cast aluminum w/ gray aluminum lacquer. NEMA 4X, 7, 9; weatherproof,
explosion proof. Class I: Groups B, C, D; Class II Groups E,
F, G, Class III.
terminals on terminal block through 3/4-NPT hub
Switch SPDT UL
listed with external knob/dial adjustment and tamperproof cover
Rating 22 amps at 480 VAC.
Range 15¡ã- 140¡ãF.
Sensor 304 SS sensor stem.
Approval UL listed.
Accuracy ¡À1% of adjustment range.
The 1660-18912 thermostat is a watertight, dust tight and corrosion
resistant temperature control in a lightweight die cast enclosure
with a calibrated dial and an external knob adjustment for outdoor
or indoor locations. The thermostat is approved for use in Class
I, Groups B, C and D; Class II, Groups E, F, and G; and Class
III hazardous locations. The liquid-filled thermal system, with
its stainless steel sensor stem, provides a very dependable
and accurate control system.