mk300a mk300ea - thegioidien.com - earth leakage relay.pdf · mk300a mk300ea technical data...

MK300AMK300EA

Technical Data

AUXILIARY SUPPLYModelMK300A/300EA-230A :184~276VACModelMK300A/300EA-110A :94~127VACRated frequency : 50 HzVA rating : 3 VA typical

SETTINGSensitivity adjustment : 30mA, 50mA,

0.10~1.00A(Step=50mA) 1.00~10.0A (Step=1.00A)

Time delay adjustment : Instantaneous, 0.1~3.0sec (Step=0.1s)

PERFORMANCESettingaccuracy : -15%to+0%Timing accuracy : ±5%

RECORDFault record : 3 latest tripped fault

currents or “tSt” for manual test trip

Storage :Non-volatilememory

INPUT Remote Reset : N.O. dry contact *

OUTPUTS Tripcontact :Activatedduringleakage

trip, manual test trip or ZCT connection error

Positive safety contact*:Activatedwhenpower-up and relay function correctly

Alarm contact* : Activated when measuredleakagecurrent exceeded 50% of IΔn.

OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 A (NO)

3 A (NC)Expected electrical life : 100,000 operations at

rated currentExpected mechanical life : 5 x 106 operations

INDICATORSPre-faultalarm :Redindicator

(Normalblink)Time delay : Red indicator

(Fastblink)Leakagetrip : 7-segmentdisplay

and red indicatorZCTconnectionerror : 7-segmentdisplay

and red indicatorReal-timeleakagecurrent: 7-segmentdisplay

ZERO - PHASE CURRENT TRANSFORMERTooperatewithMikro’sZCTseriesofcurrenttransformer

MECHANICALMounting : Panel mountingDimension (mm) : 96(w) x 96(h) x 90(d)Enclosure protection : IP54 at the panelApproximateweight : 0.4kg(excludingZCT)

Features for MK 300A / 300EA

• Numericalearthleakagerelay

• Programmable current sensitivity and time delay

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator

• Real-timeleakagecurrentdisplay

• 50%pre-faultindicator

• Leakagefaultcurrentrecording

• Standard DIN 96x96mm panel mounting

• Protected against nuisance tripping

Features for MK 300EA only

• Positivesafetyoutputcontact

• Pre-faultalarmcontact

• Remoteresetfunction

Earth Leakage RelayM

K 300A / 300EA

MK 300EA

MK 300A

Earth Leakage Relay

TRIPCONTACT

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

LOAD

SHUNTTRIP

L1 L2 L3 N PE

MIKROZCT

MK300A

COMNONC

The EARTH wire must not pass through the ZCT

Typical Application Diagram For MK300A

Typical Application Diagram For MK300EA

TRIPCONTACT

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

POSITIVE SAFETY CONTACT

LOAD

COM

L1 L2 L3 N PE

MK300EA

ALARMCONTACT

REMOTE RESET

CONTACTOR

MIKROZCT

NONCCOMNONC COMNO


Ordering Information

MK300A-230A For50Hzsystem,auxiliaryvoltage184~276VACMK300EA-230A For50Hzsystem,auxiliaryvoltage184~276VACMK300A-110A For50Hzsystem,auxiliaryvoltage94~127VACMK300EA-110A For50Hzsystem,auxiliaryvoltage94~127VACMK300A-230A6 For60Hzsystem,auxiliaryvoltage184~276VACMK300EA-230A6 For60Hzsystem,auxiliaryvoltage184~276VACMK300A-110A6 For60Hzsystem,auxiliaryvoltage94~127VACMK300EA-110A6 For60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Case Dimensions

MK 300A / 300EA

96 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Panel Cutout

96 m

m

90 mm70 mm

Side

MK330A

Technical DataAUXILIARY SUPPLYModelMK330A-230A : 184~276VACModelMK330A-110A : 94~127VACRated frequency : 50HzVA rating : 3VA typical



0.10~1.00A (Step=50mA) 1.00~10.0A (Step=1.00A)

