A circuit breaker refers to a switching device that can close, carry, and disconnect current under normal circuit conditions, and can close, carry, and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high voltage circuit breakers and low voltage circuit breakers according to their usage scope. The boundary between high and low voltage is relatively vague, and those above 3kV are generally referred to as high voltage electrical appliances. Circuit breakers can be used to distribute electrical energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off circuits when they experience serious overload, short circuit, undervoltage, and other faults. Their function is equivalent to a combination of fuse type switches and over/under heat relays. And generally, there is no need to change the components after disconnecting the fault current. It has been widely applied. Distribution is an extremely important link in the generation, transmission, and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and low voltage circuit breakers are widely used electrical appliances. The circuit breakers produced by our company are all high-voltage circuit breakers, which are mainly divided into vacuum circuit breakers,Auto/automatic reclosers, and SF6 circuit breakers.
