We’ve encountered an issue with your company account, so you will be unable to complete checkout. Please contact ar@ebhorsman.com for resolution

Cart ()
Menu
Account
Settings

Class J Fuses

Set Descending Direction
View as Grid List
per page
  1. A4J100 Ferraz Shawmut_A4J100
    A4J100
    Mersen 100A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $41.99
    Mersen
    / each
    PN: #A4J100
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  2. AJT100 Ferraz Shawmut_AJT100
    AJT100
    Mersen 100A Low Voltage Time Delay Power Fuse, Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $60.99
    Mersen
    / each
    PN: #AJT100
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  3. HSJ100 Ferraz Shawmut_HSJ100
    HSJ100
    Mersen 100A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 200/100 kA, Class J
    $187.99
    Mersen
    / each
    PN: #HSJ100
    Limited Qty Available Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  4. A4J20 Ferraz Shawmut_A4J20
    A4J20
    Mersen 20A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $14.99
    Mersen
    / each
    PN: #A4J20
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  5. AJT20 Ferraz Shawmut_AJT20
    AJT20
    Mersen 20A Low Voltage Time Delay Power Fuse, Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $18.99
    Mersen
    / each
    PN: #AJT20
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  6. HSJ20 Ferraz Shawmut_HSJ20
    HSJ20
    Mersen 20A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 200/100 kA, Class J
    $58.99
    Mersen
    / each
    PN: #HSJ20
    Limited Qty Available Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  7. A4J10 Ferraz Shawmut_A4J10
    A4J10
    Mersen 10A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $14.99
    Mersen
    / each
    PN: #A4J10
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  8. AJT10 Ferraz Shawmut_AJT10
    AJT10
    Mersen 10A Low Voltage Time Delay Power Fuse, Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $18.99
    Mersen
    / each
    PN: #AJT10
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  9. HSJ10 Ferraz Shawmut_HSJ10
    HSJ10
    Mersen 10A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 100/200 kA, Class J
    $60.99
    Mersen
    / each
    PN: #HSJ10
    Limited Qty Available Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  10. A4J60 Ferraz Shawmut_A4J60
    A4J60
    Mersen 60A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $25.99
    Mersen
    / each
    PN: #A4J60
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  11. AJT60 Ferraz Shawmut_AJT60
    AJT60
    Mersen 60A Low Voltage Time Delay Power Fuse,Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $29.99
    Mersen
    / each
    PN: #AJT60
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  12. HSJ60 Ferraz Shawmut_HSJ60
    HSJ60
    Mersen 60A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 200/100 kA, Class J
    $93.99
    Mersen
    / each
    PN: #HSJ60
    Available for Backorder Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  13. A4J30 Ferraz Shawmut_A4J30
    A4J30
    Mersen 30A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $15.99
    Mersen
    / each
    PN: #A4J30
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  14. AJT30 Ferraz Shawmut_AJT30
    AJT30
    Mersen 30A Low Voltage Time Delay Power Fuse, Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $18.99
    Mersen
    / each
    PN: #AJT30
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  15. HSJ30 Ferraz Shawmut_HSJ30
    HSJ30
    Mersen 30A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 200/100 kA, Class J
    $58.99
    Mersen
    / each
    PN: #HSJ30
    Available for Backorder Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  16. A4J200 Ferraz Shawmut_A4J200
    A4J200
    Mersen 200A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $75.99
    Mersen
    / each
    PN: #A4J200
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  17. AJT200 Ferraz Shawmut_AJT200
    AJT200
    Mersen 200A Low Voltage Time Delay Power Fuse, Class J,Indicating, 600 VAC/500 VDC, 200/100 kA
    $107.99
    Mersen
    / each
    PN: #AJT200
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  18. HSJ200 Ferraz Shawmut_HSJ200
    HSJ200
    Mersen 200A Low Voltage High Speed Power Fuse, 600 VAC/500 VDC, 200/100 kA, Class J
    $336.99
    Mersen
    / each
    PN: #HSJ200
    Available for Backorder Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  19. A4J1 Ferraz Shawmut_A4J1
    A4J1
    Mersen 1A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $17.99
    Mersen
    / each
    PN: #A4J1
    Available for Backorder Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  20. A4J3 Ferraz Shawmut_A4J3
    A4J3
    Mersen 3A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $16.99
    Mersen
    / each
    PN: #A4J3
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  21. A4J6 Ferraz Shawmut_A4J6
    A4J6
    Mersen 6A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $15.99
    Mersen
    / each
    PN: #A4J6
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  22. A4J75 Ferraz Shawmut_A4J75
    A4J75
    Mersen 75A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 100/200 kA
    $42.99
    Mersen
    / each
    PN: #A4J75
    Limited Qty Available Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  23. A4J15 Ferraz Shawmut_A4J15
    A4J15
    Mersen 15A Low Voltage Fast Acting Fuse, Class J, 600 VAC/300 VDC, 200/100 kA
    $14.99
    Mersen
    / each
    PN: #A4J15
    Available for Backorder Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
  24. AJT15 Ferraz Shawmut_AJT15
    AJT15
    Mersen 15A Low Voltage Time Delay Power Fuse, Class J, Indicating, 600 VAC/500 VDC, 200/100 kA
    $18.99
    Mersen
    / each
    PN: #AJT15
    Stocked Stock status at one or more E.B. Horsman location(s). Login or register for specific inventory by location.
