1、Safety PA66 Housing: Manufactured by excellent nylon Pa66 material, the circuit breaker has good flame resistant and great safety performance. 2、Electrical System Protection: Used for protecting low voltage electrical system, preventing them from over current damage caused by overload and short circuit. 3、DIN Rail Mounted: Adopt modular structure, the circuit breaker can be mounted on DIN standard rail in distribution box easily with bistable locking clip. 4、4500A Breaking Capacity: The breaking capacity of this miniature circuit breaker is 4500A, which is applicable for general office building and residential buildings. 5、1P Plus N: This circuit breaker is 1P plus N type, with smoothly operation switch, stable and reliable working performance. Item Type: Miniature Circuit Breaker Material: Pa66 Rated Current: 63A Rated Ultimate Short Circuit Breaking Capacity (Household Icn): 4500A 1 x Miniature Circuit Breaker