Dry-Type Transformers

Certifications & Standards

ISO 9001

UL Listed

CSA Approved

DOE C802

NEMA

ANSI

Single-Phase Transformers

Compact and efficient dry‑type transformer ideal for safe indoor use in commercial and light industrial applications.

Three-Phase Transformers

Low voltage, High efficiency dry‑type transformer ideal for indoor and outdoor high-demand commercial and industrial applications.

Single-Phase Transformers

Technical Specifications
Customization Options
  • Oil-free dry-type insulation for safer indoor placement

  • Self-extinguish type with higher resistance to fire than oil

  • Compact enclosure supports easy handling / installations

  • Vibration isolation pads provide quite operation

  • Front-access, staggered tap leads simplify field terminations.

  • DOE-aligned design reduces continuous energy losses

Key Features
Applications
Performance Benefits
  • Type: Ventilated

  • Power Rating: 1 kVA - 300 kVA

  • Enclosure: NEMA 3R

  • Windings: Aluminum

  • Frequency: 60 Hz

  • Temperature Rise: 150 C

  • Efficiency Type: NRCAN 2019

  • Minimum Efficiency (35%): 97.89

  • Taps: (2) 2.5% FCAN; (2) 2.5% FCBN

  • Approvals: C802.2.14 / DOE 2016, cCSAus(UL 1561 & CSA C22.2)

  • Enclosure: NEMA 4, 4X, 12, 12X

  • Windings: Copper

  • Frequency: 50 Hz

  • Temperature Rise: 115 C, 80 C

  • K Factors: K4, K9, K13, K20

  • Other

  • Lower fire and spill risk than oil-filled

  • Less maintenance: no oil testing or leaks

  • Faster installation with front access connections and taps

  • Quieter rooms by reducing vibration into building

  • Improved uptime by maintaining proper ventilation clearances

  • Lower operating costs through reduced transformer losses

  • Residential and Commercial constructions

  • Hospitals, Schools, Retails, etc.

  • Data Centers

  • Utilities

  • Industrial and manufacturing buildings

  • Automation and continuous processes

Three-Phase Transformers

15 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

15 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

30 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

30 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

45 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

45 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

75 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

75 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

112.5 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

112.5 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

150 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

150 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

225 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

225 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

300 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

300 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

500 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

500 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

750 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

750 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

Three-Phase Transformers

1000 kVA

Primary: 600V Delta

Secondary: 208Y / 120V

1000 kVA

Primary: 480V Delta

Secondary: 208Y / 120V

  • Power Rating less than 15 kVA available

  • Power Rating more than 1000 kVA (upto 2.5 mVA) available

  • Custom Power Ratings like 350, 400, 800 kVA etc. available

  • Custom Primary and Secondary Wiring options available

  • Special Voltages and impedance available

  • Other customization available

Other Three-Phase Transformer Options
  • Oil-free dry-type insulation for safer indoor placement

  • Self-extinguish type with higher resistance to fire than oil

  • Compact enclosure supports easy handling / installations

  • Vibration isolation pads provide quite operation

  • Front-access, staggered tap leads simplify field terminations.

  • DOE-aligned design reduces continuous energy losses

Key Features
Applications
Performance Benefits
  • Lower fire and spill risk than oil-filled

  • Less maintenance: no oil testing or leaks

  • Faster installation with front access connections and taps

  • Quieter rooms by reducing vibration into building

  • Improved uptime by maintaining proper ventilation clearances

  • Lower operating costs through reduced transformer losses

  • Residential and Commercial constructions

  • Hospitals, Schools, Retails, etc.

  • Data Centers

  • Utilities

  • Industrial and manufacturing buildings

  • Automation and continuous processes

Atlas Transformers USA

Contact

sales@atlastransformersusa.com

1-860-986-0187

© 2026 Atlas Transformers USA. All rights reserved.

LOCATION AND SERVICE

Hartford, Connecticut, USA

Serving all 50 U.S states