Changshu Switch Fty (China) introduced the new CM1L Series of circuit breakers, which are rated at 400V and can withstand up to 3kV/min. The devices are designed to protect power supplies and motors against overload, short circuit and under-voltage conditions.
The circuit breakers come in a plastic housing and feature anti-vibration characteristics. The devices are compliant with the IEC60947-2 1995 and GB14048.2 standards, and are suited for operation over the -5°C to +40°C temperature range. The CMIL-630 is available with current ratings of 400A, 500A and 630A, while the CM1L-400 is rated at 225A, 250A, 315A and 400A.