Filters
Shopping Options
Stock Availability
  1. In Stock 71 items
  2. Out of Stock 61 items
Supplier
  1. Littelfuse 27 items
  2. Mersen 105 items
Brand
  1. Littelfuse 27 items
  2. Mersen 105 items
Product Type
  1. Class J Fuses 113 items
  2. Solar Fuses 2 items
  3. UL Class Fuses 42 items
Amperage Rating
  1. 0.8 A 1 item
  2. 1 A 3 items
  3. 1.5 A 1 item
  4. 2.5 A 1 item
  5. 3 A 2 items
  6. 3.5 A 1 item
  7. 4 A 2 items
  8. 5 A 1 item
  9. 6 A 3 items
  10. 6.25 A 1 item
  11. 7 A 1 item
  12. 8 A 3 items
  13. 9 A 2 items
  14. 10 A 3 items
  15. 12 A 1 item
  16. 15 A 3 items
  17. 17.5 A 2 items
  18. 20 A 3 items
  19. 25 A 3 items
  20. 30 A 3 items
  21. 35 A 3 items
  22. 40 A 3 items
  23. 45 A 3 items
  24. 50 A 4 items
  25. 60 A 4 items
  26. 70 A 3 items
  27. 75 A 1 item
  28. 80 A 4 items
  29. 90 A 3 items
  30. 100 A 4 items
  31. 110 A 3 items
  32. 125 A 3 items
  33. 150 A 3 items
  34. 175 A 3 items
  35. 200 A 4 items
  36. 225 A 4 items
  37. 250 A 3 items
  38. 300 A 3 items
  39. 350 A 4 items
  40. 400 A 3 items
  41. 450 A 3 items
  42. 500 A 3 items
  43. 600 A 3 items
Fuse Body Type
  1. Cartridge 9 items
  2. Cylindrical 105 items
Nominal Diameter
  1. 13/16 in (20.6 mm) 40 items
  2. 1-1/16 in (27 mm) 22 items
  3. 1-1/8 in (28.6 mm) 8 items
  4. 1-1/2 in (38.1 mm) 2 items
  5. 1-5/8 in (41.3 mm) 15 items
  6. 2 in (50.8 mm) 2 items
  7. 2-1/8 in (54 mm) 15 items
  8. 2-1/4 in (57.2 mm) 1 item
  9. 2-1/2 in (63.5 mm) 9 items
Nominal Length
  1. 2-1/4 in (57.2 mm) 41 items
  2. 2-3/8 in (60.3 mm) 17 items
  3. 4-1/2 in (11.4 cm) 8 items
  4. 4-5/8 in (11.7 cm) 5 items
  5. 5-3/4 in (14.6 cm) 17 items
  6. 7-1/8 in (18.1 cm) 17 items
  7. 8 in (20.3 cm) 9 items
Indicating/Non-Indicating
  1. Indicating 36 items
  2. Non-Indicating 78 items
Speed/Characteristic
  1. Fast Acting 35 items
  2. High Speed 30 items
  3. Time Delay 49 items
Terminal Type
  1. Blade 52 items
  2. Bolted 2 items
  3. Ferrule 58 items
  4. Knife Blade 2 items
Voltage Rating
  1. 600 VAC 3 items
  2. 600 VAC/300 VDC 36 items
  3. 600 VAC/500 VDC 73 items
  4. 600 VAC/1000 VDC 1 item
  5. 1000 VDC 1 item
Category

Related Articles

Read More

Support EB Horsman & Son at the 2026 Canucks Autism Network Pro-Am Support EB Horsman & Son at the 2026 Canucks Autism Network Pro-Am
Support EB Horsman & Son at the 2026 Canucks Autism Network Pro-Am
Support EB Horsman & Son at the 2026 Canucks Autism Network Pro-Am
Every year, Canucks Autism Network bring NHL Alumni together with rec & corporate teams in support of Canucks Autism Network (CAN). This year...
