Leakage molded case circuit breaker

• This type of controller is applicable to the environment of three-phase four-wire auxiliary power supply. lts rated insulation voltage is 800V, which is suitable for infrequent conversion and infrequent motor starting in circuits with AC 50Hz, rated working voltage up to 690V and rated current up to 1250A.The circuit breaker has overvoltage protection, undervoltage protection, phase loss protection, overload long delay inverse time limit, short circuit short delay inverse time limit, shortcircuit short delay definite time limit, short circuit instantaneous and undervoltage protection, and leakage tripping protection functions,which can protect the line and power equipment from damage.

• ZQM1l series plastic case circuit breaker with residual current protection (hereinafter referred to as circuit breaker) is one of the new circuit breakers developed by our factory with international advanced design and manufacturing technology.
• The rated insulation voltage is 8ooV, which is suitable for infrequent switching and infrequent motorstarting in circuits with AC 50Hz, rated working voltage of 400V and rated working current of 16A to 800A.