1000 kVA three phase dry type transformer, medium voltage 13.8 kV to 480Y/277 V, CE UL certified power transformer – PowerNex

1000 kVA Three Phase Dry Type Transformer, 13.8 kV Primary to 480Y/277 V Secondary – Medium Voltage Power Transformer

Power Rating: 1000 kVA（100–5000 kVA）
Type: Three Phase Medium Voltage Dry Type Transformer
Primary Voltage: 13.8 kV / 13.2 kV / 12.47 kV / 35 KV 
Secondary Voltage: 480Y/277 V or 208Y/120 V
Connection: Three Phase Delta–Wye or Wye–Wye
Frequency: 50/60 Hz
Cooling: AN / AF, oil-free dry type
Standards: ANSI, IEEE, IEC, DOE
Certifications: UL, cUL, CSA, CE (optional)
Enclosure: Indoor ventilated enclosure (NEMA 1 standard, NEMA 3R optional)
Applications: Commercial and industrial power distribution, data centers, hospitals, substations, and infrastructure projects requiring safe, fire-resistant dry type transformers.

RELIABLE MEDIUM VOLTAGE POWER FOR COMMERCIAL & INDUSTRIAL SYSTEMS

Designed for modern commercial facilities, industrial plants, infrastructure projects, and utility distribution systems, the 1000 kVA three phase medium voltage dry type transformer from PowerNex delivers safe, stable, and efficient voltage conversion from 13.8 kV medium-voltage networks to 480Y/277 V low-voltage distribution systems.

Engineered to meet ANSI, IEEE, and IEC standards, this dry type power transformer is ideal for applications where oil-filled transformers are restricted or undesirable. Its oil-free design significantly reduces fire risk, eliminates leakage concerns, and ensures environmentally friendly operation, making it suitable for indoor substations, industrial buildings, data centers, hospitals, and critical infrastructure projects.

Supplied with complete technical drawings, this transformer supports accurate engineering design, smooth project approval, and efficient on-site installation for EPC contractors, consultants, and system integrators.

TECHNICAL SPECIFICATIONS (STANDARD CONFIGURATION)

Item Specification
Rated Capacity 1000 kVA
Transformer Type Medium Voltage Dry Type Transformer
Phase Three Phase
Primary Voltage 13.8 kV (11 kV / 13.2 kV optional)
Secondary Voltage 480Y/277 V (400 V / custom optional)
Frequency 50 / 60 Hz
Cooling Method AN (Air Natural), oil-free
Insulation System Class F (standard) / Class H (optional)
Temperature Rise 80K / 100K
Winding Material Copper (standard) / Aluminum (optional)
Core Material High-permeability, low-loss silicon steel
Installation Indoor
Standards ANSI, IEEE, IEC, DOE efficiency
Certifications CE, UL, cUL (project-based)
Enclosure Ventilated steel enclosure
Capacity Range Available 100 kVA – 3000 kVA

Specifications can be customized according to project requirements and regional standards.

1000 kVA three phase medium voltage dry type transformer with technical drawings, 13.8 kV to 480Y/277 V, CE UL certified – PowerNex
1000 kVA ANSI medium voltage dry type transformer, three phase 13.8 kV to 480 V, UL CE certified, industrial power distribution – PowerNex

HIGH-PERFORMANCE DRY TYPE DESIGN

PowerNex medium voltage dry type transformers are engineered with advanced electromagnetic and thermal design to ensure long-term performance under continuous and fluctuating loads.

