NEMA Combination Starter, Coil Voltage 120V AC, Current AC 18 A, Horsepower @ Three Phase - 600V AC 5 hp, Maximum Voltage Rating 600V AC, NEMA Enclosure Rating 12, NEMA Size 0, Starter Style NEMA, Reversing Capability Non-Reversing, Auxiliary Contact Form Not Applicable, Short Circuit Protection Fusible Disconnect, Includes Control Transformer No, Trip Class 10/20, Horsepower @ Three Phase - 208V AC 3 hp, Control Transformer Voltage Not Applicable, Series 8538