t high-speed dc circuit-breakers for dual voltage 1.5 / 3 ... · both ur26dv and ur40dv are dc high...

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Title COMPONENTS COMPONENTS High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3.0 kV DC Type UR26DV & UR40DV

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Page 1: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

Title

C O M P O N E N T SC O M P O N E N T S

High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3.0 kVDCType UR26DV & UR40DV

Page 2: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

2

MAIN BENEFITSMAIN BENEFITS

Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the worldwide proven UR26..40 breaker’s family, the UR26DV and UR40DV are designed to be used on Dual Voltage (DV) vehicles running on 1’500 VDC and 3’000 VDC networks. They are trip free, single pole, bi-directional and equipped with electromagnetic blow-out, electric control circuits and direct over-current instantaneous release.

With their simple design and high insulation level, the UR26DV and UR40DV offer a very high reliability as well as an exceptionally long lifetime.

To guarantee a safe and optimized installation of its circuit-breakers in different environments, Sécheron offers a large range of standard and customized solutions.

Circuit-breakers types UR26DV and UR40DV can be delivered with an insulating housing for indoor installation, or in a polyester protective enclosure for outdoor use (UR26DV).

DC MODBOX® is a modular platform where the DC circuit-breaker is integrated alone or with other high and low voltage components (voltage and current sensors…) in a light and compact metal box. This way, rolling stock manufacturers can be supplied with a fully tested “Plug & Play” unit, easy to install and highly valuable for project management and logistics (for more details refer to brochure SG580044BEN).

With its proven worldwide experience and acceptance, Sécheron’s circuit-breaker is the key product to guarantee the highest safety to rolling stock material and to the people operating or using it.

IEC-60077

Id

Îd

Iss

0.63 Iss

Ut

ttm

I

tb

Îss

di/dt

T

Ûarc

Ue

20tm

t l

[ms]18

[ms]

16

14

12

10

8

6

4

2

03.105 5 7 53 37106 107

di/dt [A/s]

UR26DV

UR40DV

10

8

6

4

2

03.105 5 7 53 37106 107

di/dt [A/s]

UR60/80

- Integration of voltage selector switch on the UR breaker to configure it for 1.5 kVDC or 3 kVDC.

- High rated short circuit making and breaking capacity. - Limited overvoltage during current interruption. - Safe with a high insulation level. - Simple design with few moving parts resulting in high reliability. - Very low maintenance requirements with high electrical and mechanical endurances. - Large number of options to match the various application requirements. - Proven design with worldwide experience and acceptance.

• Rated operational voltage 1’800 VDC and 3’600 VDC

• Conventional free air thermal current: 2’300 A (UR26DV) and 3’500 A (UR40DV)• Electro-magnetic closing with electric holding • Five double contacts auxiliary switches • Reference standards: EN/IEC 60077-1/3, IEC 61373, EN 45545

Relationship between opening time tm and the initial rate of rise of current di/dt for direct instantaneous over-current release.

Example for a di/dt of 3.106 A/s: - For UR26DV: tm ~ 4.3 ms

Note: For a shorter opening time on low di/dt, the “indirect release” (shunt trip) option can be used (refer to “Options” section page 5).

Iss = Short-circuit currentÎss = Peak of IssId = Setting of over-current releaseÎd = Cut-off currentdi/dt = Initial current rate of riseT = Circuit time constantUe = Rated operational voltageÛarc = Peak of the arc voltagetm = Opening timetb = Total break time

GENERAL INFORMATION

MAIN FEATURES

BREAKING CURRENT PARAMETERS

/// OPENING TIME Tm

Page 3: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

3

Rated operational voltage Ue [VDC] 1’800/3’600 1’800/3’600

Rated insulation voltage Ui [VDC] 4’800 4’800

Conventional free air thermal current (1) Ith [A] 2’300 3’500

Rated operational current Ie [A] 2’600 3’500

Operational frequency C3 C3

Rated power-frequency withstand voltage (50 Hz, 1 min)- Between open main contacts- Between closed main contact and earth & control circuit- Between low voltage circuits and earth

