H5187 NEMA Magnetic Motor Starter Overload Relay Amp Setting 40 to 135A Coil Volts 480VAC Enclosure NEMA Rating 3R 12 Auxiliary Contact Form 1NO HP @ 3 Phase - 240V 50 HP @ 3 Phase - 480V 100 Starter Type NEMA Style Action Nonreversing Hz 50/60 Number of Poles 3 Amps AC 135 NEMA Size 4 Width 12.84 In. Features Class 20 Solid State Ambient-Compensated Overload Relay and Instantaneous Magnetic Trip Mechanism