National Fuse Logo

We Are More Than Just Fuses!

Shipping Worldwide.

Office: Monday - Friday 8 AM - 5 PM ET

Phone: 800.328.0496 | Fax: 440.356.8185
Login Shopping Cart

  • Home
    • About Us
    • Contact Us
  • Sale!
    • Hot Specials
    • Close Outs
  • Products
    • North American Electrical Fuses
    • Japanese Electrical Fuses
    • European Electrical Fuses
  • Manufacturers
  • Blog
  • Services
    • OSHA Glove Testing
    • OSHA Training
  • Resources
    • Arc Flash Center
    • FAQs
      • Ordering FAQs
      • Pricing FAQs
      • Shipping FAQs
    • Fuse Certifications
    • Foreign Fuse Chart
    • Download Line Card

  • Home
    • About Us
    • Contact Us
  • Sale!
    • Hot Specials
    • Close Outs
  • Products
    • North American Electrical Fuses
    • Japanese Electrical Fuses
    • European Electrical Fuses
  • Manufacturers
  • Blog
  • Services
    • OSHA Glove Testing
    • OSHA Training
  • Resources
    • Arc Flash Center
    • FAQs
      • Ordering FAQs
      • Pricing FAQs
      • Shipping FAQs
    • Fuse Certifications
    • Foreign Fuse Chart
    • Download Line Card

Fuse Reducers

Showing 33–44 of 44 results

  • LRU-663

    30A TO 60A 600V REDUCER

    $23.43
    Add to cart
  • LRU-663R

    30A TO 60A REDUCER

    $23.79
    Add to cart
  • LRU-J63

    30A TO 60A 600V CLASS J REDUCER

    $43.31
    Add to cart
  • LRUJ-13

    30A TO 100A REDUCER

    $61.13
    Add to cart
  • LRUJ-16

    BUSSMANN # J-16

    $78.29
    Add to cart
  • LRUJ-21

    100A TO 200A 600V FUSE REDUCER

    $81.53
    Add to cart
  • LRUJ-42

    200A TO 400A REDUCER

    $293.97
    Add to cart
  • Placeholder

    R162

    30A-100A 600V R REDU

    $32.17
    Add to cart
  • Placeholder

    R262

    60A-200A 250V R REDUCER 60A-200A 250V R Fuse Reducer With Rejection

    $112.65
    Add to cart
  • R412

    100-400A R REDUCER

    $232.52
    Add to cart
  • R422

    200-400A 250V-600V RK5 & RK1 RATED FUSE REDUCER

    $290.36
    Add to cart
  • Mersen R642

    R642

    600 TO 400A REDUCER Mersen fuse reducers allow the use of lower rated fuses in existing equipmenthaving clips with higher ampere ratings. The use of closer rated time-delay fuses canimprove circuit protection. For example, renewable or one-time fuses feeding a motorcan be replaced with fuses sized closer to the motor nameplate current. Non-rejectionreducers will allow… Read more »

    $390.08 Add to cart
  • ←
  • 1
  • 2
  • 3

View Hot Specials

View New Items

View Close-Outs

Download Line Card

Foreign Fuse Chart

  • EMAIL: sales@nationalfuse.com
  • PHONE: 440.356.8181
  • TOLL: 800.328.0496
  • FAX: 440.356.8185
  • Sitemap
  • Privacy Policy

National Fuse

Copyright © 2025 National Fuse Products Inc.