Eaton LPN-RK-2/10SP Fuse - RK1 Time-Delay Dual-Element
Part Number: LPN-RK-2/10SP
Quick Summary
The LPN-RK-2/10SP fuse from Eaton provides time-delay protection for motors and control circuits in industrial equipment. For equipment with high inrush, this dual-element design minimizes nuisance tripping while protecting wiring. CE marked for European compliance, Class RK1 construction offers robust short-circuit protection, with interrupt ratings of 100 kAIC at 125 Vdc and 300 kAIC at 250 Vac to safeguard critical loads. As a Bussmann series low voltage fuse, it supports motor protection strategies while reducing downtime and maintenance costs through selective coordination and predictable responses. Its compact 2-inch length, 0.56 inch dimensions, and non-indicating design simplify panel integration and diagnostic clarity.
Product Information
Extended Description
LPN-RK-2/10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPN-RK, time-delay, dual-element, current limiting fuse, 0.2 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-2/10SP
UPC
051712538022
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
0.2 A
Interrupt rating
100 kAIC at 125 Vdc 300 kAIC at 250 Vac
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
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
The LPN-RK-2/10SP employs a time-delay, dual-element design to tolerate motor inrush while maintaining fast fault clearing, enabling smoother startup sequences in conveyors, pumps, and fans. This directly translates to uptime gains and reduced maintenance in process and manufacturing environments. Its 0.2 A amperage rating and current-limiting action protect small control circuits and relays, lowering heat buildup and wear in panel enclosures. With 100 kAIC at 125 Vdc and 300 kAIC at 250 Vac interrupt ratings, it supports robust short-circuit protection in high-energy systems without sacrificing selectivity. The RK1 class, non-indicating indicator, and standard 2 in length ensure quick installation, easy replacement, and clean diagnostics in industrial control panels. CE compliance and Bussmann RK1 compatibility streamline procurement and lifecycle management.
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FAQs
The LPN-RK-2/10SP is a 2 in long, 0.56 in wide dual-element time-delay fuse designed for standard low-voltage fuse holders in panelboard and control cabinet enclosures. It fits RK1 style holders in Bussmann series systems and supports straightforward panel installation with non-indicating status for clean diagnostics.
Key specs include a 0.2 A amperage rating, voltage rating of 250 Vac / 125 Vdc, and interrupt ratings of 100 kAIC at 125 Vdc and 300 kAIC at 250 Vac. The device provides time-delay protection with an 8 second response time at 500% overload, suitable for motor inrush scenarios.
Yes. The dual-element, time-delay design minimizes nuisance trips on motors with high inrush while still interrupting severe faults. It is ideal for motors, fans, and conveyors in industrial environments that require selective coordination and reliable protection.
The fuse is CE marked, indicating conformity with European safety and performance standards. It belongs to the RK1 class in Eaton’s Bussmann series, ensuring recognized protection characteristics in motor and control circuits.
By reducing nuisance trips during motor start-up and providing reliable short-circuit protection, the LPN-RK-2/10SP helps minimize unplanned downtime and maintenance costs. Its compact form factor also reduces panel space needs and simplifies spare part inventories.