The Transformer Authority

Jefferson Electric has provided innovative transformer and reactor products since 1915. We enjoy a rich tradition of meeting the highest industry standards for quality, durability, and reliability for the commercial, industrial and OEM markets. Pioneer’s Dry Type Transformer Division continues the tradition today, providing new magnetic products for a wide variety of applications and industries.

For more information about custom transformers, you can:

  • Find a representative for assistance
  • Call our technical services department at 800.892.3755 or 414.209.1620
  • Fill out our contact form

Industries we serve

  • Oil and gas
  • Transit
  • Elevator
  • Commercial construction
  • Industrial manufacturing
  • Medical
  • Alternative energy
  • Battery charging
  • Switchgear
  • Power quality
  • Plant automation
  • Drive manufacturing
  • Data center
  • HVAC

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