This is a Domae residual current circuit breaker (RCCB). It is a 2P circuit breaker with In rated current of 25A, AC type protection class and a 300mA earth leakage sensitivity. This product protects against electrical shock by 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. It becomes IP40 once in modular enclosure according to IEC/EN 60529 standard. The operating temperature is from -5°C to 40°C. The storage temperature is from -40°C to 60°C.