Read more
Canada-U.S. Tariff Update for Electrical Products & Projects | E.B. Horsman Canada-U.S. Tariff Update for Electrical Products & Projects | E.B. Horsman
Canada-U.S. Tariff Update for Electrical Products & Projects | E.B. Horsman
Canada-U.S. Tariff Update for Electrical Products & Projects | E.B. Horsman
Stay informed on 2026 tariff changes affecting electrical products in Canada. Get the latest updates from EB Horsman & Son on pricing and...
Read more
How the Expanded Buy Canadian Policy Creates New Opportunities for Public Sector Procurement How the Expanded Buy Canadian Policy Creates New Opportunities for Public Sector Procurement
How the Expanded Buy Canadian Policy Creates New Opportunities for Public Sector Procurement
How the Expanded Buy Canadian Policy Creates New Opportunities for Public Sector Procurement
EB Horsman & Son is your destination for made-in-Canada lighting, electrical products, and contractor-trusted solutions.
Read more
Power Your Way to a Seattle Seahawks Game with EB Horsman & Son and Leviton Power Your Way to a Seattle Seahawks Game with EB Horsman & Son and Leviton
Power Your Way to a Seattle Seahawks Game with EB Horsman & Son and Leviton
Power Your Way to a Seattle Seahawks Game with EB Horsman & Son and Leviton
Purchase qualifying Leviton products from EB Horsman & Son for your chance to win a Seattle Seahawks Experience.
Read more
Celebrating Future Industry Leaders Through Education Celebrating Future Industry Leaders Through Education
Celebrating Future Industry Leaders Through Education
Celebrating Future Industry Leaders Through Education
EB Horsman celebrates BCIT student Jason Jansen, recipient of the 2025 EB Horsman Award in Electrical and Computer Engineering Technology –...
Read more
Supporting Canada’s Shipbuilding Future: Our Partnership with Seaspan Supporting Canada’s Shipbuilding Future: Our Partnership with Seaspan
Supporting Canada’s Shipbuilding Future: Our Partnership with Seaspan
Supporting Canada’s Shipbuilding Future: Our Partnership with Seaspan
Learn how EB Horsman & Son supports Canada's National Shipbuilding Strategy through electrical solutions, marine expertise, and partnership...
Read more
Electrical Products and Solutions for Mines and Industrial Operations Electrical Products and Solutions for Mines and Industrial Operations
Electrical Products and Solutions for Mines and Industrial Operations
Electrical Products and Solutions for Mines and Industrial Operations
EB Horsman & Son supplies mining electrical products and industrial electrical solutions for Western Canadian mines, from motor control to...
Read more
Energy Rebates in Western Canada: A Quick Guide for Lighting, EVs, Renovations and More Energy Rebates in Western Canada: A Quick Guide for Lighting, EVs, Renovations and More
Energy Rebates in Western Canada: A Quick Guide for Lighting, EVs, Renovations and More
Energy Rebates in Western Canada: A Quick Guide for Lighting, EVs, Renovations and More
Incentives and rebates: see which programs may help lower the cost of home, commercial and industrial upgrades in B.C., Alberta and...
Read more
Drive to Win Powered by EB Horsman & Genlyte Solutions - F1 Mexico City Drive to Win Powered by EB Horsman & Genlyte Solutions - F1 Mexico City
Drive to Win Powered by EB Horsman & Genlyte Solutions - F1 Mexico City
Drive to Win Powered by EB Horsman & Genlyte Solutions - F1 Mexico City
A huge thank you to everyone who participated and helped make this promo such a success. Winners have been contacted.
