Resideo AT40A1139 NEMA D Standard Universal Stripped-Down Transforme

Brand: Resideo
SKU: AT40A1139
Order QuantityUnit Price
Each$24.89
In Stock! Ships in 24 hours
Availability: 21


• Channel frame mounting feet and slots allow for the three mounting positions.
• Color-coded leadwires for primary connections.
• Overload protection provided.
• Energy limiting, meet NEMA DC20-1992 Standard.
• Meet NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements.
• Mount within proper enclosure.NEMA D Standard Universal Stripped-Down Transformer, 240V

Tradeline ValueTradeline
OverviewPower a 24V control system; for direct mounting, or horizontal or vertical foot-mounting.
Electrical Ratings -Primary Voltage240 Vac
Electrical Ratings -Secondary Voltage26.5 V.O.C.
Frequency60 Hz
MountingChannel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting.
NEMA RatingNEMA type D
Electrical Connections (Primary)(in.)9 in. color coded primary and secondary leadwires
Electrical Connections (Primary)(mm)229 mm color coded primary and secondary leadwires
Electrical Connections (Secondary)(in.)9 in. color coded primary and secondary leadwires
Electrical Connections (Secondary)(mm)229 mm color coded primary and secondary leadwires.
Electrical Ratings -Output24 Vac at 40 VA
Dimensions (in.)2 3/32 in. high x 2 5/8 in. wide x 2 3/16 in. deep
Dimensions (mm)53 mm high x 67 mm wide x 56 mm deep
Temperature Ratings (F)-20 F to +105 F
Temperature Ratings (C)-29 C to +41 C
Approvals, Underwriters Laboratories IncUL Component Recognized.
Approvals, Canadian Standards AssociationCertified
List Price52.78

Product Family

Model NumberDecriptionManufacturerPriceAvail. Qty 
AT20A1123 NEMA B Standard Universal Stripped-Down Transformer, 120V Resideo $34.05 4    Add To Cart
AT40A1121 NEMA D Standard Universal Stripped-Down Transformer, 120V Resideo $40.17 10    Add To Cart
AT40A1139 NEMA D Standard Universal Stripped-Down Transforme Resideo $24.89 21    Add To Cart

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Manufacturer Suggested Replacement

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