Fuses

Circuit protection is a crucial aspect of electrical systems, and fuses play a significant role in ensuring the safety and proper functioning of these systems. Fuses are electrical safety devices that are designed to protect electrical circuits and equipment from damage caused by overcurrent conditions. They are typically made of a metal wire or filament that melts when an overcurrent is present, effectively breaking the circuit and preventing further damage. Fuses come in various sizes and amperage ratings to accommodate different types of electrical systems and applications. Fuses work by interrupting the flow of current when an overcurrent condition is present. Overcurrent conditions can occur due to several reasons, such as short circuits, component failures, or electrical surges. When an overcurrent is detected, the fuse's metal wire or filament melts, breaking the circuit and preventing further damage to the electrical system.

  • 0JLS001.T Littelfuse UL Class J Fast-Acting Fuse (600V, 1 Amp, 10 pack)

    0JLS001.T

    $66.43
    $102.30
    UL Class J Fast-Acting Fuse (600V, 1 Amp, 10 pack)
  • 0JLS003.T Littelfuse UL Class J Fast-Acting Fuse (600V, 3 Amps, 10 pack)

    0JLS003.T

    $63.81
    $98.26
    UL Class J Fast-Acting Fuse (600V, 3 Amps, 10 pack)
  • 0JLS006.T Littelfuse UL Class J Fast-Acting Fuse (600V, 6 Amps, 10 pack)

    0JLS006.T

    $60.91
    $93.80
    UL Class J Fast-Acting Fuse (600V, 6 Amps, 10 pack)
  • 0JLS010.T Littelfuse UL Class J Fast-Acting Fuse (600V, 10 Amps, 10 pack)

    0JLS010.T

    $56.75
    $87.40
    UL Class J Fast-Acting Fuse (600V, 10 Amps, 10 pack)
  • 0JLS015.T Littelfuse UL Class J Fast-Acting Fuse (600V, 15 Amps, 10 pack)

    0JLS015.T

    $56.75
    $87.40
    UL Class J Fast-Acting Fuse (600V, 15 Amps, 10 pack)
  • 0JLS020.T Littelfuse UL Class J Fast-Acting Fuse (600V, 20 Amps, 10 pack)

    0JLS020.T

    $56.75
    $87.40
    UL Class J Fast-Acting Fuse (600V, 20 Amps, 10 pack)
  • 0JLS025.T Littelfuse UL Class J Fast-Acting Fuse (600V, 25 Amps, 10 pack)

    0JLS025.T

    $63.81
    $98.26
    UL Class J Fast-Acting Fuse (600V, 25 Amps, 10 pack)
  • 0JLS030.T Littelfuse UL Class J Fast-Acting Fuse (600V, 30 Amps, 10 pack)

    0JLS030.T

    $52.90
    $81.46
    UL Class J Fast-Acting Fuse (600V, 30 Amps, 10 pack)
  • 0JLS035.T Littelfuse UL Class J Fast-Acting Fuse (600V, 35 Amps, 10 pack)

    0JLS035.T

    $100.82
    $155.26
    UL Class J Fast-Acting Fuse (600V, 35 Amps, 10 pack)
  • 0JLS040.T Littelfuse UL Class J Fast-Acting Fuse (600V, 40 Amps, 10 pack)

    0JLS040.T

    $92.55
    $142.52
    UL Class J Fast-Acting Fuse (600V, 40 Amps, 10 pack)
  • 0JLS045.T Littelfuse UL Class J Fast-Acting Fuse (600V, 45 Amps, 10 pack)

    0JLS045.T

    $100.82
    $155.26
    UL Class J Fast-Acting Fuse (600V, 45 Amps, 10 pack)
  • 0JLS050.T Littelfuse UL Class J Fast-Acting Fuse (600V, 50 Amps, 10 pack)

    0JLS050.T

    $92.55
    $142.52
    UL Class J Fast-Acting Fuse (600V, 50 Amps, 10 pack)
  • 0JLS060.T Littelfuse UL Class J Fast-Acting Fuse (600V, 60 Amps, 10 pack)

