NEMA Control Relay, Current Rating 20 A, Contact Form 4NO, Coil Voltage 110/120V AC, Contact Rating (AC) 10 A @ 600V, Relay Style NEMA, Electrical Connection Screw Clamp, Mounting Style Surface, Power Consumption 23 VA, Compatible with Series 8501 Type X Latching Control Relays, Maximum Operating Temperature 160 Degrees F, Frequency 50/60 Hz, Body Depth 3.95 in, Body Height 3.5 in, Body Width 2.23 in, Contact Material Silver Cadmium Oxide, Input Voltage 110/120V AC, Lead Size 18 AWG