1P Circuit Breaker, DIN Rail Mount 230V/400V 40A High Reliability PA66 Nylon Shell Compact Size Short Circuit Protection Switch for Lighting System Automatic switch

Circuit Breakers [CIRCUIT PROTECTION] The circuit breaker is used to protect low voltage electrical systems from overload or short circuit damage. [PA66 NYLON SHELL] The shell is made of excellent PA66 nylon material, which has good flame retardancy and safety. [DIN RAIL MOUNT] Modular structure, bistable locking clip, can be easily installed on the DIN standard rail in the distribution box. [COMPACT SIZE] The low voltage circuit breaker is small and compact, easy to install and does not take up space.