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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. Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified
China Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified
China Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified

  1. China Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified
  2. China Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified
  3. China Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified

Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified

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  1. Product Details
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Product Specification

High Light explosion-proof mining transformer ，Ex certified coal mine transformer ，dry type mining transformer
Explosion-Proof Mining Transformer for Underground Coal Mines Ex Certified
Our explosion-proof mining transformers are engineered specifically for underground safety in hazardous mining environments. These mining flameproof substations are designed for special and harsh environmental conditions with excellent explosion-proof performance and mechanical strength.
Safety & Performance Features
  • 220°C insulation class for high-temperature operation
  • Flameproof Group IIB, Zone 1, Zone 2 certification
  • Fire-proof construction with non-toxic air creation
  • Low noise operation and environmentally protected design
  • Maintenance-free operation with heat shock resistance
  • Superior overload capacity and multiple protective functions
  • Protection against overload, short circuit, leakage, leakage lockout, over-voltage, under-voltage and over temperature
Mining operations involve high risks including methane exposure, coal dust, humidity, vibration and confined spaces. Our Explosion-proof Mine Transformers (Exd I / Exd I Mb) are engineered to ensure reliable and safe power distribution in these hazardous underground environments.
Key Features
  • Certified MA & Explosion-Proof (Ex) compliance
  • Explosion-proof enclosure with robust mechanical protection
  • Resistant to humidity, dust, corrosion and vibration
  • High reliability and low maintenance for continuous operation
  • Suitable for underground conveyors, pumps, lighting & ventilation systems
  • Compact structure for narrow mine shafts; mobile and fixed options available
Applications
Coal mines, underground tunnels, pump stations, mining conveyors, and underground power distribution systems.
Technical Specifications
Parameter Specification
Transformer Type Dry type
Rated Capacity Up to 8000kVA
Rated Voltage Up to 11kV
Frequency 50/60Hz
Phase 3 Phase
Winding Material Copper / Aluminum
Insulation Class H(180℃), C (220℃)
Vector Group Dyn11, YNd1d1
Cooling ANAN, GNAN
Protection Enclosure IP00 to IP54
Explosion-proof Type ExdIMb
Zone Zone 1, Zone 2
Tank Painting C4 and C5 on request
Altitude Max 2300m
Standard IEC, AS, EN, IEEE/ANSI, GOST
HV and LV Switch Configurations
  • Mining Flameproof HV vacuum switch + Mining Flameproof LV protection box
  • Mining Flameproof HV vacuum switch + Mining Flameproof LV feed switch
  • Mining Flameproof HV vacuum switch + Mining Flameproof LV multi-loop combined switch (LMCC)
Explosion-proof mining transformer technical diagram and internal components Explosion-proof mining transformer installation in underground mining environment
Contact us for detailed drawings, certificates, and customized technical specifications.

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:

    200~250

  • Ecer Certification：

    Verified Supplier

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Get in touch with us

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  • 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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