Base plate of aluminium must be indicated.
Note:
N/PEN = 1/2 Lpossible with LDA 4(5)...
Rated current[A]
IP 31 IP 54 CodeNo.
Al Cu Al Cu
1100 900 1
1250 2000 1000 1600 2
1600 2600 1200 2100 3
2000 1600 4
2500 2000 5
Conductor material
Al A
Cu C
Version
4 4-conductor
6 5-conductor
N/PEN
1 1/2L
2 L
Degree of protection
3 IP31
5 IP54
Cable entries
System max. [mm2]
LDA 1, LDA 2 4 300
LDC 2, LDA 3, LDA 4 6
300LDC 3, LDA 5 8 300
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Selection and ordering dataFA 1 adapters for connection to non-Siemens distribution boards
Siemens LV 71 2005 3/39
LD Busbar Trunking System
3
Type
LD.....-FA1
Note:Screws, conical spring washers and threaded platesare incuded in the scope of supply.
Note for limit temperature:
When adapters for connection to non-Siemens distribution boards areused, it must be assured, that the admissible limit temperature of 100 Kfor the busbars, at an ambient temperature of 35 C im 24-h-Mittel, isnot exceeded.The rated current values given in the table are valid for a limit tempera-ture of 100 K.
Note for short-circuit strength:
The short-circuit strength of the connection units for non-Siemens distribution boards are determinated by the designof the terminal assemblies of the distribution system.
Note:N/PEN = 1/2L possible fromLD.4... to LD.8...
LDA LDC
Rated currentIeA
LDAsystem
CodeNo.
Rated currentIeA
LDCsystem
CodeNo.
1100 12
1250 2 2000 2 21600 3 3 2600 3 3
2000 45
2500 5
3000 67
3400 6 6
3700 7 4400 7 7
4000 8 8 5000 8 8
Conductor material
Al A
Cu C
Version
4 4-conductor
6 5-conductor
N/PEN
1 1/2L
2 L
Degree of protection
0 IP00
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Selection and ordering dataReduction units for horizontal and vertical installation
Siemens LV 71 20053/40
LD Busbar Trunking System
Degree of protection Length S
m
Rated current
A
Conductor cross-section
N/PEN of the
7/8/9-conductor system
Type
4-conductor-system
Type
5-conductor-system
LDA
for horizontal (vertical) installation
IP 31 1.2 1600 (1250) 1/2L LDA5413/LDA3423 LDA5613/LDA3623
L LDA5423/LDA3423 LDA5623/LDA3623
IP 54 1.2 1200 (1200) 1/2L LDA5415/LDA3425 LDA5615/LDA3625
L LDA5425/LDA3425 LDA5625/LDA3625
LDC
for horizontal (vertical) installation
IP 31 1.2 2600 (2100) 1/2L LDC7413/LDC3423 LDC7613/LDC3623
L LDC7423/LDC3423 LDC7623/LDC3623
IP 54 1.2 2000 (2000) 1/2L LDC7415/LDC3425 LDC7615/LDC3625
L LDC7425/LDC3425 LDC7625/LDC3625
Complete ordering details:
Example: LDC7423/LDC3423
S
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Selection and ordering dataTap-off units with GSTA fuse switch disconnectors
Siemens LV 71 2005 3/41
LD Busbar Trunking System
3
Type Type suffix
LD-K-.AK./....... see next page
Equipment features: Fuse switch-disconnector with virtually instantaneous switching (3-pole version)
sizes NH 00, 2xNH 00, NH 1, NH2, NH3 Can be fitted/removed while the system is live Degree of protection IP30 as standard, IP54 with type suffix
Cable entry for multi-core or single-core cables (Type suffix always equired) Cable entry at the end (standard), at the side as a type suffix Electrical interlock and trip indication (on request) Current measurement (on request)
Note:
1) 630 A when using fuse l inks of make Jean-Mller, Type M3 gL 630/69,Article No. N306900
Examples for complete ordering details:
LD-K-1AK4/3ST250 +LD-MLLD-K-1AK4/3ST250 +LD-ML +LD-IP54
Version
4 4-conductor
5 5-conductor
Rated current le[A]
Ue= 400 V Ue= 690 V
IP 30 IP 54 IP 30 IP 54
31ST125 1 125 1 125 1 100 1 100
32ST125 2 125 2 100 2 100 2 100
3ST250 1 250 1 200 1 200 1 200
3ST400 1 400 1 315 1 315 1 315
3ST630 1 630 1 500 1 500 (630)1) 1 500
LD system Code No.
LDA 1... to LDA 3...LDC 2... to LDC 3...
1
LDA 4.1. to LDA 8.1.LDC 6.1. to LDC 8.1.
2
LDA 4.2. to LDA 8.2.LDC 6.2. to LDC 8.2.
3
LD-K-.AK./.......
