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

Hunan Hentg Power Electric Technology Co., Ltd.

  • China,Changsha ,Hunan
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  3. HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for
China HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for
China HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for

  1. China HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for

HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for

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Payment Terms L/C,T/T,Western Union
Supply Ability 300-500MVA/year
Delivery Time 25-35 days
Usage Industrial Power Distribution,Commercial,Utility Distribution,Renewable Energy Integration
Phase Three Phase
Frequency 50Hz or 60Hz
Product name Power Distribution Transformer,medium voltage transformer electric power transformer 400V 220v 50hz,Ring Bushing Type Current Transformer,250KVA transformer,Oil immersed electric power distribution transformer price for sale
Type power transformer,Oil immersed type
Rated capacity 30-3000kva
Rated voltage 10kV-35kV,13.8KV,6.3KV,22KV,Customize
Material Copper,Cooper or Aluminum,Copper Wire + Ferrite Core,Silicone gel,Epoxy resin
Standard ANSI C57.12.28，IEEE Std C57.12.01，UL 1561 / UL 506，CSA
Capacity 3000KVA Available
Primary voltage Customize,34.5KV
Secondary voltage Customize,480V/277V
Winding material Copper 100%
Brand Name HENTG POWER
Model Number 3000kVA 34.5kV to 480V
Certification UL, ISO9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T,Western Union Supply Ability 300-500MVA/year
Delivery Time 25-35 days Usage Industrial Power Distribution,Commercial,Utility Distribution,Renewable Energy Integration
Phase Three Phase Frequency 50Hz or 60Hz
Product name Power Distribution Transformer,medium voltage transformer electric power transformer 400V 220v 50hz,Ring Bushing Type Current Transformer,250KVA transformer,Oil immersed electric power distribution transformer price for sale Type power transformer,Oil immersed type
Rated capacity 30-3000kva Rated voltage 10kV-35kV,13.8KV,6.3KV,22KV,Customize
Material Copper,Cooper or Aluminum,Copper Wire + Ferrite Core,Silicone gel,Epoxy resin Standard ANSI C57.12.28，IEEE Std C57.12.01，UL 1561 / UL 506，CSA
Capacity 3000KVA Available Primary voltage Customize,34.5KV
Secondary voltage Customize,480V/277V Winding material Copper 100%
Brand Name HENTG POWER Model Number 3000kVA 34.5kV to 480V
Certification UL, ISO9001 Place of Origin China
High Light 3000kVA Pad Mounted Transformer ，34.5kV to 480V Power Transformer ，Liquid-Filled Distribution Transformer
HENTG POWER 3000kVA Pad Mounted Transformer
HENTG POWER 3000 kVA pad mounted transformer, 3 phase liquid-filled loop feed transformer, 34.5 kV primary and 480Y/277 V secondary, step-down only. ANSI/IEEE compliant, ideal for North American utility, industrial, and commercial applications.
HENTG POWER 3000 kVA pad mounted transformer unit
The HENTG POWER 3000 kVA pad mounted transformer is a high-performance, 3 phase liquid-filled step-down transformer engineered for underground distribution networks, industrial facilities, commercial complexes, and utility substations in the United States and Canada.
Compartmental Type Transformer Features
  • Loop feed design for network redundancy
  • Dead-front primary bushings for operator safety
  • Self-cooled KNAN system with optional fans for higher overload capacity
  • ANSI/IEEE compliance for easy utility approval

Technical Specifications
General Specifications
Type Pad-Mounted, Compartmental
Cooling KNAN, Self-Cooled
Operation Step-Down (Not approved for Step-Up)
Phase Three-Phase
Frequency 60 Hz
Impedance 5.75% (Target)
Temperature Rise 55/65°C
Insulation Class Class E (120°C / 248°F)
Rating Specifications
Base Rating 3.0 MVA (3000 kVA)
With Fans 3.36 MVA (3360 kVA)
HV Voltage 34,500 V
HV Class 35 kV
HV BIL 150 kV
LV Voltage 480Y/277 V
LV Class 1.2 kV
Vector Group Dyn1
High Voltage (Primary) Specifications
Configuration Delta
Bushing Type 600A, 35 kV Class, Deadbreak (IEEE 386)
Front Dead Front
Terminal Arrangement V-Type
Connections (6) Primary Bushings for Elbow Connectors
Surge Arresters (3) 36 kV Class Elbow Arresters, 29 kVrms
Taps 5-Position De-Energized Tap Changer (±2 × 2.5% / 2 FCAN / 2 FCBN)
Low Voltage (Secondary) Specifications
Configuration Wye-N
Front Live Front
Terminal Arrangement Staggered
Terminals NEMA 12-Hole Spade
Bushings Externally Clamped Epoxy Bushings with Copper Studs

Benefits for North American Utilities and EPCs
  • ANSI/IEEE Compliance: Simplifies utility approvals and inspections
  • Loop Feed Design: Ensures continuous power and network redundancy
  • Dead-Front Safety: Reduces operator risk and improves maintenance safety
  • Flexible Tap Changer: Accommodates voltage variations in distribution networks
  • Self-Cooled with Optional Fans: Supports higher load conditions and extends service life
  • Durable Construction: Compartmental design protects HV/LV sections and minimizes maintenance

Frequently Asked Questions
Is this transformer suitable for U.S. and Canadian distribution systems?
Yes, it is ANSI/IEEE compliant and designed for 60 Hz North American systems.
Can it be used for step-up applications?
No, this model is step-down only.
What is the cooling method?
Self-cooled KNAN system, optional fans available for higher load ratings.
Is this transformer suitable for loop feed networks?
Yes, the loop feed design ensures redundancy and continuous service.
Are test reports provided?
Yes, routine and type test reports are provided per IEEE standards.
Can bushings and taps be customized?
Yes, tap ranges, bushing types, and configurations can be customized based on project specifications.

About HENTG POWER
HENTG POWER is a trusted manufacturer of pad mounted transformers and liquid-filled distribution transformers serving North America.
Our Specializations
  • 3 phase pad mounted transformers
  • Compartmental type loop feed transformers
  • Utility distribution transformers
  • Industrial and commercial power solutions
Our products are designed for long service life, energy efficiency, and environmental safety, meeting ANSI, IEEE, and CSA standards. HENTG POWER is your reliable partner for high-quality transformer solutions.

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

Our HENTG POWER is a leading transformer manufacturer in China with over 15 years of industry experience, specializing in reliable MV and HV transformer solutions for global power systems since 2011. With a 100,000 m² manufacturing facility, over 250 skilled workers, 30+ senior engineers, and... Our HENTG POWER is a leading transformer manufacturer in China with over 15 years of industry experience, specializing in reliable MV and HV transformer solutions for global power systems since 2011. With a 100,000 m² manufacturing facility, over 250 skilled workers, 30+ senior engineers, and...

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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.hentgpower.com/

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