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China factory - Hunan Hentg Power Electric Technology Co., Ltd.

Hunan Hentg Power Electric Technology Co., Ltd.

  • China,Changsha ,Hunan
  • Verified Supplier

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China Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 Kva 100 Kva
China Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 Kva 100 Kva

  1. China Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 Kva 100 Kva

Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 Kva 100 Kva

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  1. Product Details
  2. Company Details

Product Specification

High Light IP65 Level Step Down Power TransformerOil Immersed Step Down Power Transformer
Single Phase Oil Immersed Step Down Power Transformer IP65 Level 25 Kva 100 Kva 250 Kva
Product Specifications
Attribute Value
Frequency 50Hz, 60Hz
Phase Single Phase
Application Distribution System
Coil Structure Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil
Output Voltage 110V, 220V, 380V, 400V, 440V, 480V
Input Voltage 6.6kV, 6.3kV, 6kV, 10.5kV, 10kV, 35kV
Type Oil-Immersed Transformer, Single Phase Pad Mounted Transformer
Rated Capacity 10kVA -500kVA
Vector Group Dyn11 / Yyn0
Low Voltage 110-240/240-480/600-690V
Warranty 3 years
Standard DOE/IEC60076/IEEE/ANSI
Mounting Type Pole Mounted
Winding Material Copper
Protection Level IP65
Efficiency 98%
Enclosure Material Steel
Insulation Class Class H
Certifications UL Listed, CSA Certified
Product Overview

HENTG Power Single Phase Oil Immersed Transformer is a high-efficiency step-down transformer available in 25 KVA, 100 KVA, and 250 KVA configurations.

Key Selling Points:

  • High efficiency design minimizes energy consumption and reduces electricity costs
  • Durable construction using premium materials for long-term, maintenance-free operation
  • Built-in overload protection ensures safe and reliable performance

This transformer is specifically designed for outdoor environments with excellent weather resistance and corrosion protection. Ideal for both residential and small commercial applications, it delivers stable power supply while optimizing energy efficiency.

Single Phase Oil Immersed Transformer exterior view Transformer installation on utility pole Close-up of transformer components Transformer technical specifications label
Technical Performance Data
Rated Capacity (KVA) HV Tapping Range LV No-load Loss (W) Load Loss (W) Dimension (mm) Efficiency
W D H
15 2400-34500 ±2*2.5% 110-690 60-150 330-1150 520-795 565-890 905-1135 98.8
25 99.0
37.5 99.1
50 99.1
75 99.2
100 99.3
167 99.3
250 99.4
333 99.4
500 99.5
Transformer internal components Transformer manufacturing process Transformer transportation and handling
Advantages in Distributed Power Distribution Networks
  • Reduced Line Losses: Installed close to the load, these transformers shorten the low-voltage supply radius, reducing low-voltage line losses by over 99%
  • Energy Efficient Design: Features high-efficiency wound core design for improved electrical performance and energy savings
  • Space-Saving Installation: Pole-mounted suspension installation requires no ground space, ideal for rural and suburban areas
  • Cost Effective: Lower capital investment compared to traditional transformer systems
  • Reliable Operation: Fully enclosed structure provides excellent protection against dust and moisture with strong overload capacity
Transformer installation example Transformer maintenance access points Transformer cooling system detail Transformer safety features
Detailed Technical Specifications

Core Structure:

  • Electromagnetic System: Silicon Steel Laminated Core, Copper/Aluminum Winding (H-Class Insulation)
  • Protection System: IP55 Protection Grade Oil Tank, with Pressure Relief Valve and Oil Level Gauge

Electrical Parameters:

Item Typical Value
Rated Capacity 10kVA/25kVA/50kVA
No-load Loss ≤45W (25kVA Example)
Impedance Voltage 4%±10%

Special Design Features:

  • Fully Sealed Structure for Anti-Oxidation
  • Axial Heat Sink for Enhanced Convection
  • Anti-Theft Mechanical Locks

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...

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  • Hunan Hentg Power Electric Technology Co., Ltd.
  • China Hunan Changsha,Room 908, Building D6, Zhongdian Software Park, Dongfanghong Street
  • https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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