Time delay adjustment: Instantaneous, 0.1~3.0sec (Step=0.1s)

Number of shots : 0~30 (Step=1, 0=Disable autore-closefunction)

Dead time : 1~500sec (Step=1sec)

Persistent fault time : 0~500sec (Step=1sec, 0=Disable function)

Reclaim time : 0~500min (Step=1min, 0=Disable function)

Lockoutautoresettime: 0~200hour (Step=1Hr, 0=Disable function)




INDICATORSPre-faultalarm :Redindicator(Normal

blink)Timedelay :Redindicator(Fastblink)Leakagetrip : 7-segmentdisplayand

red indicatorRe-closelockout : 7-segmentdisplayand

red indicatorZCTconnectionerror: 7-segmentdisplayand

red indicatorReal-timeleakagecurrent:7-segmentdisplay

ZERO-PHASE CURRENT TRANSFORMERTooperatewithMikro’sZCTseriesofcurrenttransformer

MECHANICALMounting : Panel mountingDimension (mm) : 96(w) x 96(h) x 90(d)Enclosure protection : IP54 at the panelApproximateweight : 0.6kg(excludingZCT)

Programmable contact: Option 0 = Disable Option 1 = All (Option

2 to 6) Option 2 = ZCT error

Option3=Leakagetrip, test trip,

re-closelockout Option4=Re-close

lockout Option 5 = Pre-faultalarm, leakagetrip, test trip, re-closelockout

Option6=Re-close lockout, ZCT error




INPUTRemote reset : N.O. dry contact

OUTPUTSTrip safe contact : Activated when the relay

isinnormalpower-upcondition with the measuredleakagecurrentless than 0.85 IΔn.

Programmable contact: Activated according to user setting


K 330A

Features• Numericalauto-reclosingearthleakagerelay

• Incorporatedpositivesafetyfeatureintotripcontact

• Oneprogrammablecontactforflexibility

• DetectionofnoconnectiontoZCT

• Relaytrip/alarmindicator




• StandardDIN96x96mmpanelmounting

• Protectedagainstnuisancetripping

Earth Leakage Relay


MK330A-230A For50Hzsystem,auxiliaryvoltage184~276VAC

MK330A-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MK330A-230A6 For60Hzsystem,auxiliaryvoltage184~276VAC

MK330A-110A6 For60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Case Dimensions Typical Application Diagram

TRIP SAFECONTACT*

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

PROGRAMMABLE CONTACT

LOAD

COM

L1 L2 L3 N PE

MK330A

REMOTE RESET

CONTACTOR

MIKROZCT

NONCCOMNONC


* Thetripsafecontactisactivated(terminal10-11closed)when

therelayisinnormalpower-upconditionwiththemeasured

leakagecurrentlessthan0.85IΔn.

MK 330A

96 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Panel Cutout

96 m

m

90 mm70 mm

Side

MK302AMK301AMK301E

Technical Data

AUXILIARY SUPPLYModelMK301A/302A-240A : 198~265VACModelMK301A/302A-110A : 94~127VACRated frequency : 50 / 60 HzVA rating : 3 VA typical

SETTING RANGESSensitivity adjustment : 0.03 A to 30 ADelay time adjustment : 0 sec to 3.0 sec


OUTPUT CONTACTSContact arrangement : 1 x manual reset type : 1 x safety contact* : NC and NO contacts

availableRated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at


INPUTS Remote Test* / Reset Inputs* : N.O. dry contact

INDICATORSAuxiliarysupply :GreenindicatorTime delay : Red indicatorTrip : Red indicatorReal-timeleakagecurrent : Redindicator

Features• Trip starting indicator

• Detection of no connection to current transformer for extra safety

• Relay tripped indicator

• High immunity to electrical interference

Features for MK 302A only• Safety output contact

• Earthleakagelevelindicators

• Remote reset and remote test functions


K 302A / 301A / 301E

ZERO - PHASE CURRENT TRANSFORMERTooperatewithMikro’sZCTseriesofcurrenttransformer

