Class J Fuses

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Littelfuse
Littelfuse fuse reducers allow smaller size fuses to be installed into existing fuse clips to prevent overfusing.
MFR: Littelfuse
MFR #: LRUJ41
UPC: 079458015171
Item #: 1549966
Available to Order
$1040.13 each
Availability
Location Available Qty
Littelfuse
The SPFJ series is the smallest 1000 V dc 70-450 A dc Full Range fuse available in the market. The SPFJ series is manufactured in Class J case sizes are suitable for photovoltaic, DC cable protection, EV off-board charging and other dc applications. that allows for both fuse holder and busbar mounting config.
MFR: Littelfuse
MFR #: SPFJ400.X
UPC: 079458949308
Item #: 1487720
Available to Order
$1844.88 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD004ID
UPC: 079458025774
Item #: 1503933
Available to Order
$161.08 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD04.5
UPC: 079458053647
Item #: 1519125
Available to Order
$156.83 each
Availability
Location Available Qty
Mersen
Reducer Fuse AJT - Class J - Time-delay 600VAC 500VDC 200A Blade
MFR: Mersen
MFR #: AJT200/400
UPC: 782001447410
Item #: 1560922
Available to Order
$941.43 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 400VDC 45A Ferrule
MFR: Mersen
MFR #: AJT45N
UPC: 782001497767
Item #: 1387197
Available to Order
$102.60 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 500VDC 1.25A Ferrule
MFR: Mersen
MFR #: AJT1-1/4N
UPC: 782001497972
Item #: 1387193
Available to Order
$66.61 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 400VDC 80A Blade
MFR: Mersen
MFR #: AJT80N
UPC: 782001497804
Item #: 1494998
Available to Order
$215.81 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 500VDC 9A Ferrule
MFR: Mersen
MFR #: AJT9N
UPC: 782001497668
Item #: 1455346
In Stock -
$62.41 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 500VDC 400A Blade
MFR: Mersen
MFR #: AJT400N
UPC: 782001497927
Item #: 1314460
Available to Order
$882.20 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 500VDC 600A Blade
MFR: Mersen
MFR #: AJT600N
UPC: 782001497958
Item #: 1332883
Available to Order
$1353.06 each
Availability
Location Available Qty
Mersen
Fuse AJT - Class J - Time-delay 600VAC 400VDC 50A Ferrule
MFR: Mersen
MFR #: AJT50N
UPC: 782001497774
Item #: 1430369
Available to Order
$102.47 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD002
UPC: 079458202038
Item #: 1401497
Available to Order
$150.20 each
Availability
Location Available Qty
Littelfuse
The SPFJ series is the smallest 1000 V dc 70-450 A dc Full Range fuse available in the market. The SPFJ series is manufactured in Class J case sizes are suitable for photovoltaic, DC cable protection, EV off-board charging and other dc applications. that allows for both fuse holder and busbar mounting config.
MFR: Littelfuse
MFR #: SPFJ300.X
UPC: 079458949285
Item #: 1027246
Available to Order
$1844.88 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD175ID
UPC: 079458031843
Item #: 1332342
Available to Order
$1135.33 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 15A Ferrule
MFR: Mersen
MFR #: HSJ15
UPC: 782001329464
Item #: 237321
Available to Order
$89.10 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 100A Blade
MFR: Mersen
MFR #: HSJ100
UPC: 782001329594
Item #: 670524
Available to Order
$313.90 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 80A Blade
MFR: Mersen
MFR #: HSJ80
UPC: 782001329570
Item #: 7998
Available to Order
$313.90 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 50A Ferrule
MFR: Mersen
MFR #: HSJ50
UPC: 782001329532
Item #: 15473
Available to Order
$152.10 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 400A Blade
MFR: Mersen
MFR #: HSJ400
UPC: 782001329709
Item #: 205429
Available to Order
$1260.08 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 40A Ferrule
MFR: Mersen
MFR #: HSJ40
UPC: 782001329518
Item #: 205963
Available to Order
$152.10 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 35A Ferrule
MFR: Mersen
MFR #: HSJ35
UPC: 782001329501
Item #: 120462
Available to Order
$152.10 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 300A Blade
MFR: Mersen
MFR #: HSJ300
UPC: 782001329686
Item #: 684083
Available to Order
$1260.08 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 225A Blade
MFR: Mersen
MFR #: HSJ225
UPC: 782001329662
Item #: 684082
Available to Order
$1321.83 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 200A Blade
MFR: Mersen
MFR #: HSJ200
UPC: 782001329655
Item #: 60135
Available to Order
$627.81 each
Availability
Location Available Qty
Mersen
Fuse HSJ - Class J - High-Speed 600VAC 500VDC 175A Blade
MFR: Mersen
MFR #: HSJ175
UPC: 782001329648
Item #: 768789
Available to Order
$652.47 each
Availability
Location Available Qty
Mersen
PV Fuse gPV 1000VDC UL 80A Blade Clip or Bolted
MFR: Mersen
MFR #: HP10J80
UPC: 782001452315
Item #: 1150596
Available to Order
$568.56 each
Availability
Location Available Qty
Mersen
Reducer Fuse AJT - Class J - Time-delay 600VAC 500VDC 125A Blade
MFR: Mersen
MFR #: AJT125/400
UPC: 782001460587
Item #: 1346900
Available to Order
$853.96 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD030ID
UPC: 079458025897
Item #: 24984
Available to Order
$161.08 each
Availability
Location Available Qty
Littelfuse
The UL Listed Class J JLS Series fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Littelfuses JLS Series fuses offer best in class current limitation that prevents equipment damage from overcurrent faults.
