Eaton LPS-RK-1-8/10SP Fuse - Class RK1, 600 Vac
Part Number: LPS-RK-1-8/10SP
Quick Summary
The Eaton LPS-RK-1-8/10SP fuse protects electrical circuits in panel boards and control systems, delivering time-delay, current-limiting protection for motors and power loads. This helps prevent nuisance trips during inrush and startup surges, reducing downtime and extending equipment life. The device is CE marked and classified as Class RK1, with a 300 kA interrupt rating at 600 Vac and 100 kA at 300 Vdc, ensuring reliable performance in demanding environments. Designed for rugged industrial protection, it integrates with the Bussmann series, offering ferrule-end connections and straightforward field replacement to maximize uptime and safety in industrial protection and circuit control applications. Industry professionals benefit from proven reliability and easy maintenance across control panels and machine builds.
Product Information
Extended Description
LPS-RK-1-8/10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 1.8 A, non-indicating fuse, interrupting rating of 300 kA at 600 Vac and 100 kA at 300 Vdc
Product Name
Eaton Bussmann series LPS-RK fuse
Catalog Number
LPS-RK-1-8/10SP
UPC
051712548137
EAN
5027590243711
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.17 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
1.8A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Fuse type
Time delay Current-limiting
Number of elements
Dual
Packaging type
Standard
Class
Class RK1
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Quantity
10
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Low-Peak 600 V LPS Class RK1 time-delay fuses, up to 600 A data sheet no. 1001
Feature → Business Impact → Application: Time-delay, dual-element design provides steady protection during motor start-up and in-rush events, reducing arc-flash exposure and preventing nuisance trips while maintaining process continuity in panel boards and machine controls. This translates to lower maintenance costs and shorter downtime, especially in high-inertia equipment. Feature → Application: Current-limiting capability (1.8 A) confines fault currents quickly, protecting conductors and components downstream, which improves energy efficiency and extends service life in control circuits for conveyors and automation equipment. Feature → Business Impact → Application: High interrupt rating (300 kAIC at 600 Vac, 100 kAIC at 300 Vdc) delivers robust protection for large loads and critical circuits, enabling safe operation in high-demand environments and simplifying regulatory compliance in industrial facilities. Feature → Compatibility → Application: Ferrule-end connections with a 5 in length design ensure reliable, easy-to-install field replacements in standard Bussmann RK1 installations, minimizing downtime during fuse swaps in control panels. Feature → Compliance & Installation → Application: CE Marked and standard packaging (10 units per pack) support quick procurement, traceability, and streamlined inventory management for electrical protection and circuit control in manufacturing lines.
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FAQs
The LPS-RK-1-8/10SP is designed for standard Bussmann RK1 installations with ferrule-end terminations. It fits panel boards and control circuits in industrial equipment, motor starters, and machine control panels. Its 5 inch length and 0.81 inch widths align with common fuse holders, enabling quick field replacements without reconfiguring wiring. Ensure voltage ratings match 600 Vac or 300 Vdc applications and confirm the dual-element, time-delay characteristics meet your startup inrush needs.
This fuse combines a dual-element design with time-delay characteristics to tolerate inrush currents during motor start and other transient loads. It limits fault current to protect conductors and downstream devices, while maintaining enough delay to avoid nuisance tripping on normal operation. The result is improved reliability, reduced equipment wear, and better uptime in automation and protection schemes.
Yes. With a 1.8 A rating, time-delay response, and 300 kAIC interrupt rating at 600 Vac, it is well-suited for motor protection and other high-inrush loads in control panels. The durable Class RK1 design and ferrule-end connections simplify integration into standard Bussmann RK1 assemblies, supporting safe motor startup and protection for automated machinery.
The product is CE Marked, indicating European safety compliance for electrical equipment. For additional regulatory considerations, Eaton provides a RoHS verification resource to confirm restricted substances compliance. While UL/CSA listings are not indicated in the provided data, CE marking and standard RK1 classification support broad European applicability and industry-standard protection in electrical assemblies.
The LPS-RK-1-8/10SP reduces downtime through reliable startup protection and lower nuisance trips, which translates to higher line uptime and fewer production interruptions. Its high interrupt rating and robust construction minimize downstream damage from faults, potentially lowering maintenance costs. Field-friendly ferrule-end installation and standard packaging further accelerate replacements, improving overall maintenance efficiency.