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    1 Product
    About Fuses
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    Compare across fuse type, UL class, and voltage. Then cross-reference manufacturer part numbers to find suitable replacements.

    UL Class J Time-Delay Fuses for Tight Spaces

    Image of Product. Front orientation. Fuses. UL Class J Time-Delay Fuses for Tight Spaces , Ferrule Cartridge Fuse, Without Blown Fuse Indicator.

    Ferrule

    Cartridge Fuse,

    Without Blown

    Fuse Indicator

    Also known as dual-element fuses, these fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. More compact than UL Class RK1 or RK5 fuses, they are suitable for tight spaces. Use with Fuse Blocks for UL Class J Fuses.
    Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.
    Each
    Current,
    amp
    Fuse UL
    Class
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    With Blown Fuse
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    End
    Certification
    1-9
    10-Up
    Manufacturer Equivalent Fuse: AJT, JTD, LPJ-SP
     
    1 1/16" Overall Diameter
    45J600V AC, 300V DC300,000 amp @ 600V AC
    100,000 amp @ 300V DC    		2 3/8"2FerruleTime DelayNoNoUL Listed, CSA Certified
    		70325K415000000000000
    UL Class J Time-Delay Fuse for Tight Spaces, 45A, 600V AC/300V DC
    EachIn stock
     
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