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Honeywell T451;T651 Medium Duty Line Voltage Thermostat

Medium Duty Line Voltage Thermostat

Light Duty Line Voltage Thermostats control line voltage valves, motors, contractors, electric heat, elements, duct furnaces, and fan coil units in heating/cooling systems

• Automatic cooling and heating anticipation.
• Mount on standard vertical or horizontal outlet box.
• Use with Q651A, B subbases for system and fanswitching



Select a link under the "item" tab below to order.

Cat #SystemSetting Temperature RangeApplication:Differential Temperature
T451A3005-44 F to 86 FHeating2 F
T451B3004-50 F to 86 FHeating2 F
T651A3018heating and cooling44 F to 86 FHeating and Heating and cooling2 F
T651A3026heating and cooling-Heating and cooling Celsius
Dimensions, Approximate: 4 1/2 in. high x 2 15/16 in. wide x 1 1/2 in. deep (switches and wiring terminals protrude into outlet box 3/4 in.) (115 mm high x 75 mm wide x 39 mm deep (switches and wiring terminals protrude into outlet box 19 mm))
Electrical Ratings: 9.8 FLA / 58.8 ALR @ 120 Vac
5.6 FLA / 33.6 ALR @ 208 Vac
4.9 FLA / 29.4 ALR @240 Vac
4.2 FLA / 25.2 ALR @277 Vac
22 A @ 120 - 240 Vac Resistive
19 A @ 277 Vac Resistive.
Electrical Connections: Flylead
Voltage: 120 Vac - 227 Vac
Frequency: 50/60 Hz
Sensor Element: Vapor filled dual diaphragm
Color: Champagne gold face-plate with beige cover
Canadian Standards Association: CSA Certified, File No. LR1322
Underwriters Laboratories Inc. Listed: File No. E47434, Guide No. XAPX.

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