MODEL
MK301A (EARTH LEAKAGE RELAY)MK302A (EARTH LEAKAGE RELAY C/W INDICATOR)MK300A (NUMERICAL EARTH LEAKAGE RELAY)MK330A (NUMERICAL EARTH LEAKAGE RELAY)DIN300 (DIN RAIL TYPE EARTH LEAKAGE RELAY)ZCT40S (SPECIAL CORE ZCT-40MM)ZCT60S (SPECIAL CORE ZCT-60MM)ZCT80S (SPECIAL CORE ZCT-80MM)ZCT120S (SPECIAL CORE ZCT-120MM)