For Sale by H C Transformer & Switchgear
Description
🚀 Ready-to-Ship! Contact us now to receive the As-Built Drawings and Test Reports immediately.
This premium 2500 kVA three-phase pad-mounted transformer is manufactured by HC Transformer & Switchgear (IEN Hanchang) a premier manufacturer with over 50 years of industry experience supplying products to the U.S. power distribution market.
Designed for high-end utility and heavy industrial applications, this unit features an ultra-high-voltage 34,500V Delta primary with a superior 150kV BIL insulation rating.
It is UL Listed and fully compliant with 2016 DOE efficiency standards. Currently in stock and ready for immediate loading with full documentation
Key Specifications
Capacity : 2500 kVA (Three-Phase, 60Hz, ONAN)
- Voltage : 34,500V Delta primary to 480Y/277V
- Insulation Level : 150 kV BIL (HV) / 30 kV BIL (LV) — Advanced Surge Protection
- Protection System : 38kV-Class Dual Fusing – Bay-O-Net(65A) + Current Limiting Fuse(140A)
Tap Changer : 7-Position De-energized Tap Changer (DETC) – Range: 35.3kV to 23.0kV
Vector Group : Dyn1 (Optimized for grounding & harmonic mitigation)
Switching : Cooper 4-Position Loadbreak T-Blade Switch
- Efficiency: Fully compliant with DOE 2016 Standard
Detailed Specifications
| Feature | Specification |
| Manufacturer | HC Transformer & Switchgear (IEN Hanchang) |
| Cooling / Fluid | ONAN / Type II Mineral Oil (680 GAL, PCB Free < 2ppm) |
| Winding Material | Aluminum |
| 7-Tap Settings | 35362, 34500 (Nominal), 33000, 26400, 25560, 24940, 23000 V |
| H.V. Connection | 35kV, 600A Bushing (6 Qty) |
| L.V. Connection | 2.5kV, 3300A Bushing (10-Hole, 4 Qty) |
| Total Weight | 17,445 lbs (Approx. 8.7 Tons) |
| Enclosure | NEMA 3R Tank with Penta-head security bolts |
| Color | Munsell #7.0GY-3.29/1.5 (Green) |
🌟 Why HC TNS? (Your Trusted Power Partner)
Beyond just a sale—Integrated solutions for your project’s success.
- [Ready-to-Ship] : Immediate delivery from our extensive stock. This 2500 kVA unit is "As-Built" and available for rapid deployment.
[Fast-Track] : Custom-built units with the industry’s shortest lead times for your specific requirements.
[Professional] : Expert on-site installation and emergency repair services provided by senior engineers.
- [Proven Quality] : Over 50 years of manufacturing expertise, specializing in high-reliability pad-mounted designs and UL Listed (E362009) compliance



