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China factories

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. Single Phase Pad Mounted Transformer Low Noise 250kVA 50Hz Oil Filled
China Single Phase Pad Mounted Transformer Low Noise 250kVA 50Hz Oil Filled
China Single Phase Pad Mounted Transformer Low Noise 250kVA 50Hz Oil Filled

  1. China Single Phase Pad Mounted Transformer Low Noise 250kVA 50Hz Oil Filled

Single Phase Pad Mounted Transformer Low Noise 250kVA 50Hz Oil Filled

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  1. Product Details
  2. Company Details

Product Specification

High Light 50Hz Single Phase Pad Mounted Transformer ，25kVA Oil Filled Pad Mounted Transformer
Single Phase Pad Mounted Transformer Low Noise 25kVA 37.5kVA 50kVA 50Hz Oil Filled
Product Specifications
AttributeValue
Typedistribution transformer, power transformer, Oil-filled Transformer
Frequency50Hz, 60Hz
Winding MaterialAluminum
ApplicationPower
PhaseSingle Phase
Coil StructureTOROIDAL
Input Voltage3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 220kV, 400kV, 115kV, 132kV
Output Voltage5V, 400V, 208V, 200V, 415V, 127V, 11kV, 12V, 24V, 48V, 110V, 220V, 36V, 380V, 440V, 480V, 9V
Cooling MethodONAN ONAF OFAF
EfficiencyMeets DOE 2016 Standards
Enclosure RatingNEMA 3R
Single Phase Pad Mounted Transformer exterior view Single Phase Pad Mounted Transformer internal components
Product Description
Factory Price Single Phase Pad Mounted Transformer Low Noise 25kVA 37.5kVA 50kVA Multiple Input Output Voltages 50Hz
Key Features
  • Mineral Oil Insulation and Cooling (ONAN) - Environmentally tested insulating oil ensures reliable operation and thermal performance.
  • Durable Oil-Immersed Design - Sealed tank with mineral oil for insulation and cooling. Safe for both underground and above-ground installations.
  • Compact, Space-Saving Structure - Designed to fit in limited spaces like urban grids, residential areas, and commercial complexes.
Customer Benefits
  • Safe and Secure Design - Tamper-resistant enclosures and dead-front construction prevent accidental contact.
  • Low Maintenance, Long Life - Hermetically sealed tank with minimal maintenance over a 20-30 year lifespan.
  • Space-Efficient for Urban Installations - The pad-mounted design is ideal for limited space environments, ensuring effective space utilization.
Technical Specifications
Capacity (KVA)HVTapping rangeLVNo-load lossLoad lossDimension(mm)Efficiency
2502400-34500V±2X2.5%110-690V60-150W330-1150W610-740*740-960*840mm99.39%
Technical diagram of pad mounted transformer Installation example of pad mounted transformer
Ordering Process
Step 1:
We will respond to your inquiry within 1 hour and recommend suitable transformer according to your needs. We will provide you with reasonable quotations and payment terms. Our professional drawing team will confirm all technical details with you within 7 days after payment.
Step 2:
After design confirmation, we prepare materials, manufacture, and conduct strict quality inspections before shipment. We provide QC reports and test reports for all products.
Step 3:
We provide professional installation guidance and on-site support. All products come with more than 2 years warranty service.
Product Advantages

Single-phase pad-mounted transformer features a clamshell cabinet for easy access to connections. The versatile design allows for various protection and switching configurations to meet diverse distribution system requirements.

Pad mounted transformer benefits:
  • Ground installation suitable for residential and commercial areas
  • Fully sealed NEMA 3R enclosure with safety features
  • High-low voltage compartment separation for operational safety
Key advantages:
  • Long service life with better reliability than traditional transformers
  • Fully enclosed design prevents electric shock and external damage
  • Low noise operation suitable for residential areas
  • Modular structure for quick maintenance
  • Customizable configurations to meet specific needs
Frequently Asked Questions
Q: Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011, occupying 100,000 square meters and specializing in reliable, high-performance solutions for global power systems.
Q: How can we guarantee quality?
We conduct pre-production sampling and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture transformers up to 500KV 480MVA, complying with ANSI/IEEE/DOE2016/CSA/IEC60076 standards with over 2 years warranty service.
Q: Why choose us?
We have professional drawing and technical teams that confirm all details within 7 days, with 30+ senior engineers offering 24/7 support with 30-minute response times.
Q: What services can we provide?
We accept OEM orders with negotiable payment terms.
Compliance & Applications

Our products comply with GB 20052-2024 and IEC 60076 standards and are widely used in global markets.

We offer a comprehensive range of transformers including:

  • Oil-immersed transformers
  • Dry-type power transformers
  • SH15 and SCBH15 amorphous alloy transformers
  • YB prefabricated substations
  • ZGS modular substations
  • Transformers for new energy systems
  • Custom-engineered specialty transformers

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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