U50[kV][kV][kV]

15152

15152

Rated impulse withstand voltage (1.2/50 μs) Uimp [kVDC] 30 30Rated short-circuit making & breaking capacity / Time constant (2) - For rated voltage 1’800 VDC ÎSS/ISS/T1

ISS/T2ISS/T3ISS/T4

[kA]/[ms][kA]/[ms][kA]/[ms][kA]/[ms]

75/50/050/1550/4020/100

80/56/080/1575/4020/100

- For rated voltage 3’600 VDC ÎSS/ISS/T1ISS/T2ISS/T3ISS/T4

[kA]/[ms][kA]/[ms][kA]/[ms][kA]/[ms]

57/40/030/1530/3030/50

70/50/035/1535/3035/50

Direct over-current instantaneous release [kA][kA]

1.4 - 2.72.0 - 5.0

2.0 - 5.04.0 - 10.0

Maximum arc voltage- For rated voltage 1800 VDC [kV] ≤ 4.0 ≤ 4.0- For rated voltage 3600 VDC [kV] ≤ 8.0 ≤ 8.0

Nominal voltage Un [VDC] 110 (5)

Range of voltage [0.7 - 1.25] Un

Nominal closing power (3) DC circuit-breaker Pc [W]/[s] 1’300/1

Nominal holding power (3) DC circuit-breaker [W] 2.3Mechanical opening time (3)(4) DC circuit-breaker to [ms] 15 - 30Mechanical closing time (3)(4) DC circuit-breaker tc [ms] ~ 150Nominal switching power / time Voltage selector switch [W]/[s] 380/1

Auxiliary contactsType of contacts Change-over (CO)Number of auxiliary contacts for: DC circuit breaker Voltage selector switch

5a + 5b2a + 2b

Rated voltage [VDC] 24 to 110Conventional thermal current [A] 10Switching categories according to EN60947 AC-15 230 VAC 1.0 A

DC-13 110 VDC 0.5 AMinimum let-through current at 24 VDC

(6) [mA] ≥ 10 (silver contacts) or 4 ≤ I < 10 (gold contacts)

Low voltage interfaceConnector type VEAM 30 pins (7)

Symbol Unit UR26DV UR40DVMAIN HIGH VOLTAGE CIRCUIT

LOW VOLTAGE AUXILIARY CIRCUIT

OPERATING CONDITIONS

(1) At Tamb = +40°C(2) The values given for UR26DV refer to circuit-breaker installed in protective enclosure. For higher values please contact Sécheron.

Control circuit for circuit breaker and voltage selector switch

Installation Indoor or outdoor (8)

Working ambient temperature (9) Tamb [°C] -25 to +40Humidity 95 % at 40°CPollution degree PD3

Minimum mechanical durability N [Operations] 4 x 50’000 8 x 25’000(8) Outdoor with optional protection enclosure or in DC MODBOX® (refer to page 6 and 7).(9) For -50°C ≤ Tamb < -25°C a special configuration of DC circuit-breaker can be delivered by Sécheron on request.

(3) At Un and Tamb = +20°C. (4) When signal is received by the coil.(5) For other values, please contact Sécheron.

(6) For a dry and clean environment.

DATA FOR PRODUCT SELECTION

(7) For Harting type connector, please contact Sécheron.

Page 4: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

4

Minimum insulating distances (1) [mm]To insulating wall A 45 B 125 C 130

Start of the closing pulse: F + G Contacts close

Closing pulse: 0.5 to 1 s

Start of the holding current: G Contact opens

Holding: R1 resistance limits the holding current to 5% of the closing current

Opening: F Contact opens to provoke the interruption of the holding current

~ 5%

100%

0 0,5 1

t [s]

EB CA

DIe

(1) Approximate weight for standard circuit-breakers with no option, including maintenance arc chute lifting mechanism.

