Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
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<strong>Control</strong>sWRWall Mounted RoomThermostatsTHERMOSTATS& CONTROLS• Heavy Duty25 Amps, 120 Vac22 Amps, 240 Vac18 Amps, 277 Vac• Positive Snap-Action Switch• 3 Degree <strong>Control</strong> Differential• UL Listed, CSA CertifiedDescriptionWR-80WR-80Range 40-80°F Internal Sensing ElementIndicating ThermometerWR-90External Sensing Bulb Range 20-90°FThe WR Series Room Thermostats aredesigned to directly control individual heatersor, by using an external contactor, can controlseveral heaters. The WR-90 is particularlyuseful for maintaining lower temperatures (inDimensionsWR-90garages, warehouses, etc.) <strong>and</strong> avoiding unnecessaryheating costs.Each design has accuracy <strong>and</strong> provides longreliable service with a 3 degree control differential.Both units are heavy duty, single stage,with a SPST line voltage snap-action switch<strong>and</strong> are fi nished with tough, metallic grayenamel housings.WARNING: Hazard of Fire. The WR thermostatsare designed for temperature controlservice only. Because they do not fail-safe,they should not be used for temperature limitingduty.2.75(70)2.5(64)2.25(57)2.56(65)2.5(64)6(152)5.37(137)Front View Side View Front View Side ViewWR-80WR-90All Dimensions in Inches (mm )Specifications <strong>and</strong> Ordering InformationModelTemp. Range(˚F)Voltage/Current120V 240V 277VStockWR-80 40 - 80 25A 22A 18A S 263177 1WR-90 20 - 90 25A 22A 18A S 263185 1Stock Status: S = stock AS = assembly stock NS = non-stockNote — 1. Pilot Duty rating, 125 VA for 120 - 277 Vac.PCNWt.(Lbs.)77
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