Plastic Case Circuit Breakers

Case circuit breakers are also known as device circuit breakers, all parts are sealed in a plastic enclosure, through the modular contact, interrupter, striker and operating mechanism are installed in a plastic enclosure, generally do not consider maintenance, suitable for branch circuit protection switch, overcurrent striker has thermal magnetic and electronic two; structure of the interrupter chamber of the arc extinguishing piece mostly use thin plate and arc-resistant GPO3, to play a protective role