Eaton NOS-150 Fuse - Class H 150A, 10 kAIC fuse
Part Number: NOS-150
Quick Summary
NOS-150 fuse by Eaton is a Class H non-current-limiting device for general protection in electrical panels. This helps minimize downtime caused by nuisance trips and difficult field replacements in crowded enclosures. CE marking validates EU safety compliance, while a 600 V rating and 10 kAIC interrupt rating support reliable protection in industrial equipment. Its blade-end connection and pin-indicating option simplify installation, diagnostics, and replacement, reducing maintenance costs and improving uptime in control panels and MCCs.
Product Information
Extended Description
NOS-150 Eaton: Eaton Bussmann Series Class K5 fuse, NOS, general purpose, non-current-limiting fuses, 150 A, one-time fuse, interrupting rating of 10 kA at 600 Vac
Product Name
Eaton Bussmann series NOS fuse
Catalog Number
NOS-150
UPC
051712311502
Product Length/Depth
9.63 in
Product Height
1.84 in
Product Width
1.84 in
Product Weight
1.2 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
150 A
Interrupt rating
10 kAIC at 600 Vac
Voltage rating
600 V
Packaging type
Standard
Class
Class H
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Quantity
1
Special features
Pin-indicating
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Class H (K) Fuses Data Sheet no. 1030
The NOS-150 fuse offers a robust 150 A amperage rating with an interrupt capacity of 10 kAIC at 600 V, enabling safe fault isolation in power distribution and control circuits. This non-current-limiting design is ideal when coordination with upstream devices is required, preventing upstream nuisance trips while protecting equipment from severe faults. The Class H family supports predictable performance in general-purpose protection scenarios, including automation panels and motor control centers, reducing risk and enabling more reliable uptime in industrial environments. With blade-end x blade-end connections, installation is straightforward in standard fuse holders, allowing quick replacements during routine maintenance and after fault events. The product’s pin-indicating feature enhances field diagnostics, while its compact 9.63 in length and 1.84 in dimensions fit tightly into crowded cabinets. All of these attributes contribute to lower lifecycle costs and improved maintenance planning.
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FAQs
NOS-150 uses blade-end x blade-end connections designed for standard fuse holders, enabling quick swaps during maintenance. Its 9.63 in length and 1.84 in width justify precise enclosure fitments, while a single fuse per package simplifies inventory. The pin-indicating feature aids quick status checks, reducing field verification time during routine service and after fault events.
The NOS-150 provides a 150 A amperage rating and a 10 kAIC interrupt rating at 600 V, offering strong short-circuit protection for general-purpose circuits. It is a non-current-limiting fuse, so it coordinates with upstream protection devices to avoid nuisance trips. This combination is ideal for panel boards, motor starters, and control enclosures where predictable response is required.
Yes. The NOS-150 is CE marked, indicating conformity with EU safety requirements for electrical equipment. Its 600 V rating and 10 kAIC interrupt capability align with typical industrial protection standards, supporting safe operation in factory automation, machine control panels, and other regulated environments. For additional compliance guidance, the RoHS tool can be consulted for assessment context.
Absolutely. The NOS-150 is designed for 600 V systems and features blade-end x blade-end connections compatible with common blade fuse holders in industrial machinery panels and MCCs. Its general-purpose fuse design supports a wide range of motor control and power distribution applications, delivering reliable protection without special mounting requirements.
NOS-150 is a one-time, non-reusable fuse intended for single-fault protection. Its pin-indicating feature aids quick diagnostics after a fault, and the compact form factor facilitates fast replacement to minimize downtime. Regular panel audits should verify fuse integrity and ensure replacement parts are stocked for planned maintenance and emergency service responses.