Littelfuse makes a variety of industrial power fuses to protect electrical equipment in a broad range of applications. Class K5 "one-time," fast-acting fuses provide low-cost protection for general purpose feeder and branch circuits when available short-circuit currents are less than 50 kA. This product group includes the NLN and NLS series, which, respectively, have maximum voltage ratings of either 250 V ac or 600 V ac.
Fast-acting
Current ratings from 1 A to 600 A
Interrupting ratings up to 20 kA at 250 V dc and 50 kA at 600 V dc
Low cost
Available with indicating and DIN rail-mount holders
Class K5 Fuses Parts
Link has been copied to clipboard
Filters
Class K5 Fuses Applications
Highlights Section
Circuits carrying resistive loads
General purpose residential and commercial circuits with little or no motor load
Class K5 Fuses Resources
POWR-Gard Catalog
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.