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 1500 kVA three-phase pad-mounted transformer is manufactured by HC Transformer & Switchgear (IEN Hanchang). 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.
Capacity : 1500 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 + Current Limiting Fuse
Tap Changer : 7-Position De-energized Tap Changer (DETC) – Range: 26.4kV to 20.2kV
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 (610 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 | 1.2kV, 2200A Bushing (6-Hole, 4 Qty) |
| Total Weight | 13,745 lbs (Approx. 6.2 Tons) |
| Enclosure | NEMA 3R Tank with Penta-head security bolts |
🌟 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 (300 kVA – 3,750 kVA).
[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 U.S. electric expertise, specializing in high-reliability pad-mounted designs and UL Listed (E362009) compliance.
Inquire today for 7-Tap specifications and the fastest delivery schedule!