Key performance advantages include:

  • High-efficiency magnetic core to minimize no-load losses

  • Optimized winding layout for reduced load losses

  • Low partial discharge levels for enhanced insulation reliability

  • Excellent short-circuit withstand capability

  • Stable operation under balanced and unbalanced load conditions

This transformer is suitable for supplying lighting systems, HVAC equipment, motor drives, automation systems, UPS systems, and sensitive electronic load

Get Your Customized Solution
1000 kVA IEC rated medium voltage dry type transformer, three phase 11 kV / 13.8 kV to 400 V / 480 V, CE UL certified – PowerNex
1000 kVA three phase dry type distribution transformer for commercial and industrial power systems, CE UL certified – PowerNex

OIL-FREE SAFETY & ENVIRONMENTAL BENEFITS

Unlike oil-filled transformers, this dry type transformer offers significant safety and environmental advantages:

  • No oil leakage or contamination risk

  • Reduced fire hazard

  • Lower insurance and compliance costs

  • Clean and quiet operation

  • Minimal routine maintenance

These benefits make it especially suitable for urban buildings, underground substations, enclosed electrical rooms, and environmentally sensitive locations.

Get Your Customized Solution

TECHNICAL DRAWINGS & DOCUMENTATION

Each 1000 kVA medium voltage dry type transformer can be supplied with complete technical drawings, including:

  • General Arrangement (GA) drawings

  • Outline and dimension drawings

  • Electrical schematic and wiring diagrams

  • Terminal and grounding details

  • Installation and clearance recommendations

These drawings support design review, layout planning, foundation preparation, and installation, ensuring smooth coordination between electrical engineers, civil engineers, and installation teams.

Custom drawings can be prepared according to project specifications and local authority requirements.

Get Your Customized Solution
1000 kVA medium voltage dry type transformer, three phase 13.2 kV / 13.8 kV to 480Y/277 V, ANSI standard, CE UL certified – PowerNex
1000 kVA IEC rated dry type transformer, medium voltage three phase power transformer, CE UL certified, industrial distribution – PowerNex

TYPICAL APPLICATIONS

This 1000 kVA three phase medium voltage dry type transformer is widely used in:

  • Commercial buildings and office complexes

  • Industrial manufacturing plants

  • Data centers and IT facilities

  • Hospitals and healthcare institutions

  • Airports and transportation infrastructure

  • Utility substations and distribution systems

  • Renewable energy and energy storage projects

Get Your Customized Solution

MAIN COMPONENTS & CONSTRUCTION DETAILS

Magnetic Core

Manufactured from high-grade silicon steel laminations with step-lap construction to reduce losses and noise.

High-Voltage Windings

Designed for medium voltage operation with reinforced insulation systems to ensure dielectric strength and long service life.

Low-Voltage Windings

Optimized conductor design to handle high current while maintaining low temperature rise.

Insulation System

VPI or cast resin insulation processes ensure moisture resistance, mechanical strength, and stable electrical performance.

Enclosure & Cooling System

Ventilated steel enclosure designed to promote natural air circulation while protecting internal components.

Protection & Monitoring (Optional)

  • Temperature sensors (PT100 / PTC)

  • Over-temperature alarms and trip contacts

  • Electrostatic shielding for noise reduction

PROJECT CASE STUDY – INDUSTRIAL MANUFACTURING FACILITY

Application: Industrial Power Distribution Upgrade

Location: Southeast Asia
Industry: Manufacturing & Processing
Product Supplied: 1000 kVA Three Phase Medium Voltage Dry Type Transformer (13.8 kV → 480Y/277 V)

Project Background

The client required a reliable, indoor-installed transformer to step down medium voltage power for an industrial production facility. Oil-filled transformers were not permitted due to safety regulations and limited installation space.

Solution

PowerNex supplied a 1000 kVA dry type medium voltage transformer, designed to IEC standards and equipped with Class F insulation. Complete technical drawings were provided for seamless integration into the client’s electrical layout.

Result

  • Stable and reliable power supply

  • Improved fire safety and compliance

  • Reduced maintenance requirements

  • Smooth installation and commissioning

The transformer has been operating reliably under continuous industrial load conditions.

