All Parts are New

Fuses are sold individually

Amp-Trap 2000® AJT fuses provide non-indication as well as a SmartSpot visual open fuse indicator. With advanced material technology, the AJT fuse provides IEC Type 2 No Damage protection to main, feeder, and branch circuits, for all types of loads. Yet, they require only half the mounting space needed for 600VAC Class RK fuses. Their versatile design allows you to reduce the number of fuses you need to stock, saving both space and money.

The time-delay characteristics of AJT fuses are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability. By limiting high temperatures during fault conditions, they improve safety for both personnel and equipment. Mersen Class J fuses offer a reliable solution for demanding industrial applications where efficiency, protection, and cost savings matter.

AJT Fuses

  • AJT30 fuse

    AJT30 – Mersen – Fuse Class ‘J’ 30 Amp 600 Volt

    $9.99

    Part Number: AJT30

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 30 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    35 in stock

  • AJT300 Individual fuse

    AJT300 – Mersen – Fuse Class ‘J’ 300 Amp 600 Volt

    $129.99

    Part Number: AJT300

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 300 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    10 in stock

  • AJT35 Front view with manufacturer's label in English

    AJT35 – Mersen – Fuse Class ‘J’ 35 Amp 600 Volt

    $18.99

    Part Number: AJT35

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 35 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    47 in stock

  • AJT3N Front view with manufacturer's label in English

    AJT3N – Mersen – Fuse Class ‘J’ 3 Amp 600 Volt

    $11.99

    Part Number: AJT3N

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 3 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    26 in stock

  • AJT4-1/2N Front view with manufacturer's label in English

    AJT4-1/2N – Mersen – Fuse Class ‘J’ 4-1/2 Amp 600 Volt

    $11.99

    Part Number: AJT4-1/2N

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 4-1/2 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    30 in stock

  • AJT40 Front view with manufacturer's label in English

    AJT40 – Mersen – Fuse Class ‘J’ 40 Amp 600 Volt

    $17.99

    Part Number: AJT40

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 40 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    82 in stock

  • AJT400 fuse

    AJT400 – Mersen – Fuse Class ‘J’ 400 Amp 600 Volt

    $129.99

    Part Number: AJT400

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 400 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    12 in stock

  • AJT45 Front view with manufacturer's label in English

    AJT45 – Mersen – Fuse Class ‘J’ 45 Amp 600 Volt

    $17.99

    Part Number: AJT45

    Manufacturer: Mersen

    Description: Fuse Class ‘J’ 45 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    54 in stock

  • AJT450 FUSE

    AJT450 – Mersen – Fuse Class ‘J’ 450 Amp 600 Volt

    $199.99

    Part Number: AJT450

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 450 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    5 in stock

  • AJT4N Front view with manufacturer's label in English

    AJT4N – Mersen – Fuse Class ‘J’ 4 Amp 600 Volt

    $9.99

    Part Number: AJT4N

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 4 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    44 in stock

  • AJT5-6/10N Front view with manufacturer's label in English

    AJT5-6/10N – Mersen – Fuse Class ‘J’ 5-6/10 Amp 600 Volt

    $11.99

    Part Number: AJT5-6/10N

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 5-6/10 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    30 in stock

  • AJT50 Front view with manufacturer's label in English

    AJT50 – Mersen – Fuse Class ‘J’ 50 Amp 600 Volt

    $17.99

    Part Number: AJT50

    Manufacturer: Mersen

    Description: Fuse Class ‘J’, 50 Amp 600 Volt

    Sold individually

    More AJT Fuses

    More Fuses & Fuse Bases

    Add to cartLoading Done

    39 in stock