Safe & Durable 500KVA 0.69KV 11KV Three Phase Oil Type Distribution Transformer for Town Grid Expansion and Distribution Upgrade Direct Supply
CE-certified 500KVA oil transformer for grid expansion. Features explosion-proof design, corrosion resistance for harsh environments, and customizable capacity. Ensures reliable power with ≥20-year lifespan.
500KVA Distribution Transformer
,0.69KV Distribution Transformer
,Town Grid Distribution Transformer

Safe & Durable 500KVA 0.69KV/11KV Three-Phase Oil-Immersed Distribution Transformer
This oil-immersed transformer is designed for town grid expansion and distribution upgrades, providing efficient, stable, and safe power solutions. Suitable for industrial, commercial, and municipal power networks, it can handle high load operations while reducing energy consumption and operating costs. Our factory offers customized solutions to ensure every transformer meets the specific needs of your site applications.
- High Safety Design: Explosion-proof, fire-resistant, suitable for high-temperature and coastal humid environments
- High Efficiency Operation: Low no-load loss, energy-saving, and environmentally friendly
- High Reliability: Premium core and winding materials with strong short-circuit resistance
- Wide Application: Industrial, commercial, municipal power grids, and town distribution
- Customizable Service: Supports different capacities, voltages, and special application requirements
- Easy Maintenance: Compact structure for easy installation and periodic inspection
| Parameter | Specification | Description |
|---|---|---|
| Model | HENTG-500KVA-0.69/11 | Standard model, customizable |
| Capacity | 500 KVA | Customizable 250~1000 KVA |
| HV Rated Voltage | 11 kV | Can be customized |
| LV Rated Voltage | 0.69 kV | Stable low-voltage output |
| Phase | Three-phase | Suitable for industrial and town distribution |
| Frequency | 50/60 Hz | Global application |
| Cooling Type | Oil Natural Cooling (ONAN) | Efficient heat dissipation, long service life |
| Core Material | High-silicon Steel | Low iron loss, vibration-resistant |
| Winding Material | High-conductivity copper or aluminum | High reliability, low temperature rise |
| Insulation Class | F or H | High-temperature resistant, anti-aging |
| Protection Level | IP23/IP32 | Dust-proof, water-proof, corrosion-resistant |
| Noise Level | ≤55 dB | Suitable for urban and industrial environments |
| Short-time Withstand Current | 2.5 In / 2s | High short-circuit tolerance |
| Installation | Outdoor/Indoor | Flexible for different sites |
| Others | Optional Monitoring Devices | Temperature, oil level, pressure monitoring |







Market Challenges:
- High-temperature regions or coastal countries are prone to transformer overheating, self-ignition, and corrosion risks
- Increasing power demand leads to high grid loads; ordinary transformers are at risk of overloading
HENTG Solutions:
- Explosion-Proof Design: Pressure relief valves and explosion-proof tanks prevent overpressure incidents
- High-Temperature Tolerance: F/H-class insulation and optimized oil circulation ensure stable operation above 50℃
- Corrosion Protection: Anti-corrosion paint for outdoor use; resistant to coastal salt spray
- Custom Capacity & Voltage: Designed according to load characteristics to prevent overheating
- Optional Smart Monitoring: Real-time sensors for temperature, oil level, and pressure prevent accidents
- Q: Is the oil-immersed transformer suitable for coastal areas?
A: Yes, our transformers feature anti-corrosion coating and salt-spray-resistant design, ideal for humid coastal environments. - Q: Will high temperatures affect the lifespan?
A: No, we use F/H-class insulation and optimized oil circulation to ensure safe and stable operation in high-temperature conditions. - Q: Can the capacity be customized for specific projects?
A: Yes, we support 250~1000KVA capacity customization for industrial, commercial, and municipal needs. - Q: Are these transformers suitable for EPC projects?
A: Absolutely. We provide complete solutions and technical support for easy installation and operation in EPC projects. - Q: Is installation and maintenance complicated?
A: Not at all. The compact structure and standard interfaces make routine inspection and maintenance simple. - Q: How is the explosion-proof feature implemented?
A: Equipped with pressure relief valves, explosion-proof tanks, and optional smart monitoring systems to prevent overpressure and high-temperature hazards.
HENTG Power specializes in transformer R&D and manufacturing, offering customized power solutions for industrial, commercial, and municipal clients worldwide. With advanced production equipment and strict quality control, we ensure every transformer operates safely, efficiently, and reliably for the long term.
Customize your high-efficiency, safe oil-immersed transformer now and enhance power reliability!
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