NEMA Combination Starter, Coil Voltage 120V AC, Current AC 45 A, Horsepower @ Three Phase - 600V AC 25 hp, Maximum Voltage Rating 600V AC, NEMA Enclosure Rating 1, NEMA Size 2, 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 10 hp, Control Transformer Voltage Not Applicable, Series 8538