UR26DV UR40DV

Weights (1) [±3 Kg] 170 190

HV connectors

40 25

2550

25

4x Ø14HV connectors

456456486486

1035

1035

456456486486

1035

1035

480480240240

480480240240

275 320

4x Ø

13.555

365

4x Ø

11

644

20

140140

95959595

160

160

B

49.549.5676676320

320

665

665

700700

450

450

210

210

AA

761

320 176247

194

38695

100

30

146

23

270160

55

378

B

140275 320

486

4x Ø

13.5

9520

160

1035

644300204

724

370

100

27

60

186

9530

150

1035

760300 256 204

724

370

100

27

365456

480480240240

676676320

320

665

665

70070045

045

021

021

0

676676320

320

665

665

700700

450

450

210

210

419 (81)

617 (82)238

A AB B

C78

4

240 A A

C B B B B 700240

1030

240C B B B B A A700240

1035

1030

C 240C B B

1030

A A700

(1) At maximum short-circuit breaking capacity. For other installation conditions, contact Sécheron.

Note: For insulating distances to earth, contact Sécheron.

F, G: ContactsS: Automatic circuit-breakerR1: Resistor to be inserted in the holding circuit; the power to be

considered for the resistor choice is 220 W (4x55 W)RUR: DC HSCB resistor

Ie

~ 20%

100%

0

0

0,5 1 tc tc+1tc+0.5

t [s]

D

FE

BA

C

SV=+

Rp

Rs

+

~ 5%

100%

0 0,5 1

t [s]

SV=

R1

E

F

G

B CA

DIe

E

B

C

A

D

FE

SV=+

Rs

Maintien magnétique pour UR60/80(maintien électrique idem que UR26-36-40-46)

UR26/36/40/46

UR60/80

Customer scope

Ie

~ 20%

100%

0

0

0,5 1 tc tc+1tc+0.5

t [s]

D

FE

BA

C

SV=+

Rp

Rs

+

~ 5%

100%

0 0,5 1

t [s]

SV=

R1

E

F

G

B CA

DIe

E

B

C

A

D

FE

SV=+

Rs

Maintien magnétique pour UR60/80(maintien électrique idem que UR26-36-40-46)

UR26/36/40/46

UR60/80

Sécheron scope (DC HSCB control coil)

4x Ø14

40 25

25

5

5025

A

40 25

2550

25

4x Ø14

B

Ie

~ 20%

100%

0

0

0,5 1 tc tc+1tc+0.5

t [s]

DBA

C

+

~ 5%

100%

0 0,5 1

t [s]

SV=

R1

E

F

G

B CA

DIe

E

B

C

A

D

SV=+

Rs

Maintien magnétique pour UR60/80(maintien électrique idem que UR26-36-40-46)

UR60/80

UR26/40/46

Rs

RpF1

F2 E2

E1

SV=

+

E1

E2

F1

F2

Rs

RpF1

F2 E2

E1

SV=

+

UR26/40/46/60/80

RUR

• The circuit-breaker remains closed with a reduced ‘’holding’’ current. To open the circuit-breaker the holding current is cut-off.

• With E-type closing device, the circuit-breaker cannot remain closed if the low voltage supply is lost.

Dimensions without tolerances are indicative. All dimensions are in mm. Maximum allowed flatness deviation of the support frame is 0.5 mm.

MAIN DIMENSIONS

UR26DV UR40DV

INSULATION DISTANCES

LOW VOLTAGE CONTROL SCHEME/// ELECTRIC HOLDING

Page 5: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

5

DC HSCB - UR Type Voltage selector switch

Closing coil characteristics

Closing pulse 0.5 to 1 s E type holding Closing pulse

0.5 to 1 s

Unom Inom Imin E Imax R1nom Inom Imin Imax Inom Imin Imax

[VDC] [A] [A] [A] [Ω] [A] [A] [A] [A] [A] [A]

