PRODUCTS Custom Magnetic Transformers Custom Toroidal Components SERVICES Product Design Engineering ACQUIRED COMPANIES Badger Transformer Co. Mag-Con Engineering Sub-Tronics Nicollet Technologies Transformers, Inc. Tranex Bey Electronics  

Custom Magnetic Transformers

Product Specifications

  • Core material: silicon steel, powdered iron, ferrite, nickel steel and other specialty materials.
  • Single and Three Phase Transformers up to 100 KVA
  • Single or multiple primaries and secondaries
  • Terminations: lead wires, various terminals, terminal blocks, printed circuit board bobbins
  • Specialized finishing available
  • Electrostatic shielding available
  • NEMA 1, NEMA 12, and wall-mount enclosures
  • Thermal cut-outs and thermostats as required


Core Materials

Kool Mu
Nickel Steel
Powdered Iron
Silicon Steel

Core Types

Air Core
Specialty Shapes


Single Phase
Three Phase

Maximum Size

Over 100 kVA


Lead Wires
Printed Circuit Board Bobbins
Terminal Blocks


Badger Magnetics transformers are custom designed for use as:

  • Power, Control, Drive, Isolation and Auto Transformers
  • Printed Circuit Board Transformers
  • Current Transformers
  • Pulse Transformers
  • Chokes/Inductors/Line Reactors
  • Magnetic Amplifier Components/Saturable Reactors
  • Panel/Chassis Mounted Transformers
  • Inverter/Converter Components
  • Power Supply Components
  • A wide range of end-user applications including: defense, medical, industrial controls, machine tools, automation machinery, power conditioning, audio equipment, power supplies, and specialty lighting.


Badger Magnetics transformers offer:

  • Designed and Engineered for optimal efficiency
  • Flexible dimensions and mounting configurations
  • Epoxy impregnation
  • Product built with UL-1446 recognized insulation system
  • K-factor rated designs available
  • UL, CSA, CE, TUV and other component recognition available
  • ITAR Registered
  • ISO 9001:2008 in our Colorado location


  • Samples: 1-2 weeks on average
  • Production: 3-6 weeks
  • Versatile Manufacturing Schedule

Customer Requirements and Economy

  • Competitive pricing
  • Manufactured quantities from 1 to required quantity
  • All units engineered to customer requirements
  • Prompt Engineering and Applications Support
  • Made in the USA and Off-Shore
Transformers, Inductors & Custom Wound Products IEEECanadian Standards AssociationCEThe Transformer Association