Price on request
Three-phase oil-immersed pad-mounted distribution transformer. 500 kVA, 24.94 kV (Delta) primary to 480Y/277 V secondary, 60 Hz, ONAN. Availability on request — contact us for pricing and lead time.
The Evensonpower 500 kVA Pad-Mounted Transformer — 24.94 kV Δ to 480Y/277 V (3-Phase) is a three-phase, oil-immersed (ONAN) distribution transformer rated 500 kVA, stepping a 24.94 kV (25 kV class) Delta primary down to a 480Y/277 V grounded-wye secondary at 60 Hz. Built to IEEE/ANSI C57.12 and DOE 2016 efficiency standards for utility, industrial, data-center and crypto-mining power distribution.
Availability and lead time on request — contact us for pricing.
| Manufacturer | Evensonpower |
|---|---|
| Type | Three-Phase Pad-Mounted Distribution Transformer |
| Cooling | ONAN (Oil Natural, Air Natural) |
| Rated Power | 500 kVA |
| Frequency | 60 Hz |
| Phases | 3 |
| Primary Voltage (HV) | 24.94 kV (25 kV class) |
| HV Taps (DETC) | 26190-25560-24940-24320-23690 |
| HV Connection | Delta |
| Secondary Voltage (LV) | 480Y/277 V |
| LV Connection | Grounded Wye |
| Basic Impulse Level (BIL) | 125 kV |
| Tap Changer | De-energized (DETC) |
| Impedance | ≈ 5.75 % |
| Temperature Rise | 65 °C |
| Insulation Class | 105 (Class A) |
| Insulating Fluid | Mineral oil (FR3 ester optional) |
| Windings | Copper or Aluminum |
| Core | Grain-oriented silicon steel |
| Efficiency | DOE 2016 (10 CFR 431) compliant |
| Standards | IEEE/ANSI C57.12.00 · C57.12.34 · C57.12.28 · IEC 60076 · NEMA |
| Certifications | UL/cUL · CSA · CESI · ISO 9001 · CE |
| Enclosure | Pad-mounted, tamper-resistant |
| Availability | On request |