Read more
6 Electrical Upgrades for Safer, Smarter Schools 6 Electrical Upgrades for Safer, Smarter Schools
6 Electrical Upgrades for Safer, Smarter Schools
6 Electrical Upgrades for Safer, Smarter Schools
School electrical upgrades can improve lighting, connectivity, security and backup power. Explore six priorities for safer, smarter campuses.
Read more
Tariff Update from EB Horsman Tariff Update from EB Horsman
Tariff Update from EB Horsman
Tariff Update from EB Horsman
Stay informed on 2026 tariff changes affecting electrical products in Canada. Get the latest updates from EB Horsman & Son on pricing and...
Read more
Double the Prize: Stock Up on ABB Grounding Products & Win Double the Prize
Double the Prize: Stock Up on ABB Grounding Products & Win
Double the Prize: Stock Up on ABB Grounding Products & Win
Shop qualifying ABB grounding products at EB Horsman & Son from Sept. 1–Oct. 31 and earn a ballot for every $1,000 spent for a chance to win.
Read more
EB Horsman & Son Expansion in Alberta: New Grande Prairie Branch Opening this September EB Horsman & Son Expansion in Alberta: New Grande Prairie Branch Opening this September
EB Horsman & Son Expansion in Alberta: New Grande Prairie Branch Opening this September
EB Horsman & Son Expansion in Alberta: New Grande Prairie Branch Opening this September
We’re excited to announce that EB Horsman & Son is expanding in Northern Alberta with a new branch coming to Grande Prairie opening this Sept!
Read more
Jason Organ, New Cranbrook Branch Manager Jason Organ
Jason Organ, New Cranbrook Branch Manager
Jason Organ, New Cranbrook Branch Manager
We are excited to announce Jason Organ as the new Cranbrook Branch Manager.
Read more
Siemens LOGO! 9: The Smart Choice for Everyday Automation Siemens LOGO! 9: The Smart Choice for Everyday Automation
Siemens LOGO! 9: The Smart Choice for Everyday Automation
Siemens LOGO! 9: The Smart Choice for Everyday Automation
Upgrade your automation projects with Siemens LOGO! 9. More power, flexibility, and visibility, backed by EB Horsman & Son expertise.
Read more
How to Choose the Right Power Transformer in 5 Steps How to Choose the Right Power Transformer in 5 Steps
How to Choose the Right Power Transformer in 5 Steps
How to Choose the Right Power Transformer in 5 Steps
Find the right commercial power transformer based on load, kVA, efficiency, mounting, and installation needs.
Read more
Which Panasonic Ventilation Solution Is Right for You? Which Panasonic Ventilation Solution Is Right for You?
Which Panasonic Ventilation Solution Is Right for You?
Which Panasonic Ventilation Solution Is Right for You?
For over 25 years, Panasonic has been a leader in innovative solutions that support better indoor air quality and healthier home environments.
Read more
Work Faster with nVent CADDY Fixing, Fastening & Support Solutions nVent Caddy's New Offerings
Work Faster with nVent CADDY Fixing, Fastening & Support Solutions
Work Faster with nVent CADDY Fixing, Fastening & Support Solutions
nVent CADDY delivers dependable performance and smarter installation solutions to keep your projects running safely and efficiently.
Read more
Be Prepared for Saskatchewan Weather with Generac Backup Power Be Prepared for Saskatchewan Weather with Generac Backup Power
Be Prepared for Saskatchewan Weather with Generac Backup Power
Be Prepared for Saskatchewan Weather with Generac Backup Power
Stay prepared for Saskatoon weather with reliable Generac backup power solutions from EB Horsman & Son.
Read more
FortisBC Business Rebates for Electrical & Energy Efficiency Projects FortisBC Business Rebates for Electrical & Energy Efficiency Projects
FortisBC Business Rebates for Electrical & Energy Efficiency Projects
FortisBC Business Rebates for Electrical & Energy Efficiency Projects
Find available FortisBC business rebates for lighting, equipment and energy-efficiency projects that help reduce upfront costs.
Read more