... Breaker (RCCB) with Test Button for Regular Inspection 400V,4Pole low voltage Residual Current Circuit Breaker (RCCB) with Test Button for Regular ... , 25, 40, 63Sensitivity mA30, 100, 300, 50030, 100, 300, 500Rated Voltage (Un) Vac230400 Rated Frequency Hz5050Electrical Endurance/Mechanical Operations1000010000