225kva Cast Coil Transformer 12.47kv To 480v Nema 3r Enclosure Doe 2016 IEEE ANSI Standards Epoxy Resin Cast Transformer
Summarize
Reliable, high-efficiency dry-type transformer built for North American projects. 225 kVA, three-phase, 12470Y/7200V → 480Y/277V, 60 Hz. Cast resin (no oil), Class F insulation, aluminum windings, forced-air fans, and weatherproof NEMA 3R steel enclosure — great for outdoor or indoor pad/floor installs.
Product Photos




Main data
| Transformer Type | Cast Resin Transformer (CRT) |
| Transformer Configuration | Dry Type, Ventilated |
| Phase | Three Phase |
| Capacity | 225 KVA |
| Vector Group | YNyn0 |
| Primary Voltage | 12470Y/7200V AC |
| Secondary Voltage | 480Y/277V AC |
| Frequency | 60 Hz |
| Temperature Rise | 80°C |
| Cooling | AN/AF |
| Insulation Class | Class F |
| Efficiency Standard(s) | DOE 2016, IEEE, ANSI |
| Winding Material | Aluminum |
| Ambient Temperature Rating | 40°C |
| Sound Level | 56 dBA |
| Enclosure Rating | NEMA 3R Weatherproof, UL50 |
| Efficiency % | 99.00% |
| No Load Loss (in watts) | +/- 700W |
| Full Load Loss (in watts) | +/- 2,900W |
Technical drawings
winley electric’s cast coil transformers are designed, built, and tested in accordance with the highest industry standards including NEMA, ANSI, DOE, AS60076,and IEEE as applicable.


WINLEY Cast Coil Transformer — Performance & Advantages
Production process


