AT72D1683/U Multi Mount 40VA Transformer
- Part #
- AT72D1683/U
- UPC
- 085267990103
- Type
- Transformers
$52.17
Available · ships in 1–2 business days
Free shipping to the contiguous US. No minimum.
Delivery estimate
- Order
- Ships
- Arrives
Estimate for ground shipping within the contiguous US.
- Finish
- Metallic
Full specifications 5 manufacturer documents
Gas, electrical and venting work should be done by a licensed professional.
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Product details
AT72D1683/U — Multi Mount 40VA Transformer.
Aquastats, switching relays, transformers, contactors, sensors and switches that tie thermostats, boilers and pumps together.
Specifications
| Part Number | AT72D1683/U |
|---|---|
| Type | Control transformer |
| Rating | 40 VA |
| Secondary | 24 Vac |
| Mounting | Multi Mount |
| Shipping Weight | 2.1 lb |
| NEMA Rating | Yes |
| Primary Input Voltage | 120 V ac |
| Secondary Connection Type | (2) screw terminals |
| Secondary Open Circuit Voltage | 26.5 V.O.C. |
| VA Rating | 40 VA |
| Frequency | 50 Hz; 60 Hz |
| Approvals and Standards | UL Component Recognized, CSA Certified, NEC Class 2 |
| Includes | Mounting Plate |
| Color | Metallic |
| Ambient Operating Temperature (Max) | 105 °F, 41 °C |
| Ambient Operating Temperature (Min) | 20 °F, -29 °C |
| Product Height | 3.22 in |
| Product Length | 2.22 in |
| Product Width | 3.06 in |
Manufacturer documents
- Installation Instructions for AT20, AT40, AT72D, AT87, AT88 Transformers (English, French)
- Transformers -Legacy Product Document
- Installation Instructions for AT72D Transformers SUPER Tradeline (English)
- Heating and Cooling Components Application Selection and Cross Reference Guide (English)
- Residential Combustion Application Selection and Cross-Reference Guide (English)


