For Sale by H C Transformer & Switchgear
Description
🚀 [READY-TO-SHIP] New/Surplus Pad-Mounted Transformers
Contact us now to receive the As-Built Drawings and Test Reports immediately
High-specification 750 kVA three-phase pad-mounted transformer manufactured by HC TNS (IEN Hanchang). This unit features a high-voltage 24,940V Delta primary with an exceptional 150kV BIL rating, specifically engineered for demanding utility and industrial distribution networks.
UL Listed (E362009) and fully compliant with 2016 DOE efficiency standards. Currently in stock and available for immediate dispatch.
Key Specifications
Capacity: 750 kVA (Three-Phase, 60Hz)
Voltage Ratio: 24,940V Delta (High Voltage) to 480Y/277V
Insulation Level: 150 kV BIL (HV) / 30 kV BIL (LV) — Superior Protection
Tap Changer: 7-Position De-energized Tap Changer (DETC)
Vector Group: Dyn1 (Optimized for grounding & harmonic mitigation)
Efficiency: Fully DOE 2016 Compliant
- Certification: UL Listed (File E362009)
Detailed Specifications
| Feature | Specification |
| Manufacturer | HC TNS (IEN Hanchang) |
| Cooling / Fluid | ONAN / Type II Mineral Oil (PCB Free < 2ppm) |
| Winding Material | Aluminum |
| 7-Tap Settings | 26400, 24940 (Nominal), 23900, 22860, 21600, 21000, 20270 V |
| H.V. Connection | 35kV, 200A Bushing (6 Qty) |
| L.V. Connection | 1.2kV, 1100A Bushing (6-Holes) |
| Total Weight | 8,910 lbs (Approx. 4.0 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!



