The 5SV4111-0KL is a single-pole, RCD (residual current device) circuit breaker manufactured by Siemens. This breaker has a rated current of 16A, rated residual current of 10mA, rated voltage of 230/400VAC, DIN mounting dimensions, IP20 protection class, and is suitable for protection against electric shock. The 5SV4111-0KL provides reliable fire protection, as it is designed to detect any current leakage due to fault caused by damage and immediately trip the whole system to prevent a fire hazard. The 5SV4111-0KL breaker is an ideal solution for use in both residential and commercial installations, as it meets all regulatory safety requirements.