Ambient Sensing Thermostat NEMA 4X
The1660-18911 thermostat is a watertight, dust tight and corrosion resistant temperature control in a lightweight die cast enclosure with an internal calibrated reference dial and tamper-proof 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.
For heater control, low alarm (close on falling temperature) use COM and NC. For high alarm (close on rising temperature) use COM and NO.
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 certied
Accuracy: ±1% of adjustment range