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3AG 100-R (shown)

5x20mm and 1/4 x 1 1/4 Inch Glass/Ceramic Tube Fuses

Bel’s glass and ceramic tube fuses come in 5x20mm and ¼ x 1¼ inch standard sizes, with approvals to World-Wide safety standards including UL/CSA, IEC and PSE.

Used for primary circuit protection of almost any power supply, charger or industrial product.


  • Voltage Rating – 250VAC
  • Amp Range – 63mA to 15A
  • 10,000A, 125 VAC Interrupt Rating
  • Field Replaceable (used in PCB Clips or Panel Fuseholder)
  • Multiple Safety Agency Approvals
  • Operating Temperature: -55°C to 125°C

Design Features

  • UL/CSA Approvals for 125VAC Primary Circuit Protection (10,000A Interrupt Rating)
  • IEC 60127 Standard – VDE, SEMKO
  • Glass Tube, Nickel Plated End Caps
  • RoHS6 Compliant
  • Pb-Free
  • Halogen-Free
RoHS Compliant