GEWISS magneto-thermal circuit breaker, 1P+N, 1 module, C, 20A, 4.5kA. This circuit breaker provides safe and efficient protection for electrical installations using one phase and one neutral (1P+N). With a capacity of 20A and a breaking capacity of 4.5kA, it is ideal for domestic and commercial installations with medium loads. The compact 1 module design makes it suitable for smaller electrical panels, providing reliable and durable protection for your electrical system against overloads and magnetic discharges.