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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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2011
Total Annual:
50000000-100000000
Employee Number:
200~250
Ecer Certification：
Verified Supplier
HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011.
With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...
HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011.
With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...