CUSTOMIZATION & ENGINEERING SUPPORT

PowerNex provides full customization options:

  • Primary voltages: 11 kV, 13.2 kV, 13.8 kV

  • Secondary voltages: 400 V, 480 V, 480Y/277 V

  • Capacity range: 100 kVA – 3000 kVA

  • Insulation and temperature rise options

  • Enclosure and protection customization

Our engineering team supports customers from pre-sales consultation and transformer selection to drawing approval, installation guidance, and commissioning.

MANUFACTURING, QUALITY CONTROL & GLOBAL SUPPLY

Manufactured in China by a leading transformer manufacturer, supplier, wholesale exporter, and factory, PowerNex transformers undergo strict quality control procedures:

  • Precision core cutting and assembly

  • Advanced winding and insulation processing

  • Routine and type testing

  • Electrical and insulation verification before shipment

PowerNex supplies transformers to the United States, Canada, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, UAE, Saudi Arabia, Russia, Germany, France, and other global markets.

YOUR TRUSTED PARTNER FOR MEDIUM VOLTAGE DRY TYPE TRANSFORMERS

Choosing PowerNex means:

  • Factory-direct pricing

  • Stable production capacity

  • OEM & ODM support

  • Consistent quality across projects

  • Long-term partnership for distributors and EPC contractors

If you are sourcing dry type medium voltage transformers in various capacities such as 100 kVA, 160 kVA, 250 kVA, 400 kVA, 500 kVA, 630 kVA, 800 kVA, 1000 kVA, 1250 kVA, 1600 kVA, 2000 kVA, or up to 3000 kVA, PowerNex is ready to support your project with custom-engineered solutions, complete technical drawings, and reliable global delivery.

As a professional dry type transformer manufacturer, PowerNex offers fully customized three phase medium voltage dry type transformers tailored to your voltage levels, insulation systems, installation conditions, and regional standards, ensuring optimal performance for commercial, industrial, and infrastructure applications worldwide.

    Solid state transformer (SST) by PowerNex Transformers for smart power distribution, EV charging, and renewable energy systems
    The Future of Power Distribution: Solid State Transformers (SST)

    Introduction The Solid State Transformer (SST) is rapidly emerging as a breakthrough technology in modern [...]

    22
    Mar
    Industrial transformer sizing guide 2026, three phase transformer kVA calculation for factory and motor load applications, PowerNex
    How to Size a Transformer for Industrial Applications in 2026 (Complete Step-by-Step Guide)

    Introduction Choosing the correct transformer size for an industrial application is one of the most [...]

    02
    Mar
    Industrial Variable Frequency Power Supply system for 50Hz to 60Hz conversion and 400Hz aerospace applications, three phase programmable AC frequency converter for high power testing and industrial commissioning
    Variable Frequency Power Supply: Industrial Guide to Specifications, Applications, 400Hz Systems & Frequency Conversion Solutions

    A Variable Frequency Power Supply (VFPS) is a programmable AC power source designed to convert [...]

    11
    Feb
    Step-up transformer and step-down transformer comparison for industrial and utility power systems, showing voltage conversion differences for power transmission and distribution projects by PowerNex
    Step-Up Transformer vs Step-Down Transformer: Key Differences, Applications, and How to Choose the Right Power Solution

    In modern power systems, transformers play a critical role in voltage conversion to ensure safe, [...]

    04
    Feb
    Dry type transformer vs oil immersed transformer comparison for industrial and utility power projects in the USA, Canada, Brazil, Mexico, and South America
    Dry Type Transformer vs Oil Immersed Transformer: Key Differences, Applications, and How to Choose for Industrial & Utility Projects

    Introduction Choosing the right transformer is a critical decision for industrial plants, commercial buildings, renewable [...]

    29
    Jan
    Top 10 power transformer manufacturers worldwide, comparing products, specifications, competitive advantages, and global market positioning across utility, industrial, and transmission applications.
    Top 10 Power Transformer Manufacturers in the World Products, Specifications, Competitive Advantages, and Global Market Analysis

    Global Overview of the Power Transformer Industry Power transformers are critical assets in electrical power [...]

