THQD MCCB

Circuit breaker, Can connect, broken bearing circuit, also can be in normal current regulation of abnormal conditions (e.g. short-circuit circuit) and certain time through, it is a mechanical switch electric load current. Mechanical switch electric touch is divisible head on and the electric circuit breaker. Breaker function Circuit breaker is in power system control and protection of electrical equipment with. Its main functions include: (1) control function. According to the operation needs, use the power equipment and part of the circuit breaker line input or exit operation. 2 protection function. In the electric power equipment or circuit fault, through the current transformer and relay protection system of break-brake signal circuit breaker automatically points, and fault part, ensure rapid power system runs normally. Part of trouble-free Circuit breaker and other switching device functional comparison table.