OT3 – Ferraz Shawmut 250V 3A General Purpose UL Class K5 Fuse


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Product description



OT3 – Ferraz Shawmut One-Time 250 Volt 3 Amp General Purpose UL Class K5 Fuse ( Equal to NON, NLN, KON )

OT series general purpose fuses provide low cost protection for feeder and branch circuits serving lighting, heating, and other non-motor loads. OT fuses will safely interrupt available short circuit currents up to 50,000 amperes in all ratings. OT fuses are not rejection fuses – care should be taken to ensure that replacement fuses do not have lower interrupting ratings than original fuses.


  • Versatile
  • Lowest cost protection for circuits serving non-inductive loads
  • Easy to read imprint label for quick recognition and replacement
  • Low cost for high protection value


  • Feeders
  • Branch Circuits
  • Resistive Heating
  • Residential and Small Commercial Installations


  • UL Listed to Standard 248-9
  • CSA Certified to   Standard C22.2 No. 248.9
  • DC Tested to UL Standard 198L
  • Some ratings RoHS Compliant