ENVIRONMENTAL CONDITIONSTemperature : -5˚Cto+55˚CHumidity : 56 days at 93% RH and

40˚Cnon-condensing

MECHANICAL Mounting : Panel mountingDimension (mm) : 96(w) x 96(h) x 90(d)Approximateweight : 0.6kg(excludingZCT)

* Applicable to MK302A series only

** Applicable to MK301E series only

MK 302A

MK 301A

MK 301E

Earth Leakage Relay

Typical Application Diagram

L1L2L3N

2 3 4 5 6

10

1

9 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT

MK301A or MK302A

LOAD

SHUNTTRIP

NO NC COM

PE


L1L2L3N

1 2 3 4 5 6

9 10 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT

LOAD

CONTACTOR

SAFETY CONTACT*

REMOTETEST*

REMOTE RESET*

COM COM NCNC NONO

PE


MK302A

L1L2L3N

1 2 3 4 5 6

9 10 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT TRIP CONTACT 2**

LOAD

SHUNTTRIP

NO NC COM NC NOC OM

PE


MK301E

Case Dimensions96 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Panel Cutout

96 m

m

90 mm70 mm

Side


MK301A-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK301A-110A For50/60Hzsystem,auxiliaryvoltage94~127VACMK302A-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK302A-110A For50/60Hzsystem,auxiliaryvoltage94~127VACMK301E-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK301E-110A For50/60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

MK 302A / 301A / 301E

DIN330

Technical DataAUXILIARY SUPPLYModelDIN330-230A(6) : 184~276VACRated frequency : 50 or 60 HzVA rating : 3 VA typical


SETTINGSensitivity adjustment : 30 mA, 50 mA, 0.10 A –1.00 A

(Step = 50 mA), 1.00 A – 10.0 A

(Step = 1.00 A)Time delay adjustment: Instantaneous,

0.1s – 3.0s Step = 0.10 sec.

Numberofshots : 0-30.Step=1. 0 = Disable auto reclose function

Deadtime : 1-500sec.Step=1sec.

Permanentfaulttime : 0-500sec.Step=1sec.0 = Disable function

Reclaimtime : 0-500minute Step = 1 min 0 = Disable function

Lockoutautoresettime: 0-200hour Step = 1 Hrs 0 = Disable function

OUTPUT CONTACTSRated voltage : 250 V ACContact rating : 5 A (NO) 3 A (NC)Expected electrical life : 100,000 operations at


INDICATORS50%pre-faultalarm :Redindicator(Normal

blink)Timedelay :Redindicator(Fastblink)Leakagetrip : 7-segmentdisplayand

red indicatorRecloselockout : 7-segmentdisplayand

red indicatorZCTfault : 7-segmentdisplayand

red indicatorRealtimeleakagecurrent:7-segmentdisplay



40˚Cnon-condensing

MECHANICALMounting : Panel mountingDimension (mm) : 71(w) x 85(h) x 70(d)Approximateweight : 0.4kg(excludingZCT)

Programmable contact : Option 0 = Disable Option 1 = All (Option 2 to 6) Option 2 = ZCT error Option3=Leakagetrip, test trip, re-closelockout Option4=Re-close lockout Option5=Pre-faultalarm, leakagetrip, test trip, recloselockout Option6=Re-close lockout, ZCT error



Storage :Non-volatilememor

INPUTRemote reset : N.O. dry contact

OUTPUTSTrip safe contact : Activated when the relay

isinnormalpower-upcondition with the

measuredleakagecurrentless than 0.85 IΔn.