    0JLS060.T

    $87.04
    $134.04
    UL Class J Fast-Acting Fuse (600V, 60 Amps, 10 pack)
  • 0JLS070.V Littelfuse UL Class J Fast-Acting Fuse (600V, 70 Amps, 5 pack)

    0JLS070.V

    $150.77
    $232.18
    UL Class J Fast-Acting Fuse (600V, 70 Amps, 5 pack)
  • 0JLS080.V Littelfuse UL Class J Fast-Acting Fuse (600V, 80 Amps, 5 pack)

    0JLS080.V

    $158.01
    $243.34
    UL Class J Fast-Acting Fuse (600V, 80 Amps, 5 pack)
  • 0JLS090.V Littelfuse UL Class J Fast-Acting Fuse (600V, 90 Amps, 5 pack)

    0JLS090.V

    $163.14
    $251.24
    UL Class J Fast-Acting Fuse (600V, 90 Amps, 5 pack)
  • 0JLS100.V Littelfuse UL Class J Fast-Acting Fuse (600V, 100 Amps, 5 pack)

    0JLS100.V

    $134.55
    $207.20
    UL Class J Fast-Acting Fuse (600V, 100 Amps, 5 pack)
  • 0JLS110.X Littelfuse UL Class J Fast-Acting Fuse (600V, 110 Amps, 1 pack)

    0JLS110.X

    $297.82
    $458.64
    UL Class J Fast-Acting Fuse (600V, 110 Amps, 1 pack)
  • 0JLS125.X Littelfuse UL Class J Fast-Acting Fuse (600V, 125 Amps, 1 pack)

    0JLS125.X

    $291.21
    $448.46
    UL Class J Fast-Acting Fuse (600V, 125 Amps, 1 pack)
  • 0JLS150.X Littelfuse UL Class J Fast-Acting Fuse (600V, 150 Amps, 1 pack)

    0JLS150.X

    $277.96
    $428.06
    UL Class J Fast-Acting Fuse (600V, 150 Amps, 1 pack)
  • 0JLS175.X Littelfuse UL Class J Fast-Acting Fuse (600V, 175 Amps, 1 pack)

    0JLS175.X

    $285.01
    $438.92
    UL Class J Fast-Acting Fuse (600V, 175 Amps, 1 pack)
  • 0JLS200.X Littelfuse UL Class J Fast-Acting Fuse (600V, 200 Amps, 1 pack)

    0JLS200.X

    $253.88
    $390.98
    UL Class J Fast-Acting Fuse (600V, 200 Amps, 1 pack)
  • 0JLS225.X Littelfuse UL Class J Fast-Acting Fuse (600V, 225 Amps, 1 pack)

    0JLS225.X

    $646.94
    $996.28
    UL Class J Fast-Acting Fuse (600V, 225 Amps, 1 pack)
  • 0JLS250.X Littelfuse UL Class J Fast-Acting Fuse (600V, 250 Amps, 1 pack)

    0JLS250.X

    $646.94
    $996.28
    UL Class J Fast-Acting Fuse (600V, 250 Amps, 1 pack)
  • 0JLS300.X Littelfuse UL Class J Fast-Acting Fuse (600V, 300 Amps, 1 pack)

    0JLS300.X

    $591.26
    $910.54
    UL Class J Fast-Acting Fuse (600V, 300 Amps, 1 pack)
  • 0JLS350.X Littelfuse UL Class J Fast-Acting Fuse (600V, 350 Amps, 1 pack)

    0JLS350.X

    $646.94
    $996.28
    UL Class J Fast-Acting Fuse (600V, 350 Amps, 1 pack)
  • 0JLS400.X Littelfuse UL Class J Fast-Acting Fuse (600V, 400 Amps, 1 pack)

    0JLS400.X

    $558.57
    $860.20
    UL Class J Fast-Acting Fuse (600V, 400 Amps, 1 pack)
  • 0JLS450.X Littelfuse UL Class J Fast-Acting Fuse (600V, 450 Amps, 1 pack)

    0JLS450.X

    $923.79
    $1,422.64
    UL Class J Fast-Acting Fuse (600V, 450 Amps, 1 pack)
  • 0JLS500.X Littelfuse UL Class J Fast-Acting Fuse (600V, 500 Amps, 1 pack)

