General Purpose

Midwest transformers meet DOE-2016 efficiency standards. They are available in aluminum and copper and in all three temperature rise ratings. QL Transformers utilize a UL recognized 220°C insulation system and are UL Listed.

Features and Benefits

  • Unique core and coil design / Quiet performance
  • Core and coil assemblies are mounted on rubber isolation pads to reduce noise
  • Bolted coil terminations
  • Single-piece front/back is easily removable for service
  • NEMA 2 enclosure is standard. Weathershield kit is available for conversion to NEMA 3R outdoor.
  • UL listed
  • CBC 2019, IBC 2019, ASCE7.05-2016: Seismic qualifications
  • Copper or aluminum windings
  • Copper ground strap up through 150 kVA
  • Robust packaging with top and side protection protects against shipping damage
  • Accessible mounting flanges with front/back slotted mounting holes make installation easier
  • 100% factory tested for shorts and coil integrity, current and loss, voltage, impedance and noise.
  • Clear, comprehensive documentation and labeling



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

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