Eaton LPS-RK-1/10SP Fuse - Class RK1, CE Marked
Part Number: LPS-RK-1/10SP
Quick Summary
The Eaton LPS-RK-1/10SP fuse is a time-delay, current-limiting device designed to protect industrial circuits and motor loads in panels and switchgear. Engineers often contend with nuisance trips and downtime when protection is either overly aggressive or insufficient; this fuse provides a precise 0.1 A rating with predictable response to balance reliability and protection. As part of the RK1 family, it carries CE marking and a robust interrupt rating to support compliant, high‑reliability protection in European and global installations. Its compact RK1 form factor and standardized packaging help maintain inventory accuracy, while delivering business value through reduced mis-trips and simplified procurement for control panels and machine protection.
Product Information
Extended Description
LPS-RK-1/10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 0.1 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-1/10SP
UPC
051712548007
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
1.6 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
0.1 A
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
Fuse indicator
Non-indicating
Quantity
10
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Bussmann series Fuseology
Bussmann series Low-Peak 600 V LPS Class RK1 time-delay fuses, up to 600 A data sheet no. 1001
Feature: Time-delay, dual-element design. Benefit: Improved nuisance-trip resistance for inductive loads and motors, reducing unplanned outages while maintaining safe fault clearance. Application: Motor starters and drive circuits in industrial control panels benefit from stable protection without compromising performance. Feature: Current-limiting capability. Benefit: Limits fault current to protect wiring and components downstream, lowering damage risk and extending asset life. Application: Main feeders and branch circuits in compact switchgear experience less collateral damage during faults. Feature: Amperage rating of 0.1 A. Benefit: Enables precise, low-current protection for control circuits and sensing networks, preventing unnecessary shutdowns. Application: PLCs, sensors, and control logic power rails in automation panels. Feature: High interrupt rating (300 kAIC at 600 Vac; 100 kAIC at 300 Vdc). Benefit: Strong short-circuit protection for power distribution and heavy loads, supporting safer panel operation. Application: Industrial power distribution in harsh environments where fault current is common. Feature: RK1 class, dual-element, non-indicating fuse in standard packaging. Benefit: Reliable replacement in existing RK1-compatible holders with predictable performance; easy stocking and procurement. Application: OEM panel builders and refurbishing projects needing consistent, fast-fit protection. Feature: Compliance and physical specs (CE Marked, 5 in length, 0.81 in x 0.81 in, 1.6 lb). Benefit: Meets European regulatory expectations and fits within compact enclosures without space penalties. Application: Light-to-moderate power control enclosures where space is at a premium and compliance matters.
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FAQs
The LPS-RK-1/10SP is designed for standard RK1 fuse holders with a 5 inch length and 0.81 inch square cross-section. It ships in a 10‑unit packaging and uses a non-indicating element. Ensure your panel or enclosure supports RK1 class fuses and that your circuit rating aligns with the 0.1 A amperage and 600 Vac/300 Vdc limits for safe installation.
The time-delay (dual-element) design tolerates inrush currents typical of motors and transformers, reducing nuisance trips while still providing fast protection during true faults. This balance improves uptime in drive and motor circuits and minimizes unnecessary panel cycling in automated systems.
rated at 0.1 A with 600 Vac and 300 Vdc maximums, the LPS-RK-1/10SP offers a 300 kAIC interrupt rating at 600 Vac and 100 kAIC at 300 Vdc. It also provides a defined response time of about 10 seconds at 500% overload, ensuring predictable protection in critical faults.
Yes, this fuse is CE Marked, indicating compliance with essential European safety standards. It follows the RK1 fuse family specifications, supporting compliant protection in European control panels and industrial installations that require approved electrical components.
Using the LPS-RK-1/10SP reduces downtime due to fewer nuisance trips, lowers spare parts inventory through standardized RK1 replacements, and improves protection reliability for motors and control circuits. Its compact size and straightforward replacement process also shorten maintenance cycles and support quicker panel servicing.