Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of bmc circuit breaker base in China. If you're going to buy bmc circuit breaker base made in China, welcome to get more information from our factory. We also accept customized orders.
BMC Circuit Breaker Base
This BMC circuit breaker is compression-molded from the thermoset BMC compound, engineered to serve as the core insulating carrier inside low- and medium-voltage circuit breakers. The material retains its dielectric strength after repeated thermal cycling generated by contact switching, and it resists tracking and arc residue accumulation that commonly degrade plastic insulating parts over service life.
Each BMC circuit breaker base is formed under controlled temperature and pressure, keeping consistent wall thickness and dimensional stability across batches. No post-molding deformation occurs when the component is assembled with conductive terminals and trip units. The formulation carries good flame retardancy, which slows flame spread if abnormal arcing takes place inside the breaker housing.
Structural adjustments can be made according to customer drawings. Mounting bosses, locating grooves, and through-hole positions are modified to fit existing breaker assembly lines. Surface finish can be adjusted to reduce dust adhesion in cabinet environments. Samples are produced for dimension checking and dielectric testing before formal mass production.
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