Eaton KWN-R-50 Fuse - Class RK1 Non-Indicating 50A
Part Number: KWN-R-50
Quick Summary
KWN-R-50 fuse provides reliable overcurrent protection for industrial control panels and distribution circuits. Engineers often grapple with nuisance trips and diagnostic challenges when selecting fuses for compact, high-density panels. This model follows the Class RK1 family design and uses a non-indicating indicator, with no explicit SIL, CE, or IP certifications listed for this part in the catalog. It supports straightforward procurement and predictable panel protection, helping maintenance teams reduce downtime. In practice, this fuse aligns with Eaton Bussmann series standards, delivering consistent performance while keeping installation simple and cost-effective for OEMs and service providers alike.
Product Information
Extended Description
KWN-R-50 Eaton: Eaton Bussmann series KWN-R fuse, 50 A, Class RK1, Non-indicating, Standard
Product Name
Eaton Bussmann series KWN-R fuse
Catalog Number
KWN-R-50
UPC
051712407625
Product Length/Depth
3 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.11 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
50 A
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - KWN-R-50
50 A amperage rating provides targeted overcurrent protection for feeders and motor circuits, reducing the risk of equipment damage and unplanned downtime in manufacturing environments. The business impact is measurable: longer component life, fewer trips, and lower maintenance costs. This is ideal for industrial control panels, machine feeders, and distribution circuits where reliable protection is essential. The Class RK1, non-indicating design minimizes maintenance overhead and avoids unnecessary visual indicators, simplifying panel updates and replacements while preserving space. In practical terms, installers benefit from a straightforward swap in standard RK1 bases, improving uptime during maintenance windows. The compact 3 in length with a 0.81 in width and height enables dense panel layouts, supporting space-constrained cabinets and modular enclosures. Standard packaging and the Bussmann series ecosystem streamline procurement, cross-referencing, and stocking for OEMs and distributors, reducing lead times and inventory costs. The 0.11 lb weight contributes to lighter panel assemblies and easier handling during installation, while the included UPC supports efficient scanning and inventory management.
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FAQs
The KWN-R-50 is a 50 A Class RK1, non-indicating fuse from Eaton Bussmann. It is widely used in industrial control panels, motor feeders, and distribution circuits in manufacturing environments where compact, reliable overcurrent protection is required. Its 3 in length and 0.81 in cross-section support dense panel layouts, making it a practical choice for OEMs and service technicians.
Key specs include catalog number KWN-R-50, amperage rating 50 A, Class RK1, non-indicating fuse indicator, dimensions 3 in length by 0.81 in width and height, weight 0.11 lb, and UPC 051712407625. It is packaged in the standard packaging format with compatible Bussmann series bases for reliable replacement and compatibility in typical control panels.
Yes. The KWN-R-50 is designed for standard RK1 fuse bases used in industrial panels. Its Class RK1 designation ensures compatibility with common Bussmann RK1 holders, enabling straightforward replacement and consistent protection across existing Eaton Bussmann installations.
Download options include the Eaton Specification Sheet for KWN-R-50 at Eaton’s site, as well as Bussmann catalogs and related materials. Access the official Eaton datasheet at https://www.eaton.com/us/en-us/skuPage.KWN-R-50.pdf to review electrical ratings, dimensional data, and installation guidance.
No. The KWN-R-50 is a non-indicating fuse, meaning there is no built-in visual trip indicator. If a monitored indication is required for your panel, plan to use an indicating version or integrate external status monitoring in your control system.