News

GC-820: Series microcomputer universal protective relay mainly has the following functions:

Protection configuration: three-section overcurrent; Inverse time overcurrent; Zero sequence overcurrent protection; Overtemperature, heavy gas trip/high temperature, light gas alarm; Remote letter; Remote control; Remote management;

Input/output: three-phase current and zero sequence current, 8 channels open, 6 channels open

Series microcomputer line protection relay mainly has the following functions:

Protection configuration: three-section overcurrent; Inverse time overcurrent; Overload alarm; Zero sequence overcurrent protection; Low voltage protection; Overvoltage protection, zero sequence overvoltage protection; Reclosing protection; Opening trip; Open alarm; Locking and closing; Remote letter; Remote control; Remote management;

Input/output: A,C phase current, zero sequence current, AB,BC voltage and zero sequence voltage, 8 channels open, 6 channels open

GC-822: Series microcomputer capacitor protection relay mainly has the following functions:

Protection configuration: three-section overcurrent; Unbalanced voltage protection; Unbalanced current protection; Zero sequence overcurrent protection; Low voltage protection; Overvoltage protection; Open straight jump/alarm; Remote letter; Remote control; Remote management;

Input/output: A,C phase current, zero sequence current, unbalanced current/voltage optional; AB,BC voltage, channel 8 in, channel 6 out

GC-823: Series microcomputer capacitor protection relay mainly has the following functions:

Protection configuration: three-section overcurrent; Reverse time overcurrent protection, 4 unbalanced voltage (zero sequence voltage) protection; Open straight jump/alarm; Remote letter; Remote control; Remote management;

Input/output: A,C phase current, 4 unbalanced voltage; Route 8 in, Route 6 out

GC-824: Series microcomputer motor (reactor) protection relay mainly has the following functions

Protection configuration: three sections of overcurrent (fast break, blocked rotation, overload) with the start time (9 seconds after alignment is the start time, and the protection setting value within the start time automatically *2); Zero sequence overcurrent protection; Low voltage protection; Overvoltage protection; Open straight jump/alarm; Remote letter; Remote control; Remote management;

Input/output: A,C phase current, zero sequence current, AB,BC voltage and zero sequence voltage, 8 channels open, 6 channels open

GC-825 series microcomputer transformer protection relay mainly has the following functions:

Protection configuration: high-voltage side: three-stage overcurrent; Repressure/low pressure locking; Inverse time overcurrent; Overload alarm; Zero sequence overcurrent protection; Low voltage protection; Overvoltage protection; Low pressure side zero current time/reverse time; Overtemperature, heavy gas trip/high temperature, light gas alarm; Remote letter; Remote control; Remote management;

Input/output: 2 phase current and high, low zero sequence current, 2 phase line voltage, 8 way in, 6 way out

The GC-826 series backup power supply device mainly has the following functions:

Segmented reserve (EMA562); Remote letter; Remote control; Remote management;

Input/output: incoming current Ia, Ic; Incoming line two current Ia, Ic; Incoming voltage Uab, Ubc; Incoming two voltage Uab, Ubc; Route 8 in, Route 6 out

GC-827: Series microcomputer antiharmonic protection relay mainly has the following functions:

Protection configuration: overvoltage protection; Harmonic protection; Remote letter; Remote control; Remote management;

Input/output: 2 phase line voltage, 8 channels open, 6 channels open