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GE QL Ultra Efficient Transformer

GE QL Ultra Efficient TransformerMore energy efficient than TP-1 designs – in fact no dry-type transformers are more efficient. It also helps earn LEED® certification points from the U.S. Green Building Council. It’s perfect for schools, colleges, government, and healthcare buildings - see how much you can save for your next project with the new online energy savings calculator.

 GE DEA491A-QL Ultra Transformers Brochure

Features and Benefits

  • Meets or exceeds DOE CSL-3 efficiency
  • Noise at least 5dB less than NEMA ST-20 standards
  • Seismic qualified to the requirements of ASCE 7.05, IEEE-693-2005 and IBC-2006
  • 200% neutral
  • Copper ground strap
  • Full capacity, universal taps: two 2.5% above nominal and four 2.5% below nominal
  • Robust packaging with top and edge protection
  • 220°C insulation system
  • 40°C ambient
  • 10kV-BIL
  • Copper windings
  • UL Listing
  • Standard NEMA 2 drip-proof enclosure with optional weathershield kit for conversion to NEMA 3R outdoor
  • One-year limited warranty


  • K-12 education, higher education, government, healthcare, stadiums
  • U.S. Green Building Council LEED certification projects\

Source: Reprint with permission.