Enclosed Pre-Wired Relay Coil Voltage 277V AC Contact Form SPST-NO Current Rating 10 A Mounting Style Surface Nipple Size 0.50 in NPT Contact Rating (AC) 10 A @ 277V Input Voltage 120 to 277V AC NEMA Enclosure Rating 1 Body Depth 1.5 in Body Height 1.5 in Body Width 1.7 in Delay Time 15 min For Use With Lighting Frequency 50/60 Hz Horsepower @ 120V AC 1/2 hp Horsepower @ 240V AC 1 hp Includes Magnetic Switch Retaining Clip Lead Length 16 in Lead Size 18 AWG