Digital Protective Relay

Model

Series

Electric & Electronic Dpt.

Product Description

Digital Protective Relay

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) 2) Voltage Circuit - Rated Voltage X 1.15 (no problem for 3 hours)
Transient Response	Power Input 4kV, Other Input 2kV
Static Electricity	Air 8kV, Contact Input 6kV
Weight	Within 5kg of basic model standard