Air switches 4P MCB Protection Circuit Breaker DIN Rail Mount Miniature Circuit Breaker 400V 20A for Lighting System

Circuit Breaker: Used to protect low voltage electrical systems from damage caused by over current, overload or short circuit. Flexible to Use: Mainly applied to the lighting of office buildings, residential buildings, etc. very reliable and practical. Sturdy Material: The flame retardant shell is made of nylon material PA66, not easy to deform and also has excellent durability. DIN Rail Mounts: With modular structure and bistable locking clip, the DIN rail mount on distribution box is very convenient. Reliable Works: Has 6000A rated ultimate short circuit breaking capacity, AC 400V rated voltage and 20A rated current as well.