Electrical Fuses & Fuse Parts

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.

  • IDSR300.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 300 Amps, 1 pack)

    IDSR300.X

    $445.29
    $685.74
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 300 Amps, 1 pack)
  • IDSR350.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 350 Amps, 1 pack)

    IDSR350.X

    $445.29
    $685.74
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 350 Amps, 1 pack)
  • IDSR400.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 400 Amps, 1 pack)

    IDSR400.X

    $445.29
    $685.74
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 400 Amps, 1 pack)
  • IDSR450.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 450 Amps, 1 pack)

    IDSR450.X

    $646.30
    $995.30
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 450 Amps, 1 pack)
  • IDSR500.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 500 Amps, 1 pack)

    IDSR500.X

    $646.30
    $995.30
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 500 Amps, 1 pack)
  • IDSR6.25T Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 6.25 Amps, 10 pack)

    IDSR6.25T

    $37.43
    $57.64
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 6.25 Amps, 10 pack)
  • IDSR600.X Littelfuse UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 600 Amps, 1 pack)

    IDSR600.X

    $646.30
    $995.30
    UL Class RK5 Dual-Element Time-Delay Fuse With Indication (600V, 600 Amps, 1 pack)
  • KLDR.100HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.1 Amps, 100 pack)

    KLDR.100HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.1 Amps, 100 pack)
  • KLDR.100TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.1 Amps, 10 pack)

    KLDR.100TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.1 Amps, 10 pack)
  • KLDR.125HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.125 Amps, 100 pack)

    KLDR.125HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.125 Amps, 100 pack)
  • KLDR.125TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.125 Amps, 10 pack)

    KLDR.125TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.125 Amps, 10 pack)
  • KLDR.150HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.15 Amps, 100 pack)

    KLDR.150HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.15 Amps, 100 pack)
  • KLDR.150TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.15 Amps, 10 pack)

    KLDR.150TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.15 Amps, 10 pack)
  • KLDR.187HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.187 Amps, 100 pack)

    KLDR.187HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.187 Amps, 100 pack)
  • KLDR.187TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.187 Amps, 10 pack)

    KLDR.187TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.187 Amps, 10 pack)
  • KLDR.200HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.2 Amps, 100 pack)

    KLDR.200HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.2 Amps, 100 pack)
  • KLDR.200TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.2 Amps, 10 pack)

    KLDR.200TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.2 Amps, 10 pack)
  • KLDR.250HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.25 Amps, 100 pack)

    KLDR.250HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.25 Amps, 100 pack)
  • KLDR.250TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.25 Amps, 10 pack)

    KLDR.250TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.25 Amps, 10 pack)
  • KLDR.300HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.3 Amps, 100 pack)

    KLDR.300HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.3 Amps, 100 pack)
  • KLDR.300TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.3 Amps, 10 pack)

    KLDR.300TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.3 Amps, 10 pack)
  • KLDR.400HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.4 Amps, 100 pack)

    KLDR.400HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.4 Amps, 100 pack)
  • KLDR.400TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.4 Amps, 10 pack)

    KLDR.400TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.4 Amps, 10 pack)
  • KLDR.500HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.5 Amps, 100 pack)

    KLDR.500HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.5 Amps, 100 pack)
  • KLDR.500TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.5 Amps, 10 pack)

    KLDR.500TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.5 Amps, 10 pack)
  • KLDR.600HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.6 Amps, 100 pack)

    KLDR.600HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.6 Amps, 100 pack)
  • KLDR.600TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.6 Amps, 10 pack)

    KLDR.600TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.6 Amps, 10 pack)
  • KLDR.750HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.75 Amps, 100 pack)

    KLDR.750HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.75 Amps, 100 pack)
  • KLDR.750TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.75 Amps, 10 pack)

    KLDR.750TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.75 Amps, 10 pack)
  • KLDR.800HXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.8 Amps, 100 pack)

    KLDR.800HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.8 Amps, 100 pack)
  • KLDR.800TXP Littelfuse UL Class CC Time Delay Fuse (600V, 0.8 Amps, 10 pack)

    KLDR.800TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 0.8 Amps, 10 pack)
  • KLDR001.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 1 Amp, 100 pack)

    KLDR001.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 1 Amp, 100 pack)
  • KLDR001.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 1 Amp, 10 pack)

    KLDR001.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 1 Amp, 10 pack)
  • KLDR002.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 2 Amps, 100 pack)

    KLDR002.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 2 Amps, 100 pack)
  • KLDR002.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 2 Amps, 10 pack)

    KLDR002.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 2 Amps, 10 pack)
  • KLDR003.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 3 Amps, 100 pack)

    KLDR003.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 3 Amps, 100 pack)
  • KLDR003.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 3 Amps, 10 pack)

    KLDR003.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 3 Amps, 10 pack)
  • KLDR004.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 4 Amps, 100 pack)

    KLDR004.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 4 Amps, 100 pack)
  • KLDR004.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 4 Amps, 10 pack)

    KLDR004.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 4 Amps, 10 pack)
  • KLDR005.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 5 Amps, 100 pack)

    KLDR005.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 5 Amps, 100 pack)
  • KLDR005.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 5 Amps, 10 pack)

    KLDR005.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 5 Amps, 10 pack)
  • KLDR006.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 6 Amps, 100 pack)

    KLDR006.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 6 Amps, 100 pack)
  • KLDR006.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 6 Amps, 10 pack)

    KLDR006.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 6 Amps, 10 pack)
  • KLDR007.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 7 Amps, 100 pack)

    KLDR007.HXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 7 Amps, 100 pack)
  • KLDR007.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 7 Amps, 10 pack)

    KLDR007.TXP

    $48.75
    $75.08
    UL Class CC Time Delay Fuse (600V, 7 Amps, 10 pack)
  • KLDR008.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 8 Amps, 100 pack)

    KLDR008.HXP

    $49.66
    $76.48
    UL Class CC Time Delay Fuse (600V, 8 Amps, 100 pack)
  • KLDR008.TXP Littelfuse UL Class CC Time Delay Fuse (600V, 8 Amps, 10 pack)

    KLDR008.TXP

    $49.66
    $76.48
    UL Class CC Time Delay Fuse (600V, 8 Amps, 10 pack)
  • KLDR009.HXP Littelfuse UL Class CC Time Delay Fuse (600V, 9 Amps, 100 pack)

    KLDR009.HXP

    $49.66
    $76.48
    UL Class CC Time Delay Fuse (600V, 9 Amps, 100 pack)