Macro Magnetics

Transformers for Data Center Applications

Energy Efficient Isolation Transformers

Compliant to DOE 2016 Efficiency Standards

Grand Power Systems’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 Macro Magnetics, 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 on.


KVA Ratings:75 to 1,000 kVA
Insulation Temperature Rating:220°C (150°C rise) UL Listed
Efficiency:Meets latest U.S. DOE CFR Part 431
Primary Voltage Range:208-600 vAC
Secondary Voltage Range:120-600 vAC
Frequency:60 Hz
Electrical Configuration:Delta/Wye
Neutral Rating:2x FLA
Tap Configuration:(1) 5% FCAN and (1) 5% FCBN Voltage Tap
% Impedance:3-6%
Winding Material:Aluminum
Audible Noise:Per NEMA Standards
K Rating:K1


  • Dual secondary outputs
  • 80°C rise or 115°C rise
  • 50 Hz
  • Special K factors
  • Electrostatic shields
  • Input/ output protection
  • Special enclosures

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

Share This