The FAZ-K4/3N is a circuit breaker, manufactured by Eaton, with a rated voltage of 230/400VAC, Rated current of 4A, 3 poles + neutral, DIN rail mounting and a breaking capacity of 15kA. The FAZ-K4/3N circuit breaker is designed to protect and disconnect single phase and three phase installations from overloads and short circuits. It offers adjustable protection for all applications. This device can be used to protect loads, motors and transformers in domestic, commercial, and industrial environments.