Eaton LPN-RK-10SP Fuse - Class RK1 Time-Delay, Dual-Element
Part Number: LPN-RK-10SP
Quick Summary
The LPN-RK-10SP fuse by Eaton is a time-delay, dual-element protective device designed to protect motors and circuits in industrial control panels. It addresses nuisance tripping during motor inrush by offering a controlled delay while maintaining rapid interruption during faults. This CE-marked Class RK1 protector combines reliability with a compact form factor, enhancing panel density and serviceability. By delivering dependable protection for motor drives and power circuits, it supports uptime and safety, while compatible with standard Bussmann RK1 fuse applications and easy wiring in ferrule-end configurations for streamlined installation and maintenance.
Product Information
Extended Description
LPN-RK-10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPN-RK, time-delay, dual-element, current limiting fuse, 10 A, non-indicating fuse, interrupting rating of 300 kA at 250 Vac and 100 kA at 125 Vdc
Product Name
Eaton Bussmann series LPN-RK fuse
Catalog Number
LPN-RK-10SP
UPC
051712538305
Product Length/Depth
2 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
10 A
Interrupt rating
300 kAIC at 250 Vac 100 kAIC at 125 Vdc
Response time
8 sec at 500%
Voltage rating
250 Vac, 125 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
Special features
Non-indicating, High in-rush current motor protection
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Low-Peak 250 V LPN Class RK1 time-delay fuses,1/10-60 A data sheet no. 1003
Feature: Time-delay, dual-element design provides controlled inrush handling. Benefit: Reduces nuisance trips during motor startup, improving line uptime and equipment availability in high-load applications. Application: Motor drives, conveyors, pumps in industrial facilities. Long-tail keywords: industrial motor protection, inrush current protection, motor startup protection. Feature: Current-limiting with high interrupt rating for reliable startup protection. Benefit: Safeguards conductors and downstream electronics even under fault conditions, lowering thermal damage risk. Application: Control panels and distribution feeders in manufacturing lines. Long-tail keywords: current-limiting fuses, high interrupt rating devices, motor protection fuses. Feature: 10 A rating with 250 Vac / 125 Vdc operation and 300 kAIC at 250 Vac / 100 kAIC at 125 Vdc. Benefit: Predictable protection aligned with standard industrial circuits, enabling safer panel design and easier compliance verification. Application: Control circuits and motor protection circuits in mixed AC/DC environments. Long-tail keywords: amperage rating, voltage rating, interrupt rating. Feature: Ferrule-end connections with compact 2 in length and standard packaging. Benefit: Easy installation with common wiring practices, faster field replacement, and lower assembly errors. Application: Retrofit projects and new equipment in existing RK1 fuse footprints. Long-tail keywords: ferrule end connections, standard packaging, quick replacement. Feature: Non-indicating fuse with Class RK1 designation and high in-rush motor protection features. Benefit: Clear, predictable protection behavior in panel layouts and enhanced safety with reliable motor protection during startup surges. Application: Industrial control panels and drives requiring robust inrush protection. Long-tail keywords: non-indicating fuse, Class RK1, high in-rush protection.
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FAQs
Install the LPN-RK-10SP using its ferrule-end x ferrule-end configuration in a standard RK1 fuse footprint. Verify the amperage rating of 10 A and voltage rating of 250 Vac / 125 Vdc match your circuit. Use appropriate wiring practices, ensure proper seating, and replace only with the same LPN-RK-1x family fuse to maintain protection standards.
The LPN-RK-10SP provides an interrupt rating of 300 kAIC at 250 Vac and 100 kAIC at 125 Vdc, ensuring robust fault current interruption for motor loads and critical circuits while minimizing conduit and conductor damage during short-circuit events.
Yes. It is a time-delay, dual-element fuse designed for motor protection, particularly effective during startup inrush. The Class RK1 designation and non-indicating design support reliable protection in motor control panels, reducing nuisance trips while maintaining safety and compliance in industrial drives.
The LPN-RK-10SP is CE marked and classified as Class RK1. This ensures compliance with European safety requirements and alignment with Bussmann RK1 protection standards for reliable circuit protection in industrial panels.
The fuse reduces downtime from nuisance trips during motor startup, improving line reliability and productivity. Its robust interrupt ratings protect downstream equipment, potentially lowering repair costs, while its standard packaging and ferrule-end connections simplify field replacement and maintenance planning.