With more than 40 years of experience, Polyamp (together with Switch Craft division) manufactures DC/DC converters that are used in applications where the electrical/physical environment is tough and/or the customers have high demands on reliability and accuracy:

  • Railway: Trains and Track Wayside
  • Industry: Forklifts, Electrical Vehicles, Process Control, Power Plants, DC Distribution
  • Telecom & Radiocom
  • Space & Defence: Air Traffic Control, Navy, Army vehicles, fixed installations
  • ‘T’-range according EN50155/IEC60571


Input voltage ranges 3:1 or wider, optimized for specific battery voltages. Convection cooling and aluminium encapsulating. Output power is specified at the highest operating temperature, generally +55 C.

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Markets: Railway.

Applications: Power-Supply-Converters.