Eaton NOS-125 Fuse - Class H, 10 kAIC at 600V
Part Number: NOS-125
Quick Summary
Eaton NOS-125 fuse provides reliable general-purpose protection for industrial control panels and distribution systems. In busy plants, nuisance trips or mismatched current ratings slow maintenance and increase downtime. CE Marked compliance supports European safety standards, while the Class H design offers a 10 kAIC interrupt rating at 600 Vac for dependable protection of general circuits. Its blade-end x blade-end configuration and standard packaging simplify installation and replacement, reducing service time and operator risk. This makes NOS-125 a practical, cost-conscious choice for panel builders and maintenance teams needing reliable Bussmann performance.
Product Information
Extended Description
NOS-125 Eaton: Eaton Bussmann Series Class K5 fuse, NOS, general purpose, non-current-limiting fuses, 125 A, one-time fuse, interrupting rating of 10 kA at 600 Vac
Product Name
Eaton Bussmann series NOS fuse
Catalog Number
NOS-125
UPC
051712311250
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
125 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
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Class H (K) Fuses Data Sheet no. 1030
Feature: 125 A amperage rating. Business impact: protects equipment and wiring from overcurrent without nuisance trips, enabling stable operation of general purpose circuits. Application: typical industrial control panels and distribution boards. The result is predictable protection, lower maintenance costs, and improved equipment uptime. Long-tail keywords integrated: 125 A fuse, general purpose protection, industrial control panels.Feature: 10 kAIC interrupt rating at 600 Vac. Business impact: withstands high fault currents to prevent collateral damage in power distribution and motor control centers. Application: critical loads in manufacturing lines and process equipment. This supports faster fault clearance and reduced downtime, aligning with reliability goals. Long-tail keywords integrated: interrupt rating 10 kAIC, 600 Vac fuses, high fault current protection.Feature: Class H non-current-limiting, one-time fuse. Business impact: simple, robust protection without complex coordination requirements, lowering maintenance complexity. Application: general purpose protection in legacy and new installations where non-limiting fuses are preferred. Long-tail keywords integrated: Bussmann Class H fuses, non-current-limiting fuse, one-time fuse.Feature: Pin-indicating option and blade-end x blade-end connections. Business impact: quick health-checks and easy field replacement with standard holders, reducing downtime. Application: panel mounting and replacement in standard Bussmann holders. Long-tail keywords integrated: pin-indicating feature, blade end connections, standard holder compatibility.Feature: Compact dimensions and weight (9.63 in L, 1.84 in W/H, 1.2 lb). Business impact: easier installation in tight panels and minimizes enclosure footprint. Application: compact control panels and distributed power systems. Long-tail keywords integrated: 9.63 in product length, 1.84 in dimensions, lightweight fuse.
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FAQs
The NOS-125 is a general-purpose Class H fuse rated for 125 A and 600 V, with a 10 kAIC interrupt rating. It is well-suited for protection of industrial control panels, power distribution, and motor control centers where reliable, non-resettable protection is required and downtime must be minimized.
Key specs include 125 A amperage rating, 600 V voltage rating, 10 kAIC interrupt rating, Class H construction, non-indicating design, blade end x blade end connections, 9.63 in length, and a 1.2 lb weight. This combination supports robust protection for general circuits in demanding environments.
Yes. The NOS-125 uses blade end x blade end connections and is designed for compatibility with Bussmann Class H holders and standard panel layouts. Verify holder spacing and enclosure clearance, but this part is intended for common Bussmann mounting configurations to simplify replacement.
The NOS-125 is CE Marked, indicating compliance with European safety standards. While the data specifies CE compliance, RoHS applicability is not explicitly stated here; you can use Eaton’s RoHS tool to confirm RoHS status for your region and project requirements.
NOS-125 is a one-time, non-indicating fuse designed for reliable protection. Replacement requires selecting a fuse with the same ratings (125 A, 600 V, 10 kAIC) and compatible blade-end hardware. Maintain stock of identical NOS-125 units to ensure consistent protection across panels and minimize downtime during replacements.