Copper Oil Immersed Electric Transformer HV Single Phase Isolation Transformer 333 Kva
Product Overview
HENTG's Single Phase Pad Mounted Oil-Immersed Distribution Transformer (15kVA~500kVA) is designed for reliable, safe, and efficient power distribution in residential, commercial, and light industrial applications. Featuring a compact, tamper-proof, and weather-resistant pad-mounted design, this transformer ensures minimal maintenance and excellent performance in outdoor environments.
Key Specifications
| Attribute |
Value |
| Frequency |
50Hz, 60Hz, 50Hz/60Hz |
| Phase |
Single Phase |
| Coil Structure |
Round coil |
| Output Voltage |
220V, 380V, 400V, 440V, 480V |
| Input Voltage |
35kV, 6kV, 10kV |
| Cooling Method |
ONAN |
| Warranty |
2 Years |
| Winding Material |
Copper / Aluminum |
| Standards |
ANSI, IEEE, UL, CSA, IEC |
Key Advantages
- Customizable Ratings & Terminals - Primary voltage, secondary voltage, bushing type, and tank finish can all be customized
- Industry Compliance - Fully compliant with ANSI, IEEE, and other utility standards
- Environmentally Safe & Energy-Efficient - Uses biodegradable oil and optimized for low loss and high efficiency
Technical Specifications
| Capacity (KVA) |
HV |
Tapping range |
LV |
No-load loss |
Load loss |
Efficiency |
| 15 |
2400-34500 |
±2X2.5% |
110-690 |
60 |
330 |
98.82 |
| 25 |
|
|
|
80 |
370 |
98.95 |
| 333 |
|
|
|
|
|
99.43 |
| 500 |
|
|
|
|
|
99.49 |
Ordering Process
Step 1: Inquiry & Design
We respond within 1 hour with recommendations and quotations. Our technical team confirms all drawing details within 7 days after payment, including technical data, weight and parts list.
Step 2: Production & Quality Control
After design approval, we prepare stock, produce, and conduct thorough quality inspections. We provide QC and test reports, with optional Factory Acceptance Test (FAT).
Step 3: Installation & Support
Professional installation guidance and on-site support available. All products come with over 2 years warranty service.
Company Capabilities
- 30+ senior engineers offering 24/7 support with 30-minute response time
- 100,000m² factory with 250 workers and 4 production lines
- 10,000+ sets annual production capacity
- 100% quality testing with 25 detection points
- 15 years power transformer design and production experience
- Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
Frequently Asked Questions
Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011, specializing in reliable, high-performance solutions for global power systems.
How can we guarantee quality?
Pre-production samples, final inspections, QC & test reports, and optional FAT. We manufacture oil and dry type transformers up to 500KV 480MVA, with over 2 years warranty service.
Why choose us?
Professional design and technical teams with quick response times (30 minutes), comprehensive support, and extensive industry experience.
