BP32 Series Switch-disconnector 1.AC circuit of AC50~60Hz and rated voltage 660V, 2.DC circuit of rated voltage 440V BP32 Series Switch-disconnector The Switch-disconnector can be applied to power distribution system, applicable for AC circuit of AC50~60Hz and rated voltage 660V, or DC circuit of rated voltage 440V, used for making and breaking the circuit. BP32 Series Switch-disconnector