UYYLURVRJCircuit BreakerType B RCCBs, in addition to normal AC, can detect high frequency AC and pure DC earth leakage currents. Reducing the risk of fire and/or electrocution throug4h automatic disconnection of the electrical supply relies on the selection of the correct type of RCCB.Application Example:EV & PV installations Frequency converters UPS installations Highfrequency power converters Building site power supply cabinetsMode : ElectromagneticType(wave form of the earth leakage sensed): B TypeRated current In :6A.10A.16A.20A.25A.32A.40A.50A.63APoles:4PRated voltage Ue :4P 415VInsulation voltage Ui :500VRated frequency :50/60HzRated residual operation current(In) :10mA 30mA 100mA 300mARated residual making and breaking capacity (Im):1000A(In40A),10In(In>40A)Short-circuit current Inc= Ic:10,000ABreak time under In :0.1sRated impulse withstand voltage(1.5/50) Uimp : 4000VDielectric test voltage at ind.Freq. for 1min :2.5kVElectrical life : 2,000CyclesMechanical life : 4,000CyclesB Class leakage circuit breaker :Bclass leakage circuit breaker can protect sinusoidal AC signal, pulsating DC signal and smooth signal reliably, which has higher design requirements than type A leakage circuit breaker.It ensures that under the following conditions.(A) is identical to Type A(B) Remaining sinusoidal ALTERNATING current up to 1000Hz(C) The remaining AC current superimposed with a smooth DC current of 04 times the rated remaining current(D) residual pulsating dc current plus 04 times rated residual current or smooth dc current of 10mA (larger value for both)(E) Residual DC current generated by the following rectifier circuits:for 2-pole, 3-pole and 4-pole leakage breakers, wire to wire half-wave bridge connections