For Sale by H C Transformer & Switchgear
Description
🚀 Ready-to-Ship! Contact us now to receive the As-Built Drawings and Test Reports immediately
High-specification 1500 kVA three-phase pad-mounted transformer manufactured by HC TNS (IEN Hanchang), a premier manufacturer with over 50 years of industry experience supplying the U.S. power distribution market.
This premium unit features a 24,940V Delta primary with an exceptional 150kV BIL rating, specifically engineered for maximum reliability in high-voltage utility and large-scale industrial applications. It is UL Listed and fully compliant with 2016 DOE efficiency standards
Key Specifications
Capacity : 1500 kVA (Three-Phase, 60Hz, ONAN).
Voltage Ratio : 24,940V Delta (High Voltage) to 480Y/277V.
Insulation Level (BIL) : 150 kV BIL (HV) – Offers exceptional protection against lightning strikes and switching surges, a premium feature for 1500kVA units.
Tap Changer : 7-Position De-energized Tap Changer (DETC) – Provides a wide voltage regulation range from 26.4kV down to 20.2kV.
Vector Group : Dyn1 – Optimized for system grounding and harmonic mitigation.
Protection System : 38kV-Class Dual Fusing – Equipped with Bay-O-Net and Current Limiting Fuses for maximum safety.
- Efficiency & Certification : DOE 2016 Compliant / UL Listed (File E497471)
Detailed Specifications
| Feature | Specification |
| Manufacturer | HC TNS (IEN Hanchang, Republic of Korea) |
| Cooling / Fluid | ONAN / Type II Mineral Oil (610 GAL, 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, 2200A Bushing (6-Hole, 4 Qty) |
| Total Weight | 13,740 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!



