Electronic Temperature Control, Switch Type SPDT, Switch Action Open/Close on Rise, Voltage Range 120/208/240V AC, Control Range -30 Degrees to 220 Degrees F, Differential 1 Degrees to 30 Degrees F, Number of Relay Inputs 1, Number of Relay Outputs 1, Full Load Amps @ 120VAC 5.8A (NC), 16A (NO), Full Load Amps @ 240VAC 2.9A (NC), 8A (NO), Sensor Type Thermistor, Sensing Bulb Dia. 1/4 in, Sensing Bulb Length 2 in, Enclosure Type NEMA 1, Height 6 1/2 in, Width 2 3/4 in, Depth 2 1/2 in, Color Gray