110 11.7 6.3 19.9 210 0.5 0.4 0.6 3.4 1.9 5.4

VEAM type 30 pins

Auxiliary switchesFixed

connectortype

Mobile connector

Number of pin

Cablegland

Sécheron’snumber

ConnectorDevice

NumberType

Size2.5 mm²

Size1.5 mm²circuit

breakervoltageselector

UR26DVUR40DV 5a+5b CO

VEAMtype 30

pins2 28

Ø25to

Ø34SG100025R2

LOW VOLTAGE WIRING DIAGRAM FOR VEAM 30 CONNECTOR TYPE (STANDARD)

Notes: Low voltage connectors are delivered with all pins mounted. The voltage selector switch is represented in 3.6 kV position.

MOBILE CONNECTOR

INDIRECT RELEASE

The wiring scheme below represents the low voltage connector pin assignments

The indirect release enables to shorten the breaker’s opening time tI down to about 4ms, whatever the di/dt conditions ( see graph page 2 ), when required by specific applications.

The indirect release BI 24 is triggered by the control unit type CID-3 (not included with the circuit-breaker - to be ordered separately - refer to CID3 brochure SG101783B...)

Note: for components selection of the control circuit, the following criteria shall apply for the DC HSCB closing coil:Unom = RxInom for Tamb = +20°C Umin = RxImin for Tamb = - 25°C Umax = RxImax for Tamb = +40°C

(R=Resistance)

11 9

12 8

7 5 3 1

4

15

16

1319

20 10 6 21418

17

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22

23

24(1)

(1)

ab de

Standard: xxxx

9 8 5

7 4

6 23

1

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10

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13

14U

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2324 I

2324 I

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27

2826

25 31

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29 27

2826

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(WI) (I>) (WI)Standard: xxxx

Type : COL J U

K V

W XZ

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H

G

FD

C

BU

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A E

Volta

ge s

elec

tor

switc

hD

C c

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t-br

eake

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BrochureANSI

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(I >)

313230 29

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27

2826 25

31

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Légende

11 9

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16

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17

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21

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(WI)19

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9 8 5

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29 27

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25

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Standard: xxxx

Type : PF Type : CO

9 8 5

7 4

6 23

1

12

10

1115

13

1421

22

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11 9

12 8

7 5 3 1

4

15

16

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a b a b

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Légende

11 9

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21

22

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9 8 5

7 4

6 23

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10

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Standard: xxxxx

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Circuit-breacker main contacts

Closing coil

1a+1b - Switch CO HA

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a b a b Direct overcurrent release

OPTIONS (SUBJECT TO ADDITIONAL COSTS)

/// BI 24

/// TYPICAL VALUE FOR CLOSING COIL

Page 6: T High-Speed DC Circuit-Breakers for Dual Voltage 1.5 / 3 ... · Both UR26DV and UR40DV are DC high speed, current limiting, circuit-breakers, with natural cooling. Adapted from the

6

MAIN BENEFITSMAIN BENEFITS

Nominal voltage (electric holding only) (1) Un/UEF [VDC] 110Range of voltage [ 0.7 - 1.25 ] Un

Idle (standby) power [W] <1.6

Nominal closing power (3) Pc [W]/[s] 1’300/1

Nominal holding power for electric holding (3) [W] <8

Nominal opening power for electric holding (3) [W] <1.6

Mechanical opening time on opening order (4) [ms] 15 - 30

Mechanical closing time on closing order (3)(4) Tc [ms] ~150

(1) Control voltage UEF and supply voltage Un can be different (2) Currently under development

(3) At Un and Tamb = +20°C(4) Starting when the signal is received by the coil

Sécheron proposes 3 different concepts to integrate the UR26DV / UR40DV circuit-breakers in vehicles:• Complete Plug & Play polyester enclosure, in which the DC circuit-breaker is installed, and which offers an IP54 protection index. It is

intended for EMUs and trains outdoor roof mounting (including high speed trains). UR26DV• Insulation housing with protection index IP00, delivered as an option separately from the breaker. It enables the car-builder to build its own

metal enclosure and/or container with reduced dimensions, in which the DC circuit-breaker with its insulation housing will be installed. This type is mostly used for locomotives and trains. UR26DV/UR40DV

• Complete Plug & Play metal enclosure (DC MODBOX® program), in which the DC circuit-breaker is installed with other functions, such as current & voltage measurements. DC MODBOX® offers an IP56 protection index for outdoor roof mounting. This type is mostly used for trains and high-speed trains, as well as for applications with severe operational environments (cold and icy, dusty or sandy environment): UR26DV

This enclosure can be directly mounted on the vehicle’s roof.

