AT72D1188/U Transformer, 40 VA, 120 V Primary, 24 V Secondary, Box Plate
- Part #
- AT72D1188/U
- UPC
- 085267035958
- Type
- Transformers
$59.01
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Full specifications 5 manufacturer documents
Gas, electrical and venting work should be done by a licensed professional.
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Product details
AT72D1188/U — Transformer, 40 VA, 120 V Primary, 24 V Secondary, Box Plate.
Aquastats, switching relays, transformers, contactors, sensors and switches that tie thermostats, boilers and pumps together.
Specifications
| Part Number | AT72D1188/U |
|---|---|
| Application | 40 VA transformers power 24 V systems including thermostats, gas valves and relays. |
| NEMA Rating | Yes |
| Primary Connection Size | 9 in, 229 mm |
| Primary Connection Type | Leadwires: Black and White |
| Primary Input Voltage | 120 V ac |
| Secondary Connection Size | 9 in, 229 mm |
| Secondary Connection Type | Leadwires |
| 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 |
| Ambient Operating Temperature (Max) | 105 °F, 41 °C |
| Ambient Operating Temperature (Min) | 20 °F, -29 °C |
| Product Height | 3.22 in, 81.8 mm |
| Product Width | 2.22 in, 56.4 mm |
| UPC | 085267035958 |
| Country of Origin | CN |
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)


