This product is a Domae residual current circuit breaker (RCCB). It is a 2P circuit breaker with 40A In rated current, a sensitivity of 30mA with a AC type protection class. This product protects against electrical shock by direct or indirect contact and fire hazards. It performs the function of disconnection of electrical circuits in case of earth fault. It has control of on load electric circuit, already protected against overloads and short circuit. This product is compliant with IEC 61008-1 standard. The (Im/IΔm) rated breaking and making short circuit capacity is 500A. The (Inc/IΔc) conditional rated short circuit current is 3000A. The electrical endurance is up to 2500 cycles. The Ue operational voltage is 230VAC. The Ui rated insulation voltage is 440VAC. The Uimp rated impulse withstand voltage is 4kV. The frequency is 50Hz. It is DIN rail mountable. The width in 9mm pitches is 4. The product colour is light grey (RAL7035). The dimensions are (W) 36mm x (H) 71mm x (D) 65mm. The weight is 0.23kg. It has an IP20 degree of protection (as per IEC/EN 60529 standard) and becomes IP40 once in modular enclosure. The operating temperature is from -5°C to 40°C. The storage temperature is from -40°C to 60°C.