Here is a used Ferraz Shawmut Tri-onic time delay midget fuse, model TRM8. the time delay is 12 seconds at 200% of rated load. The IR rating is 10,000 amps.

photo of the item

 (sold out)

List price is about $7.

Specifics:

  • brand: Ferraz Shawmut
  • part number: TRM8
  • country of origin: Mexico
  • Length: 1.5"
  • Diameter: 13/32"
  • Amperes: 8
  • Volt: 250

Condition: Used.