Eaton LPS-RK-3/10SP Fuse - Class RK1 Time-Delay

Part Number: LPS-RK-3/10SP
Manufacturer
Eaton
Part number
LPS-RK-3/10SP

Quick Summary

The Eaton LPS-RK-3/10SP fuse provides time-delay, current-limiting protection for control panels and industrial machines. A common pain point is nuisance trips and unplanned downtime that disrupts production schedules. This part is CE marked, belongs to the Class RK1 family, and offers an interrupt rating up to 300 kAIC at 600 Vac. In practice, it helps electrical engineers meet safety and compliance while enabling easy installation in standard panels; it also supports reliable protection within the broader Bussmann line for long-term operational efficiency and cost control.

Product Information

Extended Description

LPS-RK-3/10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 0.3 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-3/10SP
UPC
051712548038
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
0.3 A
Interrupt rating
100 kAIC at 300 Vdc 300 kAIC at 600 Vac
Response time
10 sec at 500%
Fuse type
Time delay Current-limiting
Number of elements
Dual
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
10
Feature: Time-delay, dual-element, current-limiting design. Benefit: Handles inrush without nuisance trips, protecting circuits while enabling smooth motor starts and transformer energizations. Application: motor drives, power supplies, and transformer protection in industrial automation environments. The impact is measurable in reduced downtime and lower maintenance costs, with compatibility across standard Bussmann RK1 infrastructure. Feature: High interrupt ratings of up to 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc. Benefit: Maintains system integrity in high fault-current scenarios, improving overall plant safety and reducing exposure to catastrophic faults. Application: heavy-duty panels and secondary side protection in automated lines where fault currents can spike. This translates to fewer incidental trips during faults and safer shutdown sequences. Feature: Class RK1, non-indicating, dual-element fuse design. Benefit: Simplifies panel layout and integration with existing Bussmann RK1 components, speeding up replacement and reducing stocking complexity. Application: standard control panels and distributed protection across automation racks. The result is improved maintenance efficiency and predictable, repeatable protection. Feature: Physical form factor and packaging. Benefit: 5 in length with 0.81 in width and height supports compact, modular installations; standard packaging (10 per package) accelerates procurement and stocking. Application: retrofit projects and new builds requiring consistent, readily available fuse replacements. Feature: Compliance and procurement clarity. Benefit: CE marking confirms European compliance, while documented specifications (0.3 A, dual-element, time-delay) provide confidence for OEMs and integrators. Application: industrial equipment across regions with strict safety and regulatory expectations; supports efficient vendor qualification and BOM accuracy.

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