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.

  • 0JTD045.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (45 Amp)

    0JTD045.TXID

    $63.96
    $108.74
    UL Class J Time-Delay Fuse with Indication (45 Amp)
  • 0JTD040.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (40 Amp)

    0JTD040.TXID

    $63.96
    $108.74
    UL Class J Time-Delay Fuse with Indication (40 Amp)
  • 0JTD035.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (35 Amp)

    0JTD035.TXID

    $63.96
    $108.74
    UL Class J Time-Delay Fuse with Indication (35 Amp)
  • 0JTD030.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (30 Amp)

    0JTD030.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (30 Amp)
  • 0JTD025.TXID | Littlefuse UL Class J Time-Delay with Indication (25 Amp)

    0JTD025.TXID

    $38.58
    $65.58
    UL Class J Time-Delay with Indication (25 Amp)
  • 0JTD020.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (20 Amp)

    0JTD020.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (20 Amp)
  • 0JTD17.5TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (17.5 Amp)

    0JTD17.5TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (17.5 Amp)
  • 0JTD015.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (15 Amp)

    0JTD015.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (15 Amp)
  • 0JTD012.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (12 Amp)

    0JTD012.TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (12 Amp)
  • 0JTD009.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (9 Amp)

    0JTD009.TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (9 Amp)
  • 0JTD008.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (8 Amp)

    0JTD008.TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (8 Amp)
  • 0JTD007.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (7 Amp)

    0JTD007.TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (7 Amp)
  • 0JTD006.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (6 Amp)

    0JTD006.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (6 Amp)
  • 0JTD05.6TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (5.6 Amp)

    0JTD05.6TXID

    $40.20
    $68.34
    UL Class J Time-Delay Fuse with Indication (5.6 Amp)
  • 0JTD005.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (5 Amp)

    0JTD005.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (5 Amp)
  • 0JTD04.5TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (4.5 Amp)

    0JTD04.5TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (4.5 Amp)
  • 0JTD004.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (4 Amp)

    0JTD004.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (4 Amp)
  • 0JTD03.5TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (3.5 Amp)

    0JTD03.5TXID

    $40.33
    $68.56
    UL Class J Time-Delay Fuse with Indication (3.5 Amp)
  • 0JTD03.2TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (3.2 Amp)

    0JTD03.2TXID

    $40.62
    $69.06
    UL Class J Time-Delay Fuse with Indication (3.2 Amp)
  • 0JTD003.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (3 Amp)

    0JTD003.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (3 Amp)
  • 0JTD02.8TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (2.8 Amp)

    0JTD02.8TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (2.8 Amp)
  • 0JTD02.5TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (2.5 Amp)

    0JTD02.5TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (2.5 Amp)
  • 0JTD2.25TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (2.25 Amp)

    0JTD2.25TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (2.25 Amp)
  • 0JTD002.TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (2 Amp)

    0JTD002.TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (2 Amp)
  • 0JTD01.8TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (1.8 Amp)

    0JTD01.8TXID

    $39.45
    $67.06
    UL Class J Time-Delay Fuse with Indication (1.8 Amp)
  • 0JTD01.6TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (1.6 Amp)

    0JTD01.6TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (1.6 Amp)
  • 0JTD01.5TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (1.5 Amp)

    0JTD01.5TXID

    $39.45
    $67.06
    UL Class J Time-Delay Fuse with Indication (1.5 Amp)
  • 0JTD1.25TXID | Littlefuse UL Class J Time-Delay Fuse with Indication (1.25 Amp)

    0JTD1.25TXID

    $38.58
    $65.58
    UL Class J Time-Delay Fuse with Indication (1.25 Amp)
  • KLSR600.X | Littlefuse UL Class RK1 Fast Acting Fuse (600 Amp)

    KLSR600.X

    $1,077.53
    $1,831.80
    UL Class RK1 Fast Acting Fuse (600 Amp)
  • KLSR500.X | Littlefuse UL Class RK1 Fast Acting Fuse (500 Amp)

    KLSR500.X

    $1,077.53
    $1,831.80
    UL Class RK1 Fast Acting Fuse (500 Amp)
  • KLSR450.X | Littlefuse UL Class RK1 Fast Acting Fuse (450 Amp)

