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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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  3. Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0
China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0
China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0

  1. China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0
  2. China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0
  3. China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0
  4. China Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0

Excellent Short-circuit Strength Three-Phase 125KVA Auto Transformer 11kV to 0

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  1. Product Details
  2. Company Details

Product Specification

Product Overview

HENTG POWER Auto Transformers are designed for various industrial and electrical equipment applications, providing efficient, safe, and reliable voltage conversion. This 125KVA three-phase auto transformer offers excellent short-circuit strength, stable operation under high load, and meets the electricity needs of industrial facilities, energy projects, and high-temperature regions. Customizable designs are available to ensure suitability for complex operating conditions and specialized electrical environments.

Key Selling Points
  • High Short-Circuit Strength: Designed to IEC standards, ensuring safety under short-circuit conditions.
  • Excellent Heat Dissipation: Advanced cooling design suitable for high-temperature environments, extending service life.
  • Low Noise Operation: Optimized core and winding structure for quieter performance in industrial settings.
  • Explosion & Fireproof Design: Compliant with international safety standards for extreme conditions.
  • Customizable Solutions: Voltage, capacity, and installation can be tailored to project requirements.
  • High Efficiency & Energy Saving: Premium copper and core materials reduce energy loss and improve cost-effectiveness.
Technical Specifications
Parameter Specification
Model HENTG-AUTO-125KVA
Capacity 125 KVA
Input Voltage 11 kV
Output Voltage 0.4 kV
Phase Three-phase
Cooling Method ONAN / Optional Air Cooling
Short-Circuit Withstand ≥2.5x rated current, 2s
Noise Level ≤55 dB
Temperature Rise ≤65°C (high-temperature suitable)
Protection Level IP23 / Optional IP44/IP54
Insulation Class F / Optional H
Installation Indoor/Outdoor floor-mounted
Winding Material Premium copper wire
Core Material Cold-rolled silicon steel, high permeability
Special Design Explosion-proof,

Problem-Solving

Market Problem: Standard transformers overheat, self-ignite, or reduce lifespan in hot climates.

Our Solution:

  • Enhanced Cooling Design: Optimized oil channels or airflow to improve heat dissipation.
  • Explosion & Fireproof Materials: High-insulation materials prevent fire even under overload.
  • High-Temperature Insulation System: H-class insulation materials suitable up to 180°C.
  • Moisture & Dust Protection: Sealing measures for humid and dusty climates ensure long-term stability.
  • Custom Installation: Tailored solutions for EPC projects, including outdoor and special installations.
FAQ
  1. Q: Will high temperatures affect transformer lifespan?
    Reinforced cooling and H-class insulation ensure stable long-term operation and extended lifespan.
  2. Q: Can voltage or capacity be customized?
    Yes, HENTG provides tailored input/output voltage and capacity solutions.
  3. Q: How is safety ensured in high-temperature regions?
    Explosion-proof, fireproof systems and moisture/dust protection guarantee safe operation.
  4. Q: Is noise suitable for industrial environments?
    Yes, optimized core and winding structure ensures low noise (≤55 dB).
  5. Q: Do you provide on-site installation support for EPC projects?
    Yes, we provide complete installation plans and technical support.
  6. Q: What is the maintenance interval?
    Regular maintenance is recommended every 12 months, adjustable based on project conditions.
Company Introduction

HENTG Power is a high-tech enterprise specializing in transformer R&D, manufacturing, and sales, with extensive experience in the electrification industry. The company offers customized transformer solutions including dry-type, oil-immersed, and auto transformers, widely used in industrial, energy, construction, transportation, and infrastructure projects. We are committed to providing reliable, efficient, safe, and environmentally friendly power equipment worldwide, with comprehensive pre-sale, during-sale, and after-sale services. HENTG boasts advanced production lines, strict quality management systems, and professional technical teams capable of rapid response to customer needs, providing tailored power solutions for complex projects.

Contact us now for your exclusive high-efficiency auto transformer solution!

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2011

  • Total Annual:

    300-500MVA

  • Employee Number:

    150~200

  • Ecer Certification：

    Verified Supplier

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Get in touch with us

  • Reach Us
  • Hunan Hentg Power Electric Technology Co., Ltd.
  • Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
  • https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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