1660-18911 Thermostat

The 1660-18911 thermostat is a watertight, dust tight and corrosion resistant temperature control in a lightweight die cast enclosure with an internal calibrated reference dial and tamperproof adjustment for outdoor or indoor locations. The liquid-filled thermal system, with its stainless steel sensor stem, provides a very dependable and accurate control system.

Enclosure: Die cast aluminum with polyamid epoxy coating, NEMA 4X; watertight, dust tight and corrosion resistant. Connection: Screw terminals on switch through 1/2-NPT hub Switch: SPDT UL listed with internal calibrated reference dial and tamperproof adjustment. Rating: 22 amps at 480 VAC. Range: 15° - 140°F Sensor: 304 SS sensor stem. Approval: UL listed/CSA certified. Accuracy: ±1% of adjustment range.   Download PDF Spec Sheet

Wiring

For heater control, low alarm
(close on falling temperature)
use COM and NC. For high
alarm (close on rising
temperature) use COM and NO..