A 20A RCD with overcurrent protection, 1P + Ns poles and type B curve code. Contact position indicator Toggle switch control Tunnel type terminals. Provides short-circuit and overload protection. Can be fitted instead of a miniature circuit breaker for complete protection of a circuit. BSEN61009-1 Compliant Type A, 30mA Earth leakage protection B Curve 6kA Breaking Capacity IP20.