Attributes . 5 hp 120 V at AC 60 Hz for 1 phase || 10 hp 240 V at AC 60 Hz for 1 phase || 20 hp 208 V at AC 60 Hz for 3 phase || 20 hp 240 V at AC 60 Hz for 3 phase || 40 hp 480 V at AC 60 Hz for 3 phase || 50 hp 600 V at AC 60 Hz for 3 phase . Names