Our digital protective relay (NEC-3100) has various protective relay features and various protective and measuring factors to monitor and prevent the faults comprehensively. It enables more effective and reliable management of power system.
Items
Specification
Connecting Method
3P3W(2PT-D), 3P4W(3PT-Y)
Control Power
AC110V / DC110V
Frequency
60Hz
Voltage
PT : 110V / GPT : 190V
Current
CT : 5A / ZCT : 1.5mA
Power Consumption
Idle: up to 30W, Operating: up to 70W
Input Load
PT : up to 0.5VA, CT : up to 1VA
Input Point
DI : DC24V, AI : 4~20mA
Output Point
- TRIP : AC125V 10A - ALARM : AC125V 10A
Communication
- RS485 (MODBUS) - Ethernet
Insulation Resistance
DC 500V 10MΩ
Power Frequency Withstand Voltage
Electric circuits – between ground: AC2kV / for 1 minute Between each circuit: AC 2kV / for 1 minute between terminals of contacts: AC 1kV / for 1 minute
Overload Capacity
1) Current Circuit
- Rated Current X 2 (no problem for 3 hours) - Rated Current X 20 (no problem for 2 seconds)