Hunan Hentg Power Electric Technology Co., Ltd.
                                                                                                           
Verified Supplier
15 Years
Since 2011
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Copper Oil Immersed Electric Transformer HV Single Phase Isolation Transformer 333 Kva

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description
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,
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
333 2400-34500 ±2X2.5% 110-690

99.43
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.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Hentg Power Electric Technology Co., Ltd.
Location Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha,Hunan province, China
Contact Person Ms. Laurel

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