3P Miniature Circuit Breaker DIN Rail Mount Protection Circuit Breaker 400V 63A for Home Office Automatic switch

【Circuit Breaker】Used to prevent 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 PA66 nylon material, 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】Circuit breaker has 4500A rated ultimate short circuit breaking capacity, AC 400V rated voltage and 63A rated current as well.