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AT140A1018 40 VA Foot Mounted Transformer

SKU: AT140A1018/U

Pro Brand Logo

AT140A1018 40 VA Foot Mounted Transformer

SKU: AT140A1018/U

Versatile Circuit Power

These general purpose transformers provide power to 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings. AT140 is rated at 40 VA. All models meet NEC Class 2 not wet, and conform to UL Standard 1585.

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Specifications

Application Power To 24 VAC Circuits In Heating and Cooling Systems
NEMA Rating No
Primary Connection Size 9 in, 229 mm
Primary Input Voltage 120/208/240 Vac
Secondary Connection Type (2) screw terminals
Secondary Open Circuit Voltage 27 V.O.C.
VA Rating 40 VA
Frequency 60 Hz
Approvals and Standards UL Listed: A,C,F models. File # E14881, CSA Certified: A & B models
Includes Clamp, Mounting Plate, Mounting Feet
Color Metallic
Ambient Operating Temperature (Max) 105 °F, 41 °C
Ambient Operating Temperature (Min) -20 °F, -29 °C
Product Height 3.19 in
Product Length 2.38 in
Product Width 3.13 in
Warning
This product must be installed by a qualified/licensed contractor and set up with properly calibrated test equipment. Failure to have the installation performed by a qualified professional could result in substantial property damage, and even severe personal injury or death, and Resideo will not be responsible for any damages or injuries resulting from not observing this warning.

Product Overview

40 VA general purpose transformers power 24 Vac circuits.

  • Color-coded lead wires for primary connections and screw terminals for secondary connections
  • Includes fixed 1/4 inch (6mm) male quick-connects (AT140A models only) or color-coded lead wires for primary and secondary connections
  • Meets NEC Class 2 requirements and Underwriters Laboratories Standard UL 1585
  • Identified Class 2 not wet, Class 3 wet