Wide Voltage Range Adaptability Three-Phase 100KVA Auto Transformer 11KV to 0.4KV for Electrical Substations Factory Price
100KVA auto transformer with wide voltage adaptability (±10%), high efficiency, and compact design. CE certified, customizable for harsh environments, fire/explosion proof. Ideal for substations and industrial use.

Wide Voltage Range Adaptability Three-Phase 100kVA Auto Transformer 11kV/0.4kV for Electrical Substations Factory Price
This auto transformer features high-performance core and low-loss copper winding design, suitable for industrial, power, and infrastructure projects. It offers wide voltage adaptability, high efficiency, compact size, and easy installation and maintenance. Custom solutions are available to meet client requirements, suitable for high-temperature, humid, and harsh environments.
- Wide Voltage Adaptability: Supports ±10% voltage fluctuation, ensuring safe and stable operation.
- High Efficiency & Low Loss: Made with premium silicon steel and copper winding, reducing energy consumption.
- Compact Design: Small footprint for easy installation in limited space areas.
- High-Temperature Resistance: Reinforced cooling system suitable for hot climates.
- Fire & Explosion Proof: Full insulation materials and fireproof coating minimize accident risks.
- Customizable Solutions: Capacity, voltage levels, and protection ratings can be tailored to client needs.
| Technical Parameter | Description |
|---|---|
| Model | HENTG-AUTO-100kVA |
| Power Capacity | 100 kVA |
| Phase | Three-phase |
| High Voltage Side | 11kV |
| Low Voltage Side | 0.4kV |
| Voltage Regulation Range | ±10% |
| Cooling Method | AN / ONAN / ONAF (customizable) |
| Winding Material | High-purity copper or aluminum |
| Core Material | Cold-rolled silicon steel |
| Insulation Class | Class F (155°C) |
| Protection Class | IP23/IP33 (optional) |
| Frequency | 50Hz / 60Hz |
| Noise Level | < 55dB (depending on capacity) |
| Installation | Indoor or outdoor (with optional rainproof cover) |
| Special Features | High-temperature resistance, fire & explosion proof, moisture-proof, corrosion-resistant |






- Transformers overheat in high-temperature regions, risking self-ignition or burnout.
- Humid environments can cause winding short circuits or corrosion.
- EPC projects require diverse specifications that standard products cannot always meet.
- High-Temperature Cooling: Reinforced air/oil cooling systems improve heat dissipation.
- Fire & Explosion Proof Materials: Full insulation and fireproof coatings prevent fire caused by local overheating.
- Moisture & Corrosion Protection: Outdoor models with waterproof coating and sealed enclosures prevent water ingress.
- Custom Solutions: Tailored voltage levels, capacity, and installation methods to meet diverse EPC project requirements.
Q: Is this auto transformer suitable for high-temperature regions?
A: Yes, it features reinforced cooling and fireproof materials, ensuring safe operation in high temperatures.
Q: Can the transformer be customized for different capacities and voltage levels?
A: Absolutely. We offer a range from tens to hundreds of kVA, with customizable high and low voltage options.
Q: Is the product fire and explosion proof?
A: Yes, it uses full insulation materials and fireproof coatings to minimize risks of fire caused by overheating or short circuits.
Q: Can it be installed outdoors?
A: Yes, outdoor models come with rainproof covers and sealed enclosures for long-term stable operation.
Q: Is it suitable for EPC projects?
A: Yes, we provide customized solutions and technical support to meet large-scale project requirements.
Q: How is noise controlled?
A: Optimized core and winding design keeps noise under 55dB, meeting industrial and urban standards.
HENTG Power is a professional transformer manufacturer and custom solution provider, based in China, with over 20 years of experience in industrial transformer R&D and production. Our products include auto transformers, dry-type transformers, oil-immersed transformers, and various special transformers, widely used in power, industrial, construction, and infrastructure projects.
We offer full customization services, including capacity, voltage levels, protection ratings, and environmental adaptability to meet global market needs. HENTG Power is committed to high quality, high efficiency, and customer-first principles, with strict quality control and international certification, ensuring every product is safe and reliable.
Website: www.hentgpower.com
-
Epoxy Resin Dry Type Distribution Transformer 80 Kva 3 Phase With Triple Winding Coil
Epoxy Resin Dry Type Distribution Transformer 80 Kva 3 Phase With Triple Winding Coil Product Specifications Attribute Value Type Power transformer, distribution transformer, Dry Type Transformer Frequency 50Hz, 60Hz Winding Material Copper Application Power Phase Three Coil Structure Layered Winding Coil Number Triple-winding coil Input Voltage 10kV Output Voltage 400V Cooling Method Fan System Vector Group Dyn11/Yyn0 Transformer type Dry Isolation Insulation Material Epoxy
-
50Hz Medium Voltage Dry Type Transformer 30KVA Step Up Down Instrument Transformer
50Hz Medium Voltage Dry Type Transformer 30KVA Step Up Down Instrument Transformer Product Specifications Attribute Value Type Distribution transformer Material Copper, Copper Winding Frequency 50Hz, 60Hz Shape Rectangle Winding Material Copper Application Potential Phase Three Coil Structure TOROIDAL Coil Number Multi-winding coil Input Voltage 10kV, 6kV, 6.3kV Output Voltage 0.4kV Rated Capacity 30KVA-2500KVA Cooling Method ANAF Core Material CRGO Silicon Steel Core Feature
-
3 Phase Power Transformer 800KVA 1000KVA 1250KVA Dry Type Step Up Transformer
3 Phase Power Transformer 800KVA 1000KVA 1250KVA Dry Type Step Up Transformer Product Specifications Attribute Value Type Distribution transformer, Power Isolation Transformer Frequency 50Hz, 60Hz Winding Material Aluminum Application Power Phase Three Coil Structure Layered Winding Coil Number Triple-winding coil Input Voltage 3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 220kV, 400kV, 115kV, 132kV Output Voltage 5V, 400V, 208V, 200V, 415V, 127V, 11kV, 12V, 24V, 48V, 110V, 220V,