Vacuum Circuit Breaker

We are offering vacuum circuit breaker.
Zw32-12 vacuum circuit breaker is mainly composed of integrated embedded pole, current transformer, permanent magnetic actuator, and cabinet. It was designed as miniature circuit breaker, the shell is made of high quality stainless steel. Meanwhile it was equipped with manual opening device for the emergency time. Isolating switches and current transformer can be selected according to the customers’ needs.
The control of zw32-12 permanent magnet circuit breaker can be finished by intelligent control unit. It can realize the switch opening-closing operation on site, or be operated by remote controlling system through communication port. The other information can be transmitted to the control center. The communication channel can choose cable, optical fiber, gprs/cdma, gsm, etc.
The intelligent control unit installed close to the circuit breaker, connects with breaker by controlling the cable. The power in the control unit includes main and spare supply, the main power is ac or dc 220v, be got through pt by high voltage line. The back up power be supplied by battery(installed in the cabinet).in the normal work, the main power will charge the back-up power. When the main power is out, the back up power will supply power and control circuit breaker and finish its operation. The back up power can ensure the whole machine work not less than 48 hours.
There is opening switch handle in the circuit breaker as the controlling system or used to open switch in the emergency time when power failure occurs.