    27
    Jan
    Isolation transformer vs control transformer comparison for European industrial applications, showing dry type isolation transformer and control transformer used in factory automation, machine tools, control panels, and IEC-compliant industrial power systems supplied by PowerNex
    Isolation Transformer vs Control Transformer for European Industry

    Introduction: Why This Comparison Matters in European Industrial Systems In European industrial environments, transformers are [...]

    26
    Jan
    Dry type transformer and isolation transformer used in German industrial power systems, showing IEC compliant designs with capacity ranges from 10 kVA to 5000 kVA and voltage levels up to 35 kV sourced from China manufacturers
    Should Germany Buy Industrial Transformers from China? A Practical Guide to Isolation Transformers and Cost-Effective Power Solutions

    Germany is widely recognized as one of the world’s most advanced industrial economies, with strong [...]

    26
    Jan

    Reviews

    There are no reviews yet.

    Be the first to review “1000 kVA Three Phase Dry Type Transformer, 13.8 kV Primary to 480Y/277 V Secondary – Medium Voltage Power Transformer”

    Related products

    100 kVA industrial dry-type step-down isolation transformer, three phase 480V to 208Y/120V power transformer, China manufacturer supplier factory with global sales, PowerNex
    Quick View

    100 kVA Industrial Dry-Type Step-Down Isolation Transformer, Three Phase 480V to 208Y/120V Power Transformer

    500 kVA three phase pad mounted distribution transformer, 13.8 kV 13.2 kV 12.47 kV primary to 480Y/277 V or 208Y/120 V secondary, ANSI utility-grade power transformer for global markets, manufactured by PowerNex
    Quick View

    500 kVA Three Phase Pad Mounted Distribution Transformer – ANSI Utility-Grade, Medium Voltage to Low Voltage Power Transformer

    3000 kVA three phase medium voltage electric transformer, 35 kV / 33 kV / 13.8 kV primary to 13.8 kV / 11 kV secondary, industrial and utility distribution, global supply by PowerNex
    Quick View

    3000 kVA Three Phase Power Transformer, 35 kV / 33 kV / 13.8 kV Primary to 13.8 kV / 11 kV Secondary – Medium Voltage Electric Transformer

    15kVA dry type isolation transformer single phase and three phase for industrial and commercial power systems, oil-free isolation power transformer manufactured in China, supplied globally to USA, Canada, Brazil, Australia, UAE, Saudi Arabia, Germany, France, South Africa and more – PowerNex
    Quick View

    15kVA Isolation Power Transformer 480V to 240V 220V, Dry-Type Single Phase & Three Phase for Industrial and Commercial Use

    75 kVA single-phase telephone pole transformer with 13.8 kV primary and 120–240 V secondary, pole mounted overhead distribution transformer for utility power systems, PowerNex
    Quick View

    75 kVA Single-Phase Telephone Pole Transformer, 13.8 kV Primary / 120-240 V Secondary, Pole Mounted Overhead Distribution Transformer

    750 kVA pad mounted transformer OEM manufacturer, custom pad mount power transformer, three-phase medium voltage to low voltage distribution, 13.8 kV to 480 V outdoor utility transformer, factory direct supply – PowerNex
    Quick View

    750 kVA Three-Phase Pad Mounted Transformer 13.8 kV to 480Y/277 V Utility & Commercial Power Distribution

    2500 kVA medium voltage cast resin dry type transformer with 34.5 kV indoor industrial power distribution design, oil-free three phase power transformer supplied globally by China manufacturer PowerNex
    Quick View

    2500 kVA Medium Voltage Cast Resin Transformer for Indoor Industrial Power Distribution, 34.5 kV Dry Type Design

    25 kVA single-phase electric utility pole transformer with 12.47 kV primary and 120-240 V secondary for overhead distribution, pole mounted distribution transformer for utility power systems, PowerNex
    Quick View

    25 kVA Utility Pole Transformer, 12.47 kV Primary / 120-240 V Secondary, Single-Phase Electric Pole Mounted