Enclosed Pre-Wired Relay Coil Voltage 277V AC Contact Form DPDT Current Rating 10 A Mounting Style Surface Nipple Size 0.50 in NPT Contact Rating (AC) 10 A @ 277V Contact Rating (DC) 10 A @ 30V Input Voltage 208 to 277V AC/DC 24V AC NEMA Enclosure Rating 1 Body Depth 1.5 in Body Height 2.8 in Body Width 1.7 in Contact Material Silver Alloy For Use With Exhaust Fans Motors Vacuums Frequency 50/60 Hz Horsepower @ 120V AC 1/3 hp Horsepower @ 240V AC 1/3 hp Lead Length 16 in