This is a Acti9 ID K biconnect residual current circuit breaker (RCCB).The Ue operational voltage is 380VAC to 415VAC.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 8.The product colour is white (RAL9003). The dimensions are (W) 72mm x (H) 81mm x (D) 68mm. The weight is 0.35kg.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 -5C to 55C. The storage temperature is from -25C to 85C.It is a 4P circuit breaker with In rated current of 63A, AC type protection class and a 300mA earth leakage sensitivity.The electrical endurance is up to 4000 cycles. The mechanical endurance is up to 5000 cycles.This product protects against electrical shock by indirect contact and fire hazards.There is a test button used to check the residual current device is operating correctly.The connection is made downstream by biconnect comb busbar or upstream/downstream by tunnel terminals.This product is compliant with IEC/EN 61008-1 standard.The (Im/I?m) rated breaking and making short circuit capacity is 630A. The (Inc/I?c) conditional rated short circuit current is 4.5kA.The electrical endurance is up to 4000 cycles. The mechanical endurance is up to 5000 cycles.