Programmable contact: Activated according to user setting

Earth Leakage RelayDIN 330

Features• Numericalauto-reclosingearthleakagerelay

• Incorporatedpositivesafetyfeatureintotripcontact

• Oneprogrammablecontactforflexibility


• Relaytrip/alarmindicator




• Standard35mmDINrailmounting


Earth Leakage Relay


DIN330-230A For50Hzsystem,auxiliary voltage 230 V AC DIN330-230A6 For60Hzsystem,auxiliary voltage 230 V AC

MODEL DESCRIPTION

Case Dimensions

Front

Side

71 mm

20 mm

45 mm

20 mm

70 mm

85 mm

30 mm 20 mm 20 mm

TRIP SAFE CONTACT PROGRAMMABLE CONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9 10 11 12 13 14

L NAUX

CONTACTOR

MIKROZCT

DIN330

REMOTERESET

COM NO NC COM NO NC

PE


Typical Application Diagram

* Thetripsafecontactisactivated(terminal9-10closed)when

therelayisinnormalpower-upconditionwiththemeasured

leakagecurrentlessthan0.85IDn.

DIN330

DIN310DIN310E

Technical DataAUXILIARY SUPPLYDIN310-230A(6) : 184~276VACDIN310E-230A(6) : 184~276VACRated frequency : 50 or 60 HzVA rating : 3 VA typical



0.10~1.00A (Step=50mA) 1.00~10.0A (Step=1.00A)

Time delay adjustment: Instantaneous, 0.1~3.0sec

Step=0.10 sec







INPUTRemote reset* : N.O. dry contact

OUTPUTSTrip Contact : Activated if relay tripped

or ZCT faultPositive safety contact* : Activated when ZCT is

connected properly to the relay

Pre-faultalarmcontact*:Activatedwhenleakagecurrent exceeded 50% of sensitivity setting

INDICATORS50%pre-faultalarm :RedindicatorTime delay : Red indicatorLeakagetrip : 7-segmentdisplayandred

indicatorZCTfault : 7-segmentdisplayandred

indicatorRealtimeleakagecurrent:7-segmentdisplay

Earth Leakage RelayDIN 310 / 310E

Features• Numericalearthleakagerelay

• Programmable current sensitivity and time delay

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator



• 50%pre-faultindicator

• Standard DIN rail mounting

• Protection against nuisance tripping

Features For DIN 310E only• Positivesafetyoutputcontact

• 50%pre-faultoutputcontact




40˚Cnon-condensing

MECHANICALMounting : Panel mountingDimension (mm) : 71(w) x 85(h) x 70(d)Approximateweight : 0.4kg(excludingZCT)

* Applicable to DIN310E series only

Case Dimensions

Earth Leakage Relay


DIN310-230A For50Hzsystem,auxiliaryvoltage230VACDIN310E-230A For50Hzsystem,auxiliaryvoltage230VACDIN310-230A6 For60Hzsystem,auxiliaryvoltage230VACDIN310E-230A6 For60Hzsystem,auxiliaryvoltage230VAC

* 60Hz system, auxiliary voltage 110V AC model available upon special request.

MODEL DESCRIPTION

Front

Side

71 mm

20 mm45 m

m

20 mm

70 mm

85 mm

30 mm 20 mm 20 mmTRIP CONTACT SAFETY CONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9 10 11 12 13 14

L NAUX

CONTACTOR

MIKROZCT

DIN310E

REMOTERESET

ALARM CONTACT

NO NC NCCOM COM NO

PE


TRIPCONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9

COM NO NC

10 11 12 13 14

L NAUX

SHUNTTRIP

MIKROZCT

DIN310

PE


Typical Application Diagram For DIN 310E

Typical Application Diagram For DIN 310

DIN 310 / 310E

DIN300DIN300E

Technical DataAUXILIARY SUPPLYModelDIN300/300E-240A: 198~265VACModelDIN300/300E-110A: 94~127VACRated frequency : 50 / 60 HzVA rating : 3 VA typical

SETTING RANGESSensitivity setting : 30 mA, 50 mA, 75 mA,

100 mA, 125 mA, 150 mA, 200 mA, 250 mA, 300 mA, 500 mA, 750 mA, 1 A, 1.25 A, 1.5 A, 2 A, 2.5 A, 3 A, 5 A, 7.5 A, 10 A, 12.5 A, 15 A, 20 A, 25 A, 30 A.

