MCCB, moulded case circuit breaker compact structure quite small volume high breaking capacity short arcing distance MCCB moulded case circuit breaker Rated current of frame size lnm(A)160Type KWN-160CKWN-160SKWN-160GRated current ln(A)16,20,25,32,40,50,63,80,100,125,160Number of poles343434Rated insulation voltage Ui (V)AC690Rated operating voltage Ue (V)AC400Rated impulse withstand voltage Uimp ...