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Class RK1 Fuse

Class RK1 Fuse
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A Class RK1 fuse is current limiting fuse that is rated to interrupt a minimum of 200,000 amps. Class RK1 fuses are rated at either 250 volts AC or 600 volts AC and are available in fast acting or time delay versions. Ampere ratings range from 1/10 to 600 amps. The time delay version has a dual element construction. Bussmann,Littlefuse and Mersen self certify their Class RK1 fuses to a 300,000 amp interrupting rating. Blown fuse indication versions are also available. Class RK1 fuses are UL Listed under UL 248-12, Class RK1 and CSA Certified.

Bussmann, Littelfuse and Mersen offer Class RK1 fuses. Bussmann uses the Low-Peak® and Limtitron® brand names for its Class RK1 fuses. Littelfuse markets its Class RK1 fuses under the POWR-PRO® and Indicator® brand names. Mersen uses the Amp-Trap 2000®, SmartSpot® and Amp-Trap® brand names.