Durable and Corrosion-resistant Three-Phase 160KVA Auto Transformer 11kV to 0.4KV for Transmission and Distribution Systems Manufacturer
160KVA auto transformer (11kV/0.4kV) with CE certification. Durable, corrosion-resistant design ensures reliability in harsh environments. High efficiency (≥98%), customizable options, and advanced thermal management for industrial power systems.

Our Three-Phase 160KVA Auto Transformer is engineered for efficient power transmission and distribution in industrial, commercial, and urban infrastructures. Designed with durability and corrosion resistance in mind, it ensures long-term reliability even in challenging environmental conditions. With precision engineering and advanced thermal management, this transformer delivers stable performance while reducing energy loss and maintenance requirements.
- Durable Construction: High-grade steel and copper components for long-term reliability.
- Corrosion Resistance: Special anti-corrosion coating ensures performance in harsh environments.
- High Efficiency: Optimized core and winding design reduce energy loss, lowering operational costs.
- Compact & Lightweight: Space-saving design simplifies installation in constrained sites.
- Reliable Thermal Management: Advanced cooling system prevents overheating in high-temperature regions.
- Customizable Options: Voltage, capacity, and insulation can be tailored for specific project requirements.
| Parameter | Specification |
|---|---|
| Type | Three-Phase Auto Transformer |
| Rated Power | 160KVA |
| Primary Voltage | 11kV |
| Secondary Voltage | 0.4kV |
| Frequency | 50Hz / 60Hz |
| Insulation Class | Class F / H available |
| Cooling Type | ONAN (Oil Natural Air Natural) |
| Efficiency | ≥ 98% at full load |
| Vector Group | Dyn11 / customizable |
| Temperature Rise | ≤ 65°C over ambient |
| Impedance Voltage | 4–6% (customizable) |
| Noise Level | ≤ 55dB |
| Protection Class | IP23 standard / optional IP54 for outdoor use |
| Materials | Copper winding, silicon steel core, corrosion-resistant tank |
| Operating Environment | -25°C to +50°C, high humidity and dusty areas |





- Many regions (Middle East, Africa, South Asia) face high ambient temperatures, increasing transformer failure risks.
- Standard transformers often overheat or pose fire hazards, leading to operational interruptions.
- Maintenance costs escalate due to corrosion and insulation degradation in humid, dusty environments.
- High-Temperature Resistant Design: Core and windings use high-class insulation suitable for extreme climates.
- Enhanced Cooling System: Optimized oil flow and convection prevent hotspots, maintaining performance.
- Explosion-Proof Tank: Designed with pressure relief devices to prevent accidents in high-load conditions.
- Corrosion Protection: Anti-rust coating and sealed enclosures extend lifespan in humid and salty environments.
- Customizable Specifications: Voltage, cooling, and protective features tailored to meet EPC project requirements.
- Q: Can this transformer operate reliably in temperatures above 50°C?
A: Yes, it is designed with high-class insulation and advanced cooling systems to maintain optimal performance in extreme heat. - Q: Is the transformer safe against fire hazards in high-load conditions?
A: Absolutely. Our explosion-proof tank and pressure relief devices minimize fire and self-ignition risks. - Q: Can it handle harsh environments with dust, humidity, or salty air?
A: Yes, corrosion-resistant materials and IP23/IP54 enclosures protect it against environmental damage. - Q: Is customization available for specific EPC project needs?
A: Yes, voltage, capacity, vector group, and cooling methods can be tailored to your project specifications. - Q: What maintenance measures are required for high-temperature climates?
A: Minimal maintenance is needed; periodic inspections of oil levels and cooling systems are sufficient for reliable operation. - Q: Can this transformer integrate into existing power distribution systems?
A: Yes, it supports standard vector groups and flexible installation options for seamless integration.
Hentg Power Co., Ltd. is a leading transformer manufacturer specializing in custom solutions for a wide range of electrical applications. Established with a commitment to quality and innovation, our factory provides:
- Tailored Transformer Solutions: From low-voltage to high-voltage systems, including auto transformers, isolation transformers, and specialty designs.
- Global Clientele: Serving industrial clients, EPC contractors, and distributors worldwide.
- Advanced Manufacturing: Equipped with state-of-the-art machinery, automated winding, and rigorous quality testing.
- Strict Quality Standards: ISO9001-certified processes ensure reliability, efficiency, and safety.
- After-Sales Support: Comprehensive technical support, installation guidance, and maintenance consultation.
Our mission is to deliver reliable, high-performance transformers that meet the unique challenges of diverse power distribution projects across the globe.
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