NEMA Magnetic Motor Starter, Overload Relay Amp Setting 30 to 150A, Coil Volts 120V AC, Enclosure NEMA Rating No Enclosure, Auxiliary Contact Form 1NO, HP @ 3 Phase - 240V 50 hp, HP @ 3 Phase - 480V 100 hp, Starter Type NEMA Style, Action Reversing, Hz 50/60, Number of Poles 3, Amps AC 135, NEMA Size 4, Width 7.1 in, Features Auxiliary Contact, Contactor, Electronic Overload, Includes Auxiliary Contact, Contactor, Electronic Overload, HP @ 3 Phase - 575V 100 hp, HP @ 3 Phase - 208V 40 hp