◆ Digital Ground fault protection relay
◆ Minimized compact size,panel mounting type
◆ MCU(Microprocessor Control Unit) based
◆ High sensitive wide range:30mA~4A 
◆ Precised preset for zero phase current & time :3 Digit Window
◆ Various response : variable Eot
◆ Various type based on ZCT type 
*DGFR-A Type : ZCT → 200mA/1.5mA :30mA ~ 4A
*DGFR-V Type : ZCT → 200mA/100mV :30mA ~ 4A
*DGFR-N Type : NCT → 100A/5A :200mA ~10A
◆ Self diagnostic function