Eaton Bussmann KWN-R-5 Fuse - Class RK1, 5 A Rating
Part Number: KWN-R-5
Quick Summary
KWN-R-5 fuse from Eaton Bussmann provides fast-acting overcurrent protection for industrial control panels and motor circuits. Engineers often face nuisance trips, unclear indicators, and fragmented stock across projects, which complicates setup and maintenance. This non-indicating, Class RK1 fuse minimizes false trips and supports straightforward replacement with standard RK1 holders. While the data does not list CE, SIL, or IP certifications, the Class RK1 designation aligns with common industrial fuse classifications used in control cabinets and power distribution. By leveraging the Bussmann lineage, you gain predictable performance and a familiar procurement path, enabling tighter project timelines and lower total cost of ownership for panel builders and maintenance teams.
Product Information
Extended Description
KWN-R-5 Eaton: Eaton Bussmann series KWN-R fuse, 5 A, Class RK1, Non-indicating, Standard
Product Name
Eaton Bussmann series KWN-R fuse
Catalog Number
KWN-R-5
UPC
051712407526
Product Length/Depth
2 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.4 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
5 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-5
Feature — 5 A amperage rating; Business impact — minimizes nuisance trips and reduces unnecessary replacement costs by avoiding over-rating the protection. Application — ideal for low-to-medium current control circuits in automation panels. Paragraph 2: Feature — Class RK1 design and non-indicating status; Business impact — standardizes inventories and simplifies maintenance planning with a common footprint; Application — fits standard RK1 fuse holders in Eaton/Bussmann panels. Paragraph 3: Feature — Compact footprint (2 in L x 0.56 in W x 0.56 in H) and weight (0.4 lb); Business impact — enables denser panel layouts and easier retrofits without compromising protection; Application — space-constrained cabinets and modular enclosures. Paragraph 4: Feature — Catalog number KWN-R-5 and standard packaging; Business impact — reduces lead times and streamlines sourcing with widely available datasheets and catalogs; Application — quick engineering reference for panel builders. Paragraph 5: Objection handling — Non-indicating status may require external monitoring; Solution — pair with status indicators or monitoring schemes to maintain visibility while preserving the RK1 form factor.
Get a Quick Quote for a Eaton KWN-R-5
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton KWN-R-5?
Enquire Now
FAQs
Yes. The KWN-R-5 is a Class RK1 fuse in the Eaton Bussmann RK1 family, designed for standard RK1 holders and Bussmann-series panels. Its 2 in length and standard footprint ensures straightforward installation and replacement, reducing panel redesigns and enabling quick field service.
The device is rated at 5 A, providing precise overcurrent protection for low- to medium-current circuits. It is well-suited for control panels, small motor starters, and signaling circuits in automation environments, where protection must be reliable without over-sizing equipment.
KWN-R-5 has a 2 inch length with a 0.56 inch width and height, and a weight of 0.4 lb. Use in standard RK1 fuse holders and ensure compatible mounting in Eaton Bussmann panels. The non-indicating design means you’ll rely on external status monitoring for quick condition checks.
The product data lists Class RK1 and non-indicating status but does not specify CE, SIL, or IP certifications. This can affect regulatory labeling; confirm your system’s compliance requirements and plan for external monitoring or documentation where needed.
The fuse’s standard RK1 footprint and 5 A rating support predictable lifecycle management and easy sourcing from the Bussmann catalog, reducing stocking variety. A non-indicating design lowers indicator wear, while familiar form factors shorten spare-parts research and minimize downtime during changes or replacements.