30 Hp with V.F.D.
430.6 & 430.150
30 hp =40amps at 460 volts
40x150%=60amps
wire size=3#6s &1#10
Disconnect Switch=60amp
Should disconnect switch be up sized to 100 amp (fuseable).Seems to be hitting it right on the mark? wondered if maybe to close??
75hp 460v 3 phase (96 amps)
96x150%=144 amps
wire size=3#1s&1#8
Disconnect switch =100amps
Hows it look guys don;t have into off name plates of VFD so using 430.6c
