Circuit Transformer
Description
The AT72D is a multimounting, stepdown transformaer for use in 24 Vac control systems. It is listed by Underwriters Laboratories Inc. and Canadian Standards Associations, and meets NEC Class 2 not wet Class 3 wet requirements. It also complies with 24 V NEMA Type D requirements as specified by NEMA Standard ST2-1979.
AT72D mounting options include foot mounting. plate mounting; plate mounting (transformer all above plate, or 3/4 above plate) for use in 4 x 4 in., 4 in octagon, and 2 x 4 in. electrical boxes; and clam mounting via a junction box knockout.
Specification
| Application | 24 V Controls |
| Voltage (Primary) | 120V |
| Voltage (Secondary) | 26.5 V.O.C. |
| Mount | Plate Foot Clamp |
| Width | 2-7/32" |
| Height | 3-7/32" |
| Depth | 3-1/16" |
| VA Rating | 40 |
| Wiring | 9" Leadwires 2 Screw Terminals |
| Electrical Output | 24 Vac at 40 VA |
| Hertz | 60 50 |
| Temperature Range | -20º-105ºF |
| NEMA rating | Type D |
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