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    53 Products

    UL Class K5 Fuses

    Image of Product. Front orientation. Fuses. UL Class K5 Fuses , Ferrule Cartridge Fuse.
    Image of Product. Front orientation. Fuses. UL Class K5 Fuses , Knife-Blade Cartridge Fuse.

    Ferrule

    Cartridge Fuse

    Knife-Blade

    Cartridge Fuse

    Use these fast-acting fuses in applications where temporary overload current is not present, such as in lighting and heating. They open circuits quickly when surges are detected. Use with Fuse Blocks for UL Class K5 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.
    CSA File
    No.
    1-9
    10-Up
    Manufacturer Equivalent Fuse: NLN, NON, OT
     
    9/16" Overall Diameter
    1K5250V AC, 125V DC50,000 amp @ 250V AC
    50,000 amp @ 125V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified, CE Marked
    E4273053787_C_000000000000000000000
    2K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    3K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    4K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    5K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    6K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    7K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    8K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    10K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    12K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    15K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    20K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    25K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    30K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
     
    13/16" Overall Diameter
    35K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    3"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    40K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    3"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    45K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    3"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    50K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    3"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
    60K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    3"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_0000000000000000000
     
    1 1/16" Overall Diameter
    70K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    5 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    80K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    5 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    100K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    5 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     
    1 9/16" Overall Diameter
    200K5250V AC, 250V DC50,000 amp @ 250V AC
    20,000 amp @ 250V DC
    7 1/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     
    Manufacturer Equivalent Fuse: NLS, NOS, OTS
     
    13/16" Overall Diameter
    3K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    5K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    10K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    15K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    20K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    25K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    30K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     
    1 1/16" Overall Diameter
    35K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5 1/2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_00000000000000000000
    40K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5 1/2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    50K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5 1/2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    60K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    5 1/2"1FerruleFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     
    1 5/16" Overall Diameter
    70K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    7 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    80K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    7 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
    100K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    7 7/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     
    1 13/16" Overall Diameter
    200K5600V AC, 300V DC50,000 amp @ 600V AC
    20,000 amp @ 300V DC
    9 5/8"1Knife BladeFast ActingNoNoUL Listed, CSA Certified
    E2137012636_0_000000000000000000000
     

    Fuse Blocks for UL Class Fuses

    Image of Product. For 1 Fuse, Box-Lug Terminal Wire Connection. Front orientation. Fuse Blocks. Fuse Blocks for UL Class Fuses, For 1 Fuses, Box-Lug-Terminal Wire Connection.
    Image of Product. Front orientation. Fuse Blocks. Fuse Blocks for UL Class Fuses, For 2 Fuses, Box-Lug-Terminal Wire Connection.
    Image of Product. Front orientation. Fuse Blocks. Fuse Blocks for UL Class Fuses, For 3 Fuses, Box-Lug-Terminal Wire Connection.

    For 1 Fuse,

    Box-Lug

    Terminal Wire

    Connection

    For 2 Fuses,

    Box-Lug-Terminal

    Wire Connection

    For 3 Fuses,

    Box-Lug-Terminal Wire

    Connection

    For Fuse
    For No.
    of Fuses
    UL
    Class
    Current,
    amp
    Type
    Voltage,
    V AC
    Wire Connection
    Certification
    Each
    For Fuse Manufacturer Equivalent: NON, NLN, OT, REN, RF, RLN
    1H, K51/10 to 30Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    00000000000000
    1H, K531 to 60Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    1H, K561 to 100Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    000000000000
    2H, K51/10 to 30Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    2H, K531 to 60Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K51/10 to 30Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K531 to 60Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K561 to 100Cartridge250Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
     
    For Fuse Manufacturer Equivalent: NOS, NLS, OTS, RES, RFS, RLS
    1H, K51/10 to 30Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    1H, K531 to 60Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    2H, K51/10 to 30Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    2H, K531 to 60Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K51/10 to 30Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K531 to 60Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
    3H, K561 to 100Cartridge600Box-Lug TerminalUL Listed, CSA Certified, CE Marked
    0000000000000
     
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