    KLSR450.X

    $1,077.53
    $1,831.80
    UL Class RK1 Fast Acting Fuse (450 Amp)
  • KLSR400.X | Littlefuse UL Class RK1 Fast Acting Fuse (400 Amp)

    KLSR400.X

    $780.95
    $1,327.62
    UL Class RK1 Fast Acting Fuse (400 Amp)
  • KLSR350.X | Littlefuse UL Class RK1 Fast Acting Fuse (350 Amp)

    KLSR350.X

    $780.95
    $1,327.62
    UL Class RK1 Fast Acting Fuse (350 Amp)
  • KLSR300.X | Littlefuse UL Class RK1 Fast Acting Fuse (300 Amp)

    KLSR300.X

    $780.95
    $1,327.62
    UL Class RK1 Fast Acting Fuse (300 Amp)
  • KLSR250.X | Littlefuse UL Class RK1 Fast Acting Fuse (250 Amp)

    KLSR250.X

    $780.95
    $1,327.62
    UL Class RK1 Fast Acting Fuse (250 Amp)
  • KLSR225.X | Littlefuse UL Class RK1 Fast Acting Fuse (225 Amp)

    KLSR225.X

    $780.95
    $1,327.62
    UL Class RK1 Fast Acting Fuse (225 Amp)
  • KLSR200.X | Littlefuse UL Class RK1 Fast Acting Fuse (200 Amp)

    KLSR200.X

    $395.09
    $671.66
    UL Class RK1 Fast Acting Fuse (200 Amp)
  • KLSR175.X | Littlefuse UL Class RK1 Fast Acting Fuse (175 Amp)

    KLSR175.X

    $395.09
    $671.66
    UL Class RK1 Fast Acting Fuse (175 Amp)
  • KLSR150.X | Littlefuse UL Class RK1 Fast Acting Fuse (150 Amp)

    KLSR150.X

    $395.09
    $671.66
    UL Class RK1 Fast Acting Fuse (150 Amp)
  • KLSR125.X | Littlefuse UL Class RK1 Fast Acting Fuse (125 Amp)

    KLSR125.X

    $395.09
    $671.66
    UL Class RK1 Fast Acting Fuse (125 Amp)
  • KLSR110.X | Littlefuse UL Class RK1 Fast Acting Fuse (110 Amp)

    KLSR110.X

    $395.09
    $671.66
    UL Class RK1 Fast Acting Fuse (110 Amp)
  • KLSR100.V | Littlefuse UL Class RK1 Fast Acting Fuse (100 Amp)

    KLSR100.V

    $209.13
    $355.52
    UL Class RK1 Fast Acting Fuse (100 Amp)
  • KLSR090.V | Littlefuse UL Class RK1 Fast Acting Fuse (90 Amp)

    KLSR090.V

    $209.13
    $355.52
    UL Class RK1 Fast Acting Fuse (90 Amp)
  • KLSR080.V | Littlefuse UL Class RK1 Fast Acting Fuse (80 Amp)

    KLSR080.V

    $209.13
    $355.52
    UL Class RK1 Fast Acting Fuse (80 Amp)
  • KLSR060.T | Littlefuse UL Class RK1 Fast Acting Fuse (60 Amp)

    KLSR060.T

    $101.13
    $171.92
    UL Class RK1 Fast Acting Fuse (60 Amp)
  • KLSR050.T | Littlefuse UL Class RK1 Fast Acting Fuse (50 Amp)

    KLSR050.T

    $101.13
    $171.92
    UL Class RK1 Fast Acting Fuse (50 Amp)
  • KLSR045.T | Littlefuse UL Class RK1 Fast Acting Fuse (45 Amp)

    KLSR045.T

    $101.13
    $171.92
    UL Class RK1 Fast Acting Fuse (45 Amp)
  • KLSR040.T | Littlefuse UL Class RK1 Fast Acting Fuse (40 Amp)

    KLSR040.T

    $101.13
    $171.92
    UL Class RK1 Fast Acting Fuse (40 Amp)