This is a Resi9 RCCB residual current circuit breaker (RCCB). It is a 4P circuit breaker with In rated current of 40A, A type protection class and a 30mA earth leakage sensitivity. This product protects against electrical shock by direct or indirect contact and fire hazards. As an high sensitivity residual current circuit breaker, it is recommended for all power sockets. It is also compulsory for all equipment in bathrooms, outdoors. The Resi9 is targeted to the residential market for individual and collective buildings. This product is compliant with EN/IEC 61008-2-1 standard. The (Im/IΔm) rated breaking and making short circuit capacity is 500A. The (Inc/IΔc) conditional rated short circuit current is 6kA. The electrical endurance is up to 2000 cycles. The mechanical endurance is up to 5000 cycles. The Ue operational voltage is 400VAC. The frequency is 50Hz or 60Hz. It is DIN rail mountable. The width in 9mm pitches is 8. The product colour is white (RAL9003). The dimensions are (W) 75mm x (H) 100mm x (D) 82mm. The weight is 0.355kg. It has an IP20 degree of protection. It becomes IP40 once in modular enclosure according to IEC/EN 60529 standard. The operating temperature is from -25°C to 40°C. The storage temperature is from -30°C to 70°C.