May your need deviates from the above standard specifications, please contact Sécheron with your particular requirements.

ECO-Drive is a compact control module integrated with UR circuit-breakers, to manage closing-holding sequences with electric control. ECO-Drive is set on the UR breaker’s closing device.

Note: the integrattion of Eco-Drive option require to change the VEAM connector to Harting connector.

496

9001508

This option offers to system integrators the following advantages:

- No need of additional hardware to control the breaker

- Compact integration

- Reduction of overall installation costs

- Reduction of operational costs with lower power consumption

- Reduction of the risks to damage the closing coil

- Full compliance with EN50121-3-2 standards for EMC

- Full compliance with EN50155 § 5.1.1.2 class S2 (short interruption of voltage supply)

- Full compliance with EN50155 § 5.1.3 class C1 (supply change over)

ECO-Drive

Valid for UR26DVEnclosure material Insulation materialEnclosure colour Blue grey RAL 7031Enclosure thickness 6 mmProtection index IP IP54Opening of the box cover On low voltage connector sideMaximum breaking capacity Available on requestInsulation distance around the enclosure Available on request

High voltage cable interface 1 cable plate with 4 cable glands M32x1.5Note: plate is located on LV connector side

Low voltage cable interface Harting HAN® 32 EE connector on enclosure

UR26DV64 TCPRoof mounting ( IP 54)

ECO-DRIVE INTEGRATED CONTROL MODULE

/// Control circuit technical data

CONCEPT FOR INTEGRATION ON VEHICLES

/// PLUG & PLAY ROOF-MOUNTED POLYESTER ENCLOSURE

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7

The insulation housings have to be ordered additionally to the DC circuit-breaker (see page 8).

For horizontal underframe mountingThis housing is designed to minimize the necessary insulation clearance distances against earth, when the circuit-breaker is integrated in the car builder’s own metal enclosure.

For vertical indoor mountingThe purpose of this housing is to minimize the necessary insulation clearance distances against earth, when the circuit-breaker is integrated in the car builder’s own metal enclosure/container.

The DC MODBOX® is a compact metal clad, “plug and play’’, project-based solution, featuring several high voltage DC components located

around the DC circuit-breaker.

Built on a standard platform of rolling-stock-dedicated aluminium enclosure and standard proven high voltage DC components,

The DC MODBOX® can be, to a certain extent, adapted to the application requirements. Typically electric schemes, integrated

components, as well as both high- and low-voltage interfaces can be customized.

With its limited height (535 mm) and a shape designed to match aerodynamic constraints, The DC MODBOX® bring efficient

solutions to solve constraints related to roof space, insulation and speed. Moreover it allows the high voltage DC components to

operate protected from the most severe environmental conditions. Moreover the DC MODBOX® simplifies project management,

logistics, and installation tasks for the car builder.

To evaluate the DC MODBOX® solution that best suits your project, please contact Sécheron.