Time delay setting : Instantaneous, 50 ms, 100 ms, 150 ms, 250 ms, 350 ms, 500 ms, 1 s, 3 s.



40˚Cnon-condensing

MECHANICALMounting : DIN rail mountingDimension (mm) : 71(w) x 85(h) x 70(d)Enclosure protection : IP54 at the panelApproximateweight : 0.4kg(excludingZCT)

* Applicable to DIN300E model only

OUTPUT CONTACTSContacts(Trip/50%pre-fault*)Rated voltage : 250 V ACContact rating : 5 AExpected electrical life : 100,000 operations at


INPUTRemote test* / Reset inputs* : N.O. dry contacts


INDICATORSAuxiliarysupply :GreenindicatorTime delay : Red indicatorTrip : Red indicatorLeakagecurrent* :5redindicatorsfor

leakagelevels

Earth Leakage RelayDIN 300 / 300E

Features

• 25selectablesensitivitysettings: 30 mA to 30 A

• 9selectabletimedelays:0msto3s

• Earthleakagelevelindicators


• Relaytrippedindicator

• Tripstartingindicator


Features For DIN 300E only

• 50%pre-faultoutputcontact

• Remotetestandremoteresetfunctions

Earth Leakage Relay

Case Dimensions


DIN300-240A For50/60Hzsystem,auxiliaryvoltage240VACDIN300-110A For50/60Hzsystem,auxiliaryvoltage110VACDIN300E-240A For50/60Hzsystem,auxiliaryvoltage240VACDIN300E-110A For50/60Hzsystem,auxiliaryvoltage110VAC

MODEL DESCRIPTION

71mm

71mm

30mm 20mm 20mm

45mm

85mm

20mm

20mm

Front view

Side view

L1 L2 L3 N

1 2 3 4 5 6

8 9 10 11 12 13

7

14

L NAUX

S2

S1

TRIP CONTACT50%PRE-FAULT CONTACT

LOAD

SHUNTTRIP

REM

OTE

RES

ET

REM

OTE

TES

T

COMCOM NO NCNCNO

PE


L1 L2 L3 N

1 2 3 4 5 6

8 9 10 11 12 13

7

14

L NAUX

S2

S1

TRIP CONTACT

LOAD

SHUNTTRIP

COM NO NC

PE


Typical Application Diagram For DIN 300E

Typical Application Diagram For DIN 300

DIN 300 / 300E

ZCT40SZCT60SZCT80SZCT120SZCT210S

B

A C

D

G

F

E

Front

Bottom

DIMENSION (mm) ZCT Model 40S 60S 80S 120S 210S A 40 60 80 120 210 B 89 105 130 180 310 C 94 110 135 195 311 D 6 6 6 6 6 E 37 37 37 37 37 F 75 87 112 159 292 G 27 27 27 27 18

Earth Leakage RelayZCT 40S / 60S / 80S / 120S / 210S

Case Dimensions

Calculation to determine Inner Diameter of ZCT required


ZCT 40S 40 14 12 ZCT 60S 60 23 21 ZCT 80S 80 32 29 ZCT 120S 120 51 46 ZCT 210S 210 93 83

ZCT40S 40mminnerdiameter 0.16kgZCT60S 60mminnerdiameter 0.20kgZCT80S 80mminnerdiameter 0.28kgZCT120S 120mminnerdiameter 0.57kgZCT210S 210mminnerdiameter 1.5kg

D d3, 3 wire d4, 4 wire MODEL ZCT inner Up till wire Up till wire diameter (mm) diameter (mm) diameter (mm)

MODEL DESCRIPTION WEIGHT

40S

60S

80S

120S 210S

D

d3

3 wire

Dd4

4 wire

Example:ForasinglecoreCU/PVCinsulated,non-sheathed450/750V50mm2 conductor, it’snominaloveralldiameteris11.7mm.Topass4wiresthroughtheZCT,wecanuseZCT40S as the maximum diameter it can support is up till 12mm.

mk300a mk300ea - thegioidien.com - earth leakage relay.pdf · mk300a mk300ea technical data...

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