Features FLAME RETARDANT NYLON: Shell is made of good quality PA66 nylon material, which possess excellent flame retardant and safety performance PREVENT OVERCURRENT DAMAGE: Mini circuit breaker is used to protect low voltage electrical systems from overcurrent damage caused by overload or short circuit WITH BISTABLE LOCKING CLIP: Modular structure can be easily installed on the DIN standard rail in the distribution box, adopt bistable locking clip, very reliable USED FOR OFFICE AND RESIDENTIAL BUILDINGS: Miniature circuit breakers are mainly used for the lighting of office and residential buildings. Suitable for power distribution and protect facilities from overload and short circuit damage 4500A BREAKING CAPACITY: Come with 4500A high breaking capacity . Compact size bring small footprint, easy and convenient to use, useful and practical Specification: Item Type: Miniature Circuit Breaker Model: DZ47-63 C63 Material: PA66 Rated Current: 63A Rated Voltage (Ue): AC 230V 400V 50Hz Rated Ultimate Short Circuit Breaking Capacity (home Icn): 4500A Package List:1 x Miniature Circuit Breaker Package List 1 x Miniature Circuit Breaker