MK302A MK301A MK301E - itmikro.com

1 MK302 AMK301 AMK301 ETechnical DataAUXILIARY SUPPLYM odel MK301A / 302A -240A : 198 ~ 265 V ACModel MK301A / 302A -110A : 94 ~ 127 V ACRated frequency : 50 / 60 HzVA rating : 3 VA typicalSETTING RANGESS ensitivity adjustment : A to 30 ADelay time adjustment : 0 sec to sec PERFORMANCES etting accuracy : -15% to +0%Timing accuracy : 5%OUTPUT CONTACTSC ontact 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 rated currentExpected mechanical life : 5 x 106 operationsINPUTS Remote Test* / Reset Inputs* : dry contact INDICATORSA uxiliary supply : Green indicatorTime delay : Red indicatorTrip : Red indicatorReal-time leakage current : Red indicator 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 Earth leakage level indicators Remote reset and remote test functionsEarth Leakage RelayMK 302A / 301A / 301 EZERO - PHASE CURRENT TRANSFORMERTo operate with Mikro s ZCT series of current transformerENVIRONMENTAL CONDITIONST emperature : -5 C to +55 CHumidity : 56 days at 93% RH and 40 C non-condensingMECHANICAL Mounting : Panel mountingDimension (mm) : 96(w) x 96(h) x 90(d)Approximate weight.

2 Kg (excluding ZCT)* Applicable to MK302A series only** Applicable to MK301E series onlyMK 302 AMK 301 AMK 301 EEarth Leakage Relay Typical Application DiagramL1L2L3N23456101911121314715816 LNAUXTRIP CONTACTMK301A or MK302 ALOADSHUNTTRIPNONCCOMPEThe EARTH wire must not pass through the ZCT L1L2L3N1234569 1011121314715816 LNAUXTRIP CONTACTLOADCONTACTORSAFETY CONTACT*REMOTETEST*REMOTE RESET*COM COM NCNCNONOPEThe EARTH wire must not pass through the ZCT MK302AL1L2L3N1234569 1011121314715816 LNAUXTRIP CONTACTTRIP CONTACT 2**LOADSHUNTTRIPNONCCOMNCNOC OMPEThe EARTH wire must not pass through the ZCT MK301E Case Dimensions96 mmFrontPanel Cutout96 mm90 mm70 mmSide Ordering InformationMK301A - 240A For 50 Hz system, auxiliary voltage 198 ~ 265 V AC MK301A - 110A For 50 Hz system, auxiliary voltage 94 ~ 127 V ACMK302A - 240A For 50 Hz system, auxiliary voltage 198 ~ 265 V ACMK302A -110A For 50 Hz system, auxiliary voltage 94 ~ 127 V ACMK301E - 240A For 50 Hz system, auxiliary voltage 198 ~ 265 V ACMK301E -110A For 50 Hz system, auxiliary voltage 94 ~ 127 V ACMK301A - 240A6 For 60 Hz system, auxiliary voltage 198 ~ 265 V AC MK301A - 110A6 For 60 Hz system, auxiliary voltage 94 ~ 127 V ACMK302A - 240A6 For 60 Hz system, auxiliary voltage 198 ~ 265 V ACMK302A -110A6 For 60 Hz system, auxiliary voltage 94 ~ 127 V ACMK301E - 240A6 For 60 Hz system, auxiliary voltage 198 ~ 265 V ACMK301E -110A6 For 60 Hz system.

3 Auxiliary voltage 94 ~ 127 V ACMODEL DESCRIPTIONMK 302A / 301A / 301E