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 1000 kVA three-phase pad-mounted transformer manufactured by HC TNS (IEN Hanchang).
This premium unit features a 24,940V Delta primary with a high-level 150kV BIL insulation rating, designed for maximum reliability in high-voltage utility and industrial applications.
It is UL Listed (E362009) and fully compliant with 2016 DOE efficiency standards. This unit is currently in stock and available for immediate dispatch to support your critical infrastructure projects.
Key Specifications
Capacity : 1000 kVA (Three-Phase, 60Hz)
- Voltage : 24,940V Delta (High Voltage) 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) – Superior Voltage Regulation
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 |
| Cooling / Fluid | ONAN / Type II Mineral Oil (PCB Free < 2ppm) |
| Winding Material | Aluminum |
| BIL Rating | 150 kV (HV) / 30 kV (LV) |
| Fusing System | 38kV-Class Bay-O-Net (40A) + Current Limiting Fuse (120A) |
| 7-Tap Settings | 26400, 24940, 23900, 22860, 21600, 21000, 20270 V |
| H.V. Connection | 35kV, 200A Bushing (6 Qty) |
| Total Weight | 11,160 lbs |
🌟 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!