MFR: Littelfuse
MFR #: JLS060
UPC: 079458200782
Item #: 203771
Available to Order
$259.50 each
Availability
Location Available Qty
Littelfuse
The UL Listed Class J JLS Series fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Littelfuses JLS Series fuses offer best in class current limitation that prevents equipment damage from overcurrent faults.
MFR: Littelfuse
MFR #: JLS045
UPC: 079458200768
Item #: 962457
Available to Order
$300.55 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD600
UPC: 079458202373
Item #: 886497
Available to Order
$3337.08 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 15A
MFR: Littelfuse
MFR #: JTD015
UPC: 079458202113
Item #: 965352
In Stock -
$150.20 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 40A
MFR: Littelfuse
MFR #: JTD040
UPC: 079458202175
Item #: 966028
In Stock -
$248.68 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 25A
MFR: Littelfuse
MFR #: JTD025
UPC: 079458202144
Item #: 62234
In Stock -
$150.08 each
Availability
Location Available Qty
Littelfuse
The UL Listed Class J JLS Series fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Littelfuses JLS Series fuses offer best in class current limitation that prevents equipment damage from overcurrent faults.
MFR: Littelfuse
MFR #: JLS100
UPC: 079458200829
Item #: 197330
Available to Order
$401.08 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD250
UPC: 079458202311
Item #: 59370
Available to Order
$2121.43 each
Availability
Location Available Qty
Littelfuse
Fuse 600V F/A Class J 35A
MFR: Littelfuse
MFR #: JLS035
UPC: 079458200744
Item #: 962449
In Stock -
$300.55 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD400
UPC: 079458202342
Item #: 279481
Available to Order
$2121.43 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD006ID
UPC: 079458025811
Item #: 871982
Available to Order
$161.08 each
Availability
Location Available Qty
Littelfuse
The UL Listed Class J JLS Series fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Littelfuses JLS Series fuses offer best in class current limitation that prevents equipment damage from overcurrent faults.
MFR: Littelfuse
MFR #: JLS500
UPC: 079458200966
Item #: 465088
Available to Order
$2727.58 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 40A Indicating
MFR: Littelfuse
MFR #: JTD040ID
UPC: 079458025910
Item #: 730337
Available to Order
Phone: 1-855-999-2372 Email Contact Us
Availability
Location Available Qty
Littelfuse
Fuse 600V F/A Class J 90A
MFR: Littelfuse
MFR #: JLS090
UPC: 079458200812
Item #: 962470
Available to Order
$486.33 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 35A Indicating
MFR: Littelfuse
MFR #: JTD035ID
UPC: 079458025903
Item #: 225851
Available to Order
$267.13 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 35A
MFR: Littelfuse
MFR #: JTD035
UPC: 079458202168
Item #: 966026
In Stock -
$248.68 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class J 80A
MFR: Littelfuse
MFR #: JTD080
UPC: 079458202229
Item #: 234170
In Stock -
$528.43 each
Availability
Location Available Qty
Littelfuse
The UL Listed Class J JLS Series fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Littelfuses JLS Series fuses offer best in class current limitation that prevents equipment damage from overcurrent faults.
MFR: Littelfuse
MFR #: JLS015
UPC: 079458200683
Item #: 962445
Available to Order
$169.18 each
Availability
Location Available Qty
Littelfuse
The Littelfuse POWR-PRO JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
MFR: Littelfuse
MFR #: JTD2.25
UPC: 079458031997
Item #: 646090
Available to Order
$150.20 each
Availability
Location Available Qty