ACB　Shorting B contact (SBC)

This contact(SBC) is used to auxiliary switch(AXb) contact. When Drawout type ACB is moved from "test" position to "disconnect" position, AXb contact will b... More Details >>

AL

AL (Alarm switch) is a switch which electrically displays tripping state of a circuit breaker.The markings of the switch are 8/ALa, 96/ALb and 95/ALc.*When t... More Details >>

ACB Ground fault protection

Ground fault protection (GFR) is prepared as option, it is possible to detect and protect against ground fault current. "Trip" or "Alarm signal output" can b... More Details >>

ACB closing time

The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less. More Details >>

Branch connection for MODBUS RTU communication

No, it is impossible. But Multi-drop connection is possible. For details, refer to connection examples as below. More Details >>

AX

AX (Auxiliary switch) is a switch which electrically displays the ON / OFF state. The markings are 14/AXa, 12/AXb and 11/AXc.* If the circuit breaker itself ... More Details >>

Rated current and continuous current

The rated current is standard value for continuous current, short time delay current and instantaneous current. Continuous current is non-breaking current (c... More Details >>

ACB How to store drawout handle

Set the handle holder to the right side of the drawout frame with the included screw and nut, and store the drawout handle. However, the circuit breaker with... More Details >>

UVT

UVT is an internal accessory which trips a circuit breaker in the case that circuit voltage decreases from 70% to 35% or less, and turns it "ON" after resett... More Details >>

ACB How to use MCR

It is special relay characteristic for selective co-ordination. When closing ACB (changing from OFF to ON), the instantaneous tripping characteristic is effe... More Details >>