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Glass fuses have a low breaking capacity. It's easy to see when they're blown: the glass will be discolored and the filament broken. Replace yours today!

Ceramic fuses are high or low breaking capacity and can be used in many applications. Ceramic color can vary from a very light beige to dark gray.

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Littlefuse LLNRK Series

Littelfuse LLNRK and LLSRK series POWR-PRO-fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.

Manufacturer Littelfuse
Ampere 4A
Voltage Rating 250VAC 125V
Interrupt Rating 20 kA @ 125 Vdc
Speed Time Delay
Class Class H
Approvals AC and DC
Datasheet Product Specifications
Item Weight 0.05 lbs

TheFuseShop is not an authorized distributor of Bussmann, Eaton, Littelfuse, Mersen, or Ferraz Shawmut products.