Heat Trace Product Catalog

1660-18915 Thermostat

The 1660-18915 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: 25° - 325°F (-3° to 163°C)
Sensor: 10 ft. 304 SS capillary with 1/4" SS bulb
Approval: UL listed/CSA certified.
Accuracy: ±1% of adjustment range.
13A11

 

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.

 

 

 Accessories
 Part Number  Description Quantity
 1660-18915  NEMA 4X Aluminum Thermostat 25° - 325°F (-3° to 163°C) Range