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US Electrification
Transformers - Dry Type Vented
General Purpose

General Purpose

ABB Low Voltage Dry Type transformers  are built to last and are designed with exclusive features.  With easy installation and all of the specifications you trust, it’s easy to see why ABB QL dry type transformers are preferred by contractors. Our Type QL transformers meet DOE 2016 efficiency standards. They are available with aluminum or copper windings and in all three temperature rise ratings. 


  • Built to last
  • Designed to reduce operating costs
  • Easy access for installation and service



  • Unique core and coil design using grain-oriented silicon steel
  • Core and coil assemblies mounted on rubber isolation pads
  • Single piece front/back
  • Outward-facing feet                                                                                                          
  • Lifting eyes provided in top clamp
  • Lug kit included up through 150kVA
  • Copper ground bar kit included up through 150kVA
  • Copper ground strap


Technical specifications

  • 15 – 1000kVA
  • Seismic qualified
  • Sound levels equivalent to or exceeding NEMA ST-20
  • NEMA 1 and/or 2 drip-proof enclosure
  • Weather shield available for field conversion to NEMA 3R
  • NEMA 3R stainless steel (Type 316) available through 150kVA



DOE 2016 Efficiency standard



  • General purpose lighting and electrical installations
  • Motors
  • Resistance heating
  • Motor generators (without solid state drives)

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