Features Protection Function: the miniature circuit breaker is used to protect the low-voltage electrical system, which can effectively prevent damage caused by overload and short circuit. Excellent Performance: the flame-retardant miniature circuit breaker has excellent performance, with rated voltage of 230/400V and rated current of 63A. It is applicable to general office buildings and residential buildings. 4500A Breaking Capacity: the miniature circuit breaker is a 1-pole circuit breaker with smooth operation switch, and the rated limit short-circuit breaking capacity is 4500A, with good reliability. Convenient Installation: The circuit breaker of the current wave protection device adopts a modular structure and a bistable locking clip, which can be conveniently installed on the DIN standard rail in the distribution box. Flame Retardant Housing: the housing of this miniature circuit breaker is made of high-quality nylon Pa66 material, which has excellent flame retardant performance, good safety performance and long service life. Specification: Item Type: Miniature Circuit Breaker Material: Pa66 Rated Current: 63A Rated Voltage (Ue): AC 230/400V 50Hz Rated Ultimate Short Circuit Breaking Capacity (Household Icn): 4500A Package List: 1 x Miniature Circuit Breaker Package List 1 x Miniature Circuit Breaker