Plastic case circuit breakers are used to protect circuits, and most families usually install plastic case circuit breakers.
1, the molded case circuit breaker can achieve 20- 1250A (generally the breaking capacity is below 100KA), and the micro terminal can achieve 1- 125A (generally the breaking capacity is 4.5-6KA).
2. The maximum size of molded case circuit breaker is now 1250A.
Guizhou Changzheng Electric Co., Ltd. (formerly Guizhou Changzheng Electric Co., Ltd.) is a national large-scale first-class enterprise mainly engaged in the manufacture and sales of high, medium and low voltage electrical components, relay protection, complete sets of electrical equipment, wind power generation equipment and other products below 500 kV. It is one of the largest industrial electrical appliance production bases in Southwest China, and was listed on Shanghai Stock Exchange on 1997 with the stock code "6065438+".