Residual current circuit breakers with overcurrent protection

A Residual current circuit breaker (RCCB) performs the following functions: disconnection of the circuit for a time less than that required to cause serious harm to a person; control and disconnection of electrical circuits; protection of electrical installations against insulation breakdown.

  • Disconnection CharacteristicB, C, D
  • Leakage Current Cut-off CharacteristicAC, A, S
  • Rated Currentfrom 0.5A to 63A
  • Time for Disconnection< 40ms
  • Nominal Leakage Currentfrom 30mA to 1000mA
  • Nominal Voltage230/400V AC
  • Number of Poles2 / 3 / 4
  • Frequency50/60Hz
  • Operating Temperaturefrom –25°C to 55°C