Eaton LPN-RK-2-8/10SP Fuse - Class RK1, CE Marked
Part Number: LPN-RK-2-8/10SP
Quick Summary
The Eaton Bussmann LPN-RK fuse delivers time-delay protection for motors and branch circuits. Engineers often struggle with nuisance trips during startup and inrush events that disrupt production. This Class RK1 device is CE marked and features dual-element protection with high interrupt ratings, making it suitable for industrial environments. The 2.8A rating at 250 Vac / 125 Vdc supports compact control panels while meeting reliability and compliance needs. Designed for control panels and motor protection applications, it helps reduce downtime and maintenance costs while ensuring safe fault clearance and predictable performance.
Product Information
Extended Description
LPN-RK-2-8/10SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPN-RK, time-delay, dual-element, current limiting fuse, 2.8 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-2-8/10SP
UPC
051712538176
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
2.8A
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
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Quantity
10
Special features
Indicating, High in-rush current motor protection
Bussmann Full Line Catalog
Bussmann Full Line Catalog
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 → Business Impact → Application: Time-delay, dual-element design delivers current-limiting protection during inrush, reducing nuisance trips and extending motor life in conveyor and packaging lines. This improves uptime and lowers maintenance costs in automated machinery. Application: Best suited for small-motor protection in control panels and power distribution blocks where inrush currents are common. Feature → Business Impact → Application: 2.8A rating at 250 Vac / 125 Vdc aligns with compact loads, enabling precise protection without over-sizing, improving energy efficiency and component life. Application: Suitable for equipment with moderate startup currents in machine automation and process lines. Feature → Business Impact → Application: High interrupt ratings of up to 300 kAIC at 250 Vac and 100 kAIC at 125 Vdc provide robust fault clearing, enhancing system safety in switchgear and MCCs. Application: Critical in large-scale panel assemblies and distributed control architectures. Feature → Business Impact → Application: Class RK1 compliance and CE marking simplify global procurement and regulatory adherence, reducing qualification time for EU and international projects. Application: Global industrial deployments across automotive, packaging, and material handling. Feature → Business Impact → Application: Non-indicating versus indicating features (special features note indicating capability) support chosen visibility in maintenance regimes, enabling streamlined diagnostics where required. Application: Fits into standard Bussmann RK1 holders with ferrule-end connections for quick field replacement.
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FAQs
The LPN-RK-2-8/10SP uses ferrule-end connections and measures 2 inches in length with a 0.56 in square cross-section, designed for RK1 holders in standard control panels. It is compatible with 250 Vac and 125 Vdc circuits commonly found in industrial motor control centers and automation panels.
This fuse is rated at 2.8A with a voltage rating of 250 Vac / 125 Vdc. It provides an interrupt rating of 300 kAIC at 250 Vac and 100 kAIC at 125 Vdc, ensuring safe interruption during fault conditions in high-energy systems.
Yes. The LPN-RK series is designed as a time-delay, dual-element device optimized for motors and loads with inrush currents. Its time-delay characteristic reduces nuisance trips during motor start-up while still delivering rapid protection against sustained overloads.
The fuse is CE marked and classified as Class RK1, aligning with global electrical protection standards. These certifications facilitate international procurement and ensure adherence to industry safety and performance requirements in European and other markets.
By reducing nuisance trips and providing reliable motor protection, the LPN-RK-2-8/10SP minimizes unplanned downtime and equipment wear. Its compact form factor and robust interrupt ratings simplify maintenance and field replacement, delivering lower total cost of ownership in automated lines and control panels.