This screwcap is designed for D-type (Diazed) fuse bases, specifically the R1 1/4 size rated at 100A. It threads onto the fuse base with a thick (coarse) pitch thread, locking the fuse cartridge in place and providing a protective cover over the live contact point.

Replacing a worn or missing screwcap restores the mechanical protection of the fuse base and ensures the assembly meets its original specification. It is supplied individually.

Key Features

• R1 1/4 type — fits D-type (Diazed) fuse bases in the R1 1/4 size range
• 100A rating — matched to 100A fuse base assemblies
• Thick (coarse) thread pitch for secure engagement with the base

Product Benefits

• Restores mechanical protection over the fuse cartridge and live contact in the base
• Correct R1 1/4 thread pitch ensures a proper fit without cross-threading
• 100A specification matches the fuse base rating, maintaining the integrity of the assembly
• Individual supply allows replacement of a single worn or damaged cap without buying a full set

Technical Specifications

• Type: Screwcap (freder) for D-type fuse base
• Size: R1 1/4
• Current Rating: 100A
• Thread: Thick (coarse) pass

Why You'll Love It

• Exact R1 1/4 sizing removes guesswork when replacing a cap on an existing fuse base
• 100A rating is clearly specified, so you can match it to your panel's fuse base without consulting additional references
• Coarse thread design threads on quickly during installation or maintenance
• Package includes: 1× Screwcap for fuse base R1/100A/Thick thread, 1/4 (freder)