30mA 40A Residual Current Circuit Breaker, Automatic Residual Current Switch, 2P AC220V, Automatic Resetting, RCCB Smart Circuit Breaker, Protection Switch DEWD9L-R

【Automatic Closure】: This 40A 2-pole circuit breaker/anti-leakage circuit breaker automatically closes when the MCB/RCCB trips accidentally, eliminating the need for manual closure. This reduces manual maintenance costs, prevents errors, and improves efficiency. 【Fast Response】: The integrated 3-way reset residual current circuit breaker allows for continuous power interruption within 15 minutes, signaled by an auxiliary contact. 【Function Switch】: This automatic closure circuit breaker switch-disconnector features a manual/automatic selector and dual mechanical/electronic blocking function. 【Operating Status】: The shaft-driven automatic circuit breaker is more stable and reliable, and the operating status is indicated by an LED. 【Application】: This automatic closure circuit breaker can be widely used in network terminal blocks. Electrical, unattended mobile phone base station, elevator, air conditioning, smart home, smart factory, new energy vehicle charging station, and so on. Material: PC + copper. Poles: 2 PC. Control circuit: Supplier terminal; A1/A2. Rated voltage: AC 220 V. Mechanical life: 10,000 cycles. Electrical life: 4,000 cycles. Operating environment: Temperature -20°C to +55°C. Mounting method: 35 mm DIN rail. Leakage current: 30 mA. Rated current: 40 A. Packing list: 1 x self-reclosing circuit breaker, 1 x instruction manual.