Valid for UR26DV

Enclosure material Insulation material

Enclosure colour Beige RAL 1013

Enclosure thickness 4 mm

Protection Inde IP IP00

Opening of the box Knurled knobs

Maximum breaking capacity Available on request

Insulation distance around the enclosure

Available on request

Interface for high voltage cables

Enclosure opening for cable connection on circuit-breaker

Interface for low voltage cable Direct connection on circuit-breaker’s connector

900

1767

545

525

977

998

500 816

1524

1500770

470

To be mountedon customer box

UR26DV64TCSUnderframe mounting( IP 00)

Valid for UR26DV / UR40DV

Enclosure material Insulation material

Enclosure colour Beige RAL 1013

Enclosure thickness 5 mm

Protection Index IP IP00

Opening of the box Knurled knobs

Maximum breaking capacity available on request

Available on request

Insulation distance around the enclosure

Available on request

Interface for high voltage cable

Enclosure opening for cable connection on circuit-breaker

Interface for low voltage cable Direct connection on circuit-breaker’s connect

UR26DV64 / UR40DV64Indoor mounting (IP00)

503800

1160

/// INTEGRATED HIGH-VOLTAGE DC MODBOX®

/// INSULATION HOUSINGS

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Copyright© 2017 Sécheron SA

This document is not contractual and contains information corresponding to the level of technology at the date of printing. Sécheron reserves the right to modify and/or improve the product, whose characteristics are described in these documents, as required by new technology at any time. It is the purchaser’s responsibility to inform himself, no matter what the circumstances, of the product’s maintenance conditions and requirements. Sécheron reserves all rights, especially those arising from our “General Delivery Conditions”.

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Sécheron SA Rue du Pré-Bouvier 251242 Satigny - GenevaCH-Switzerland

Tel: +41 22 739 41 11Fax: +41 22 739 48 [email protected]

Place and date: Name: Signature:

• Be sure to establish the designation code from our latest version of the brochure by downloading it from our website “www.secheron.com”.

• Be careful to write down the complete alphanumerical designation code with 17 characters when placing your order.• For technical reasons some variants and options indicated in the designation code might not be combined.• The bold part of this designation code defines the device type as it is displayed on the identification plate attached to the product.• For other configurations not described in this brochure, please contact Sécheron.

Line Description Designation Standard Options Customer’s choice

10 Product type UR UR UR

11 Conventional free-air thermal current 2600 A 26 4000 A 4012 Rated operational voltage 1800 / 3600 VDC DV64 64

13 Application Rolling stock T T14 Mounting position Vertical D Horizontal C15 Breaker execution Vertical indoor mounting (1) Horizontal roof mounting with polyester enclosure P Horizontal under-frame mounting with additional insulation housing (2) S16 Nominal control voltage (for other voltage, please contact Sécheron) 110 VDC E

17 Varistor on coil (3) No Yes (battery voltage) 118 Direct over-current release UR26 1.4 - 2.7 kA A UR26/40 2.0 - 5.0 kA B UR40 4 - 10 kA G19 Indirect release No BI24 120 Auxiliary contacts (4) 5a + 5b / 2a + 2b — (Switch PF) — Silver type A 5a + 5b / 2a + 2b — (Switch PF) — Gold type C21 LV connector type on circuit-breaker VEAM 30 (5) F22 ECO-Drive control module No Yes (6) 4

Material to be ordered separately:– Insulation housing (refer to page 7):Insulation housing for vertical indoor mounting: SG104420R.....Insulation housing for UR26-64TCS: SG102006R.....– Low Voltage mobile connector (refer to page 5):

None VEAM 30 pins SG100025R2

Value of the setting of the direct over-current release: ........................... [A]

Example of customer’s choice: UR 26 DV64 T D E B A F Line: 10 11 12 13 14 15 16 17 18 19 20 21 22

(1) The additional insulation housing for the vertical indoor execution must be ordered separately (section below)(2) The insulation housing for the breaker’s execution UR26-64TCS must be ordered separately (section below)(3) In case control type “ECO-Drive” is selected (line 22), select “No” for Varistor on Coil (line 17)(4) 5a + 5b for circuit breaker / 2a + 2b for voltage selector switch. Based on the selected breaker’s configuration,

the number of available auxiliary switches might be reduced(5) For Harting connector type, please contact Sécheron(6) Valid only with nominal control voltage (line 16) 110VDC

DESIGNATION CODE FOR ORDERING

DESIGNATION CODE