CHM3-400H/4 Molded Case Circuit Breaker

Application Scope:
CHM3-400 series of moulded case circuit breakers (Hereinafter referred to as the MCCBs), whtich is one of the self-developed new generation MCCB of Chinehow. According to the level of the rated ultimate short-circuit breaking capacity, the breaker can be classified into three types: Type L \ M \ H .

The breaker possesses the features such as compactness, high breaking capacity, short arc over and anti-Vibration etc, which is the ideal product for both land and marine use. The rated working vlotage is AC 690, with the insulation voltage of 800V, will be suitable for in-frequency switching of circuits and starting of motors in 50/60Hz cicuit.

◇ The breaker has disconnecting function.
◇ The breaker has functions of overload protection, short circuit protection and undervoltage protection which can be protect circuit and electrical power unit properlty.
◇ The breaker can be installed vertical (upright), as well as horizontal (crosswise).
◇ The breaker meets the standards: IEC 60947-2 \ GB/T 14048.2