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Selection and ordering dataTap-off units with GSTA fuse switch disconnectors
Siemens LV 71 20053/42
LD Busbar Trunking System
Type Type suffix
Type suffixes
Cable entry
Multi-core LD-K-.AK./....... +LD-ML
Single-core 1) LD-K-.AK./....... +LD-EL
Cable entry at the side
(additional cabling box)
LD-K-.AK./....... +BD2-800-KR
Degree of protection IP54
LD-K-.AK./....... +LD-IP54
Accessory box for loose spacersfor the respective tap-off point2)
LD-K-.AK./....... +LD-DS
Note:
1) Aluminium plate, not drilled2) For storing the loose spacers for the respective tap-off point.
Examples for complete ordering details:
LD-K-1AK4/3ST250 +LD-MLLD-K-1AK4/3ST250 +LD-ML +LD-IP54
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Selection and ordering dataTap-off units with GSTZ fuse switch disconnectors
Siemens LV 71 2005 3/43
LD Busbar Trunking System
3
Type Type suffix
LD-K-.AK./GSTZ.
Equipment features: Rated current 400 A and 630 A Fuse switch-disconnectors (GSTZ) sizes NH 2, NH 3 (3-pole version) Can be fitted/removed while the system is live Degree of protection IP30 as standard, IP54 as a type suffix Cable entry for multi-core or single-core cables
(Type suffix always required) Cable entry at the end or side
Cable entry
Multi-core +LD-AB4
Single-core2),
1 cable per phase
+LD-AB7
Single-core2),2 cables per phase
+LD-AB8
Degree of protection IP54, with door
Door hinged onthe left
+LD-TL2
Door hinged onthe right
+LD-TR2
Note:
1) 630 A when using fuse l inks of make Jean-Mller, Type M3 gL 630/69,Article No. N306900.
2) Aluminium plate, drilled, with PG glands(see Technical Data).
Examples for complete ordering details:
LD-K-1AK4/GSTZ2 +LD-AB4LD-K-1AK4/GSTZ2 +LD-AB4 +LD-TR2
LD system Code No.
LDA 1... to LDA 3...LDC 2... to LDC 3...
1
LDA 4.1. to LDA 8.1.LDC 6.1. to LDC 8.1.
2
LDA 4.2. to LDA 8.2.LDC 6.2. to LDC 8.2.
3
Version
4 4-conductor
5 5-conductor
Rated current le[A]
Ue= 400 V Ue= 690 V
2 400 315
3 630 500 (630) 1)
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Selection and ordering dataTap-off units up to 570 A with circuit-breaker
Siemens LV 71 20053/44
LD Busbar Trunking System
(Type suffix always required)
Type Type suffix
Circuit-breaker with handle LD-K-.AK./LSH . . . H-.
Circuit-breaker with motor drive LD-K-.AK./LSM . . . H-.
Equipment features: Circuit-breaker (3- and 4-pole version), H version (high capacity) Can be fitted/removed while the system is live Degree of protection IP54 as standard Cable entry for multi-core or single-core cables at the side Standard auxiliary contact and trip-indicating auxiliary contact as standard Control connections wired to terminal Handle (black) for manual drive External power supply AC 220 ... 240 V, 50/60 Hz for motor drive
Type suffixes for tap-off units
Releases Circuit-breaker version
Undervoltage release up to 250 A +U-NZM 7 (220 240 V AC)
400 ... 570 A +U-NZM 10 (220 240 V AC)
Shunt release up to 250 A +A-NZM 7 (220 240 V AC)
400 ... 570 A +A-NZM 10 (220 240 V AC)
NEW: Standard tap-off units with Siemens circuit-breakers.Units up to 630 A will be published in the next catalog version (2006),as product development and tests have not yet been completed.For preliminary solutions, please contact your product managers.
Version
4 4-conductor
5 5-conductor
Rated current le
80 80 A
100 100 A
125 125 A
160 160 A
200 200 A
250 250 A
400 400 A
570 570 A
Circuit-breaker
3 3-pole
4 4-pole
LD system Code No.
LDA 1... to LDA 3...LDC 2... to LDC 3...
1
LDA 4.1. to LDA 8.1.LDC 6.1. to LDC 8.1.
2
LDA 4.2. to LDA 8.2.LDC 6.2. to LDC 8.2.
3
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Selection and ordering dataTap-off units from 800 to 1250 A with circuit-breaker
Siemens LV 71 2005 3/45
LD Busbar Trunking System
3
1) Aluminium plate not drilled, cable glands not included in the scope of supply.
Type Type suffix
Circuit-breaker with handle LD-K-.AK./LSH-. . . . . -LS
Circuit-breaker with motor drive LD-K-.AK./LSM-. . . . . -LS
Equipment features: Circuit-breaker (3- and 4-pole version) for system protection, L version (100 kA) Can be fitted/removed while the system is live Degree of protection IP54 as standard Cable entry for multi-core or single-core cables1)at the side With adjustable overload release and fixed-set short-circuit-release 4-pole circuit-breakers without overload and short-circuit-release
in the N -conductor with two auxiliary switches (1 NO + 1 NC) and an alarm switch (1 NO) Control connections wired to terminal Handle (black) for manual drive External power supply AC 220 ... 250 V, 50/60 Hz for motor drive
Type suffixes for tap-off units
Auxiliary releases Version
Undervoltage release AC 220 ... 250 V +2H
Shunt release AC 208 ... 277 V +8T
Version
4 4-conductor
5 5-conductor
Circuit-breaker
AE 3-pole
BE 4-pole
Rated current le
at Ue= AC 400 V
800 800 A
1000 1000 A
1250 1250 A
LD system Code No.