    0JLS500.X

    $914.97
    $1,409.06
    UL Class J Fast-Acting Fuse (600V, 500 Amps, 1 pack)
  • 0JLS600.X Littelfuse UL Class J Fast-Acting Fuse (600V, 600 Amps, 1 pack)

    0JLS600.X

    $804.74
    $1,239.30
    UL Class J Fast-Acting Fuse (600V, 600 Amps, 1 pack)
  • 0JTD.800T Littelfuse UL Class J Time-Delay Fuse (600V, 0.8 Amps, 10 pack)

    0JTD.800T

    $48.66
    $74.94
    UL Class J Time-Delay Fuse (600V, 0.8 Amps, 10 pack)
  • 0JTD.800TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 0.8 Amps, 10 pack)

    0JTD.800TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 0.8 Amps, 10 pack)
  • 0JTD001.T Littelfuse UL Class J Time-Delay Fuse (600V, 1 Amp, 10 pack)

    0JTD001.T

    $48.70
    $75.00
    UL Class J Time-Delay Fuse (600V, 1 Amp, 10 pack)
  • 0JTD001.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 1 Amp, 10 pack)

    0JTD001.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 1 Amp, 10 pack)
  • 0JTD002.T Littelfuse UL Class J Time-Delay Fuse (600V, 2 Amps, 10 pack)

    0JTD002.T

    $48.70
    $75.00
    UL Class J Time-Delay Fuse (600V, 2 Amps, 10 pack)
  • 0JTD002.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 2 Amps, 10 pack)

    0JTD002.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 2 Amps, 10 pack)
  • 0JTD003.T Littelfuse UL Class J Time-Delay Fuse (600V, 3 Amps, 10 pack)

    0JTD003.T

    $48.70
    $75.00
    UL Class J Time-Delay Fuse (600V, 3 Amps, 10 pack)
  • 0JTD003.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 3 Amps, 10 pack)

    0JTD003.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 3 Amps, 10 pack)
  • 0JTD004.T Littelfuse UL Class J Time-Delay Fuse (600V, 4 Amps, 10 pack)

    0JTD004.T

    $49.62
    $76.42
    UL Class J Time-Delay Fuse (600V, 4 Amps, 10 pack)
  • 0JTD004.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 4 Amps, 10 pack)

    0JTD004.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 4 Amps, 10 pack)
  • 0JTD005.T Littelfuse UL Class J Time-Delay Fuse (600V, 5 Amps, 10 pack)

    0JTD005.T

    $48.70
    $75.00
    UL Class J Time-Delay Fuse (600V, 5 Amps, 10 pack)
  • 0JTD005.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 5 Amps, 10 pack)

    0JTD005.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 5 Amps, 10 pack)
  • 0JTD006.T Littelfuse UL Class J Time-Delay Fuse (600V, 6 Amps, 10 pack)

    0JTD006.T

    $48.70
    $75.00
    UL Class J Time-Delay Fuse (600V, 6 Amps, 10 pack)
  • 0JTD006.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 6 Amps, 10 pack)

    0JTD006.TXID

    $52.23
    $80.44
    UL Class J Time-Delay Fuses With Indication (600V, 6 Amps, 10 pack)
  • 0JTD007.T Littelfuse UL Class J Time-Delay Fuse (600V, 7 Amps, 10 pack)

    0JTD007.T

    $50.92
    $78.42
    UL Class J Time-Delay Fuse (600V, 7 Amps, 10 pack)
  • 0JTD007.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 7 Amps, 10 pack)

    0JTD007.TXID

    $54.61
    $84.10
    UL Class J Time-Delay Fuses With Indication (600V, 7 Amps, 10 pack)
  • 0JTD008.T Littelfuse UL Class J Time-Delay Fuse (600V, 8 Amps, 10 pack)

    0JTD008.T

    $50.92
    $78.42
    UL Class J Time-Delay Fuse (600V, 8 Amps, 10 pack)
  • 0JTD008.TXID Littelfuse UL Class J Time-Delay Fuses With Indication (600V, 8 Amps, 10 pack)

    0JTD008.TXID

    $54.61
    $84.10
    UL Class J Time-Delay Fuses With Indication (600V, 8 Amps, 10 pack)