Eaton NOS-75 Fuse - CE Marked Class K5 Non-current-Limiting
Part Number: NOS-75
Quick Summary
NOS-75 fuse by Eaton provides reliable general-purpose protection for industrial control circuits. Engineers often contend with nuisance trips and mismatched protection across diverse load profiles; this 75 A non-current-limiting fuse delivers consistent, predictable interruption to keep critical equipment from unnecessary outages. CE Marked and Bussmann Class K5 construction give confidence in European compliance and standard safety performance, while the compact 7.9 inch length integrates neatly into crowded panels. With a 600 V rating and 10 kA interrupt capacity, it supports both normal and startup surges without compromising safety. Designed for easy procurement and field replacement, this NOS-75 complements robust circuit protection programs and helps optimize maintenance intervals across industrial facilities.
Product Information
Extended Description
NOS-75 Eaton: Eaton Bussmann Series Class K5 fuse, NOS, general purpose, non-current-limiting fuses, 75 A, one-time fuse, interrupting rating of 10 kA at 600 Vac
Product Name
Eaton Bussmann series NOS fuse
Catalog Number
NOS-75
UPC
051712185653
EAN
5027590174008
Product Length/Depth
7.9 in
Product Height
1.34 in
Product Width
1.34 in
Product Weight
0.51 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
75 A
Interrupt rating
10 kAIC at 600 Vac
Voltage rating
600 V
Packaging type
Standard
Class
Class H Class K5
Fuse indicator
Non-indicating
Quantity
5
Special features
Non current limiting
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Bussmann series Fuseology
Bussmann series Class H (K) Fuses Data Sheet no. 1030
Feature: General-purpose Class K5, non-current-limiting fuse. Business Impact: Simplifies protection schemes for a wide range of controls, reducing design time and inventory complexity. Application: Industrial control panels and electrical protection circuits where reliable, non-current-limiting protection is desired. Feature: 75 A amperage rating with 10 kA interrupt capacity at 600 VAC. Business Impact: Enables safe interruption of fault currents while tolerating startup surges, lowering nuisance trips and improving system uptime. Application: Power distribution and motor-control scenarios in automation environments. Feature: Compact footprint — 7.9 in length, 1.34 in width and height, 0.51 lb weight. Business Impact: Easier integration into tight enclosures, faster swap-outs, and reduced panel bulk. Application: Small to mid-size control enclosures in OEM/ARM projects. Feature: Non-indicating fuse indicator. Business Impact: Streamlined panel design and fewer wiring indicators, with straightforward replacement. Application: Replacement alignments in standard Bussmann NOS installations. Feature: Packaging quantity of five units. Business Impact: Improves stocking efficiency and order fulfillment for maintenance teams. Application: Regular procurement for facilities with multiple panels. Feature: CE Marked compliance. Business Impact: Supports regulatory conformity and customer acceptance in European markets. Application: Global distribution programs and code-compliant installations.
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FAQs
To install the NOS-75, ensure you are using a compatible Bussmann series fuse holder rated for 75 A and 600 V. Verify the panel space accommodates a 7.9 inch length device, and replace only with the same catalog number NOS-75. Confirm the system can safely withstand a 10 kAIC interrupt rating at 600 VAC. Follow standard electrical safety practices and de-energize the panel during replacement.
The NOS-75 is a 75 A fuse with a 600 V voltage rating and an interrupt rating of 10 kAIC at 600 VAC. It measures 7.9 inches in length, with a 1.34 inch height and width, and weighs about 0.51 lb. It is packaged as five units per pack and is CE Marked for compliance.
Yes, the NOS-75 provides general-purpose protection suitable for control circuits and certain motor control contexts, thanks to its 75 A rating and 10 kAIC interrupt capability. However, it is a non-current-limiting fuse, so it should be paired with appropriate motor protection schemes and coordination to address inrush and startup surges in motor applications.
The NOS-75 fuse is CE Marked, aligning with European safety and compliance standards. It belongs to the Bussmann Series Class H (K) fuses, which informs its construction and application within standard electrical protection practices in industrial environments.
Using NOS-75 fuses reduces panel clutter with non-indicating indicators and provides reliable, predictable protection for industrial control lines. With a compact footprint and five units per pack, procurement and stocking are streamlined, enabling faster replacements and less downtime during maintenance cycles, contributing to overall equipment reliability and return on investment.