Eaton RK5FSK-39 Fuse - Non-indicating
Part Number: RK5FSK-39
Quick Summary
The Eaton RK5FSK-39 fuse delivers reliable overcurrent protection for electrical control panels and power distribution systems. Operators often confront nuisance trips or outages when protection devices are misapplied or undersized, impacting uptime and maintenance costs. While no specific CE, SIL, or IP certifications are listed for this model in the provided data, it is designed to align with standard industry practices for 250 V and 600 V circuits within Eaton Bussmann’s RK5 family. This makes it a practical choice for panel builders seeking a common, readily sourced protection solution that supports efficient installation and lifecycle reliability.
Product Information
Extended Description
RK5FSK-39 Eaton: Eaton Bussmann series RK5FSK fuse, Non-indicating, Standard, 250 V, 600 V
Product Name
Eaton Bussmann series RK5FSK fuse
Catalog Number
RK5FSK-39
UPC
782634990079
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
Not Applicable
Certifications
Not Applicable
Voltage rating
250 V, 600 V
Packaging type
Standard
Fuse indicator
Non-indicating
Feature → Business Impact → Application: Non-indicating fuse design simplifies mounting and inventory without visual status indicators, reducing component diversity in stock and enabling faster replacements in high-mix environments. Application: Use in standard protection schemes where visual indication is not required, such as automation cabinets and power distribution blocks. Feature → Business Impact → Application: Voltage ratings of 250 V and 600 V cover typical industrial control and power circuits, enabling a single device type across multiple sub-systems and reducing spare parts variety. Application: Control panels, motor control centers, and factory floor power rails. Feature → Business Impact → Application: Standard packaging and catalog availability streamline procurement and lead times, improving project planning and reducing downtime during maintenance windows. Application: OEMs and panel builders supporting large-scale rollouts. Feature → Business Impact → Application: Non-indicating status promotes lower cost of ownership when used with panel indicators or remote condition monitoring; for critical systems, pairing with diagnostic tools enhances fault diagnosis. Application: Integrated maintenance programs and predictive maintenance strategies. Feature → Business Impact → Application: Compatibility with the Bussmann RK5 fuse family supports uniform protection strategies across equipment vintages, simplifying spares and engineering documentation. Application: Refurbishments and retrofit projects in legacy automation lines.
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FAQs
The RK5FSK-39 is rated for 250 V and 600 V environments. It is typically employed in electrical protection and circuit control within control panels, power distribution blocks, and automation equipment where standard, readily sourced fuses are preferred to minimize downtime and inventory complexity.
RK5FSK-39 is non-indicating, meaning it does not show a visual blown/fault indicator. In practice, this requires external diagnostics or panel indicators to confirm status, but it simplifies mounting and reduces part variants in spares for many standard protection tasks.
Yes. RK5FSK-39 is part of the Bussmann RK5 fuse family and aligns with common sizing, holders, and protection strategies used across the RK5 line, simplifying migrations, spares, and engineering documentation for multi-year equipment programs.
Always match the catalog number and voltage rating to the system, use compatible fuse holders, and verify panel clearance and environmental specs. Maintain standard sourcing practices to minimize downtime, and consult the Eaton datasheet for exact mounting guidance and replacements in legacy equipment.
You can access the Eaton Specification Sheet for RK5FSK-39 and the Edison full line catalog from Eaton’s site, as well as related Bussmann documentation via the provided catalog and datasheet links to ensure you have up-to-date installation and compliance information.