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    8 Products
    About Fuses
    industrial info icon

    Decipher key specs from your fuse’s label and cross-reference manufacturer part numbers to find a suitable replacement.

    UL Class RK5 Fuses

    Image of Product. Front orientation. Fuses. UL Class RK5 Fuses , Knife-Blade Cartridge Fuse, With Blown Fuse Indicator.
    Image of Product. Front orientation. Fuses. UL Class RK5 Fuses , Knife-Blade Cartridge Fuse, Without Blown Fuse Indicator.

    Knife-Blade Cartridge

    Fuse, With Blown Fuse

    Indicator

    Knife-Blade Cartridge

    Fuse, Without Blown

    Fuse Indicator

    Also known as dual-element fuses, these time-delay 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. They have a rejection-style end design that safeguards against replacement errors. Use with Fuse Blocks for UL Class RK5 Fuses.
    With Blown Fuse Indicator—Fuses with blown fuse indicator have a dot on the side that changes color when the fuse blows.
    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: FLN-R, FRN-R, TR-R
     
    2 3/8" Overall Diameter
    300RK5250V AC, 250V DC200,000 amp @ 250V AC
    20,000 amp @ 250V DC    		8 5/8"2Knife BladeTime DelayNoYesUL Listed, CSA Certified
    		E4273053787_C_0007049K21800000000000000
     
    Manufacturer Equivalent Fuse: FLS-R, FRS-R, TRS-R
     
    2 11/32" Overall Diameter
    300RK5600V AC, 300V DC200,000 amp @ 600V AC
    20,000 amp @ 300V DC    		11 5/8"2Knife BladeTime DelayNoYesUL Listed, CSA Certified
    		E4273053787_C_0007049K34000000000000
     
    Manufacturer Equivalent Fuse: FRS-R-ID, IDSR, TRS-R-ID
     
    2 9/16" Overall Diameter
    300RK5600V AC, 600V DC200,000 amp @ 600V AC
    20,000 amp @ 600V DC    		11 5/8"2Knife BladeTime DelayYesYesUL Listed, CSA Certified
    		E2137012636_0_0007487K711000000000000
     

    UL Class T Fuses for Extra-Tight Spaces

    Image of Product. Front orientation. Fuses. UL Class T Fuses for Extra-Tight Spaces , Knife-Blade Cartridge Fuse.

    Knife-Blade

    Cartridge Fuse

    Smaller than UL Class J fuses, these fast-acting fuses can be used in extra-tight spaces such as meters, uninterruptible power supplies, and variable-speed drives. They open circuits quickly when surges are detected. Use with Fuse Blocks for UL Class T 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
    1-9
    10-Up
    Manufacturer Equivalent Fuse: A3T, JJN, JLLN
     
    1" Overall Diameter
    300T300V AC, 160V DC200,000 amp @ 300V AC
    20,000 amp @ 160V DC    		2 3/4"1Knife BladeFast ActingNoNoUL Listed, CSA Certified, CE Marked
    		70455K7800000000000000
     

    Fast-Acting Lift Truck Fuses

    Image of Product. Front orientation. Fuses. Fast-Acting Lift Truck Fuses .
    These fuses open circuits quickly when surges are detected. Use them on battery-operated lift trucks.
    With Blown Fuse Indicator—Fuses with blown fuse indicator have a dot on the side that changes color when the fuse blows.
    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.
    Fuses
    Fuse Holders
    Overall
    Current,
    amp
    Voltage
    Breakthrough Current @ Voltage
    Lg.
    Wd.
    No. of
    Elements
    Fuse Protection
    Type
    With Blown Fuse
    Indicator
    Certification
    Each
    Each
    Manufacturer Equivalent Fuse: ANN, CNN
    300125V AC, 80V DC2,500 amp @ 125V AC
    2,700 amp @ 80V DC    		3 3/16"7/8"1Fast ActingYesUL Recognized Component
    		70635K32100000070635K51000000
     

    Fuses for Sensitive Electronics

    Image of Product. Front orientation. Fuses. Fuses for Sensitive Electronics , Knife-Blade Cartridge Fuse.

    Knife-Blade

    Cartridge Fuse

    With a quicker response than standard fast-acting fuses, these fuses provide the best protection for sensitive electronics.
    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.
    Current,
    amp
    Voltage,
    V AC
    Breakthrough Current
    @ Voltage
    Overall
    Lg.
    No. of
    Elements
    Cartridge
    Fuse Type
    Fuse Protection
    Type
    With Blown Fuse
    Indicator
    Rejection-Style
    End
    Certification
    Each
    Manufacturer Equivalent Fuse: A15QS, FWA, L15S
     
    1 1/8" Overall Diameter
    300150100,000 amp @ 150V AC2 11/16"1Knife BladeFast ActingNoNoUL Recognized Component
    		74475K17000000
     
    Manufacturer Equivalent Fuse: A50QS, FWH, L50S
     
    1 1/2" Overall Diameter
    300500200,000 amp @ 500V AC4 5/16"1Knife BladeFast ActingNoNoUL Recognized Component
    		74475K351000000
     
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