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    1 Product
    About Fuses
    industrial info icon

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

    UL Class J Fast-Acting Fuses for Tight Spaces

    Image of Product. Front orientation. Fuses. UL Class J Fast-Acting Fuses for Tight Spaces , Ferrule Cartridge Fuse.

    Ferrule

    Cartridge Fuse

    These fuses open circuits quickly when surges are detected. 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
    Voltage
    Breakthrough Current @ Voltage
    Overall
    Lg.
    No. of
    Elements
    Cartridge
    Fuse Type
    Fuse Protection
    Type
    With Blown Fuse
    Indicator
    Rejection-Style
    End
    Certification
    UL File
    No.
    1-9
    10-Up
    Manufacturer Equivalent Fuse: A4J, JKS, JLS
     
    13/16" Overall Diameter
    30J600V AC, 200V DC200,000 amp @ 600V AC
    10,000 amp @ 200V DC    		2 1/4"1FerruleFast ActingNoNoUL Listed, CSA Certified
    		E42736985K721000000000000
    UL Class J Fast-Acting Fuse for Tight Spaces, 30A
    EachIn stock
     
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