Mersen A2KR Fiberglass Fast Acting/Class RK1 Current Limiting Fuse, 250VAC/VDC, 200kA AC/20kA DC, 500 Ampere, 2-9/16

Mersen A2KR Fiberglass Fast Acting/Class RK1 Current Limiting Fuse, 250VAC/VDC, 200kA AC/20kA DC, 500 Ampere, 2-9/16" Diameter x 10-3/8" Length

Marsoni

M251S

$150.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Mersen A2KR Fiberglass Fast Acting/Class RK1 Current Limiting Fuse, 250VAC/VDC, 200kA AC/20kA DC, 500 Ampere, 2-9/16" Diameter x 10-3/8" LengthMersen fast acting fuses deliver a high degree of current limitation where need it most. Current limiting A2K fuses provide excellent protection where high available short circuit currents exist. These fast acting fuses are particularly good for branch feeder circuits and back up protection. Rejection style design prevents replacement by other fuse classes. Fiberglass body provides dimensional stability in harsh industrial environments. Easy to read

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My husband loves these. He’s got black, navy, bright blue, burgundy, grey…. and I’m sure I may be missing some! They hold up nicely after repeated washings in cold water in the machine and I always hang to dry. For golf they are fabulous because they are non constricting and comfortable while playing in the hot Florida sun which he does on a daily basis. They run very true to size….he takes his usual medium and they fit perfectly. Highly recommend!

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Reviewed in the United States on February 21, 2026