molded case circuit breaker, compact structure, and small volume, high breaking capacity, short arcing distance. circuit breaker Rated current of frame size lnm(A)100Type KWN-100CKWN-100SRated current ln(A)10,16,20,25,32,40,50,63,80,100Number of poles3434Rated insulation voltage Ui (V)AC690Rated operating voltage Ue (V)AC400Rated impulse withstand voltage Uimp (V)8000Arcing distance(mm)≤50Rated ...