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A full range of UI/3UI metric bobbins are available with large stocks held in our warehouse.

  • Sizes from UI/3UI60 through to UI/3UI300 are ready for despatch.
  • Most sizes available as single or double section versions Standard stock items Class F rated at 155°C
  • Single piece bobbins available for UI60 to UI210
  • Full flange half bobbin versions available for UI150 to UI300 with stack spacers and stack extenders
  • UL94 VO and Class H high temperature options available
  • Manufactured in a UL approved moulding facility
  • UI210 and UI240 patterns have a reduced dimension version. Useful for transformers being situated in confined spaces

Choose from bobbin sizes listed below to see more details.

UI60UI66UI68UI75UI90
UI100UI120UI125UI150UI180
UI210UI240UI300

Choose from bobbin sizes listed below to see more details.

UI60UI66UI68UI75UI90
UI100UI120UI125UI150UI180
UI210UI240UI300