The auxiliary electrical contact is installed in the control circuit of the circuit breaker in order to allow automatic control. It is also used to trigger an alarm when the circuit breaker is released due to the load current of the system is overloaded, short circuited, and when there is an undervoltage failure of the equipment.
Specifications of auxiliary electrical contact
1) 1N/O and 1 N/C
2) 2N/O and 2N/C
3) 4N/O and 4N/C
|Circuit breaker state||Alarm contact state||Wiring diagram|
DADA company manufactures miniature electrical switches such MCB Circuit breakers, RCD circuit breakers, ELCB breakers, RCBO, RCB circuit breakers, molded case circuit breaker, DADA started miniature circuit breaker manufacturing from 2004, already offered million various electrical circuit breakers into global markets for different electrical MCB breaker clients.
electrical switch, electronic components, circuit breaker parts
Shanghai Dada Electric Co., Ltd
Add.: No.171 Yezhuang Road, Zhuanghang, Fengxian, Shanghai
Contacts: Mrs. Weng