LDA 1... to LDA 3...LDC 2... to LDC 3...
1
LDA 4.1. to LDA 8.1.LDC 6.1. to LDC 8.1.
2
LDA 4.2. to LDA 8.2.LDC 6.2. to LDC 8.2.
3
NSV0
_0058
2
NSV0
_00583
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Selection and ordering dataAccessories for horizontal und vertical installation
Siemens LV 71 20053/46
LD Busbar Trunking System
Length
m
for system Number of
loose spacers
supplied
Type
End flanges with hooks
0.325 LD.142. to LD.342. 4 LD-1EF4-H
LD.162. to LD.362. 5 LD-1EF6-H
LD.441. to LD.841. 7 LD-2EF4-H
LD.461. to LD.861. 8 LD-2EF6-H
LD.442. to LD.842. 8 LD-3EF4-H
LD.462. to LD.862. 9 LD-3EF6-H
End flanges with bolts
0.325 LD.142. to LD.342. LD-1EF4-B
LD.162. to LD.362. LD-1EF6-B
LD.441. to LD.841. LD-2EF4-B
LD.461. to LD.861. LD-2EF6-B
LD.442. to LD.842. LD-3EF4-B
LD.462. to LD.862. LD-3EF6-B
Distribution board blank plate
0.325 LD.1 to LD.3 LD-VE-BF1
LD.4 to LD.8 LD-VE-BF2
Protective sleeves
0.25 LD.1 to LD.3 LD-DF1
LD.4 to LD.8 LD-DF2
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Selection and ordering dataAccessories for horizontal und vertical installation
Siemens LV 71 2005 3/47
LD Busbar Trunking System
3
Length
m
for system Number of
loose spacers
supplied
Type
Suspension bracket for horizontal suspension
LD.1 to LD.3 LD-B1
LD.4 to LD.8 LD-B2
Fixing bracket for vertical fixing
LD.1 to LD.8 LD-BV
Torque spanner
LD.1 to LD.8 LD-DR
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Technical Data
LDA.4.. Trunking Units
Siemens LV 71 20053/48
LD Busbar Trunking System
SiemensLV71 2005CatalogLV71 EN,Chapter 3,Part 1
Type LDA.4.. system (4-conductor system)
Standards and Regulations IEC 60439-1 and -2,EN 60439-1 and -2 (VDE 0660 Part 500 and Part 502),NF C 63-410 and -411,BS 5486 Part 1 and 2,SEV/ASE 3625-1 and 2
Climatic Proofing Damp heat, constant, toIEC 60068-2-78Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature, min./max./mean level over 24 hours C 5/+40/+35
Degree of protection
ventilated (horizontal busbar edgewise) IP34
enclosed IP54
Standard mounting position Busbars edgewise in the system
Torque for single-bolt clamp terminal Nm 80
Busbar surface treatment Insulation-plated, nickel-plated and tinnedover the entire length
Material of trunking units, tap-off units Powder spray paint finished steel enclosure
Color of trunking units, tap-off units RAL 7035 (light grey)
Dimensions See Dimension drawings, page 3/118
Weight See page 3/64
Rated insulation voltage V~ 1000
to EN 60664-1 (VDE 0110 Part 1) V 1200
Overvoltage category/pollution degree
to EN 60947 III/3
for power transmission to EN 60947 IV/3
Rated operational voltage
with vervoltage category III/3 V~ 1000
with vervoltage category IV/3 V~ 690
Rated frequency Hz 16 2/3... 60
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Technical Data
LDA.4.. Trunking Units
Siemens LV 71 2005 3/49
LD Busbar Trunking System
3
System-dependent data LDA 142.
PEN = L
LDA 242.
PEN = L
LDA 342.
PEN = L
LDA 441.
PEN = L
LDA 442.
PEN = L
LDA 541.
PEN = L
LDA 542.
PEN = L
Rated current Ie1)
horizontal/edgewise2) IP34 Ie A 1100 1250 1600 2000 2000 2500 2500
IP54 Ie A 900 1000 1200 1500 1500 1800 1800
vertical IP34 Ie A 950 1100 1250 1700 1700 2100 2100
IP54 Ie A 900 1000 1200 1500 1500 1800 1800
horizontal/flat IP31/IP54 Ie A 700 750 1000 1200 1200 1700 1700
Impedance
of the conductorsat 50 Hz and +20 Cbusbar temperature
Resistance R'20 m/m 0.073 0.047 0.047 0.037 0.037 0.023 0.024
Reactance X'20 m/m 0.045 0.043 0.043 0.025 0.030 0.023 0.030
Impedan