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Approvals & Standards

  • UL listed to standard 248-12 File E2137
  • CSA certified to standard C22.2 no. 248.12
  • DC listed to UL standard 248 TRS only

Key features & benefits

Tri-Onic TRS-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TRS-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.

More specifications


  • Motor circuits
  • Mains
  • Feeders
  • Branch circuits
  • Transformers
  • Service entrance equipment
  • General-purpose equipment

Product Specifications

Item Number


Item Description (ERP)

600V 1/2A 5x13/16 TD FUSE  


Fuse Tri-Onic® 600V 0.5A Time-Delay Class RK5 TRS Series  

EAN/UPC code


Rated voltage AC UL

600   V

Rated voltage DC UL

600   V


50/60   Hz

Rated current

0.5   A

Fuse class

Class RK5  


Time Delay  



AC Max I.R./Breaking Capacity: I1

200   kA

Contact materials


Connection/Terminal Type


Body/Insulating Material


Product Weight

0.0907   kg

Product Diameter

20.7   mm

Product Length

127   mm

Sell Pack Quantity

10   Each

Sell Pack Weight

0.9525   kg

Sell Pack Width

104.6   mm

Sell Pack Length

130   mm

Sell Pack Height

44.4   mm