Transformers for Data Center Applications

Energy Efficient Isolation Transformers

Compliant to DOE 2016 Efficiency Standards

Warner Power’s Premium Isolation Transformer is a low voltage, dry type, isolation transformer designed for powering critical loads. These transformers safely isolate the distribution system from hazards of harmonics and power disturbances.

At Warner Power, we know what it takes to design and build a dependable transformer. Our industry knowledge and experience along with our state of the art manufacturing processes allow us to produce a quality product with reliability, flexibility and performance that you and your customers can rely upon.


KVA Ratings: 50kVA to 1,000kVA
Insulation Temperature Rating: 200°C (130°C rise) UL Listed Nomex Insulation System
Full Load Efficiency (FLA): Per DOE 2016 TSL-2 enhanced or to specification
Primary Voltage Range: 208-600VAC
Secondary Voltage Range: 120-600VAC
Frequency: 60 Hz
Electrical Configuration: Delta/Wye Configuration
Neutral Rating: 2x FLA of Transformer
Tap Configuration: (1) 5% FCAN and (1) 5% FCBN Voltage Tap
% Impedance: 3-6%
Winding Material: Copper or Aluminum Coil Designs
Audible Noise: 60db Maximum
K Rating: K1


  • 220°C Insulation System (150°C rise)
  • 80°C rise or 115°C rise
  • Input/output Protection
  • Heavy Duty Ventilated
  • NEMA Type 1 Enclosure
  • ANSI 61 Gray Color
  • K4, K13, K29
  • Sprinkler Proof Enclosure
  • Tip Jacks
  • Electrostatic Shields
  • Custom Enclosures Available
  • 50Hz Frequency
  • Auxiliary Outputs Available

Meets latest U.S. DOE CFR Part 431 (effective Jan. 1, 2016) efficiency standards.

For more information please see the DOE website:

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