A 40A RCD with overcurrent protection, 1P + Ns poles and type B curve code. Features a contact position indicator, toggle switch control, and tunnel type terminals. Provides short-circuit and overload protection, and can be fitted instead of a miniature circuit breaker for complete circuit protection. Offers Type A, 30mA Earth leakage protection, B Curve 6kA Breaking Capacity. Protects against short circuits, cable overloads, and electric shocks from direct contact. Includes an operating test button (T) on the front panel for fault tripping indication. Compliant with BSEN61009-1.