Eaton LPN-RK-60SPI fuse - Class RK1, Time-delay
Part Number: LPN-RK-60SPI
Quick Summary
Eaton LPN-RK-60SPI fuse provides time-delay, current-limiting protection for industrial control panels and motor circuits. Designers often contend with nuisance trips during motor startup and transient surges, which can drive maintenance costs and downtime. This Class RK1 device carries CE marking and supports RoHS verification via Eaton's RoHS tool, helping ensure regulatory compliance. By pairing a compact, robust fuse with reliable protection, it delivers improved device uptime and reduced total cost of ownership for industrial electrical protection networks. The LPN-RK-60SPI also aligns with LPN family standards, supporting consistent procurement and spare part strategies across plant fleets.
Product Information
Extended Description
LPN-RK-60SPI Eaton: Eaton Bussmann Series Class RK1 fuse, LPN-RK, time-delay, dual-element, current limiting fuse, 60 A, indicating fuse, interrupting rating of 300 kA at 250 Vac
Product Name
Eaton Bussmann series LPN-RK fuse
Catalog Number
LPN-RK-60SPI
UPC
051712626736
Product Length/Depth
3 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
1.2 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
60 A
Interrupt rating
300 kAIC at 250 Vac 100 kAIC at 125 Vdc
Response time
10 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 With Indicator
Quantity
10
Special features
Electrically isolated end cap
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 enables controlled inrush handling while sustaining fast fault clearing. Impact: Reduces nuisance tripping and wear on contactors, improving line availability and extending equipment life. Application: Motor drives and HVAC systems where inrush management is critical and downtime is costly. Feature: 60 A amperage rating with 300 kAIC interrupt rating at 250 Vac (100 kAIC at 125 Vdc). Impact: High fault current tolerance protects feeders and downstream electronics without nuisance outages. Application: Main feeders and branch circuits in control panels requiring strong protection margins. Feature: Class RK1 fuse with ferrule end connections. Impact: Easy, reliable plug-in installation with standardized termination for quick panel builds. Application: Replacement in existing RK1 installations and new build-outs in electrical protection panels. Feature: Electrically isolated end caps and dual-element construction. Impact: Safer maintenance and predictable discrimination during faults. Application: Environments where safe handling and consistent performance are essential. Feature: Compact 3 in length and 0.81 in square footprint, weighing 1.2 lb. Impact: Minimal panel real estate and straightforward retrofits. Application: Space-constrained control cabinets and compact switchgear. Feature: Availability in non-indicating or indicator variants. Impact: Flexibility for condition monitoring and panel diagnostics. Application: Systems requiring status indication for quick fault resolution. Feature: 10 sec response time at 500% overcurrent. Impact: Provides predictable protection timing and coordination with upstream protection. Application: Protective schemes for machinery loads with known transient profiles.
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FAQs
The LPN-RK-60SPI uses ferrule end x ferrule end connections and adheres to Class RK1 standards, making it a direct fit for existing RK1 fuse blocks. Confirm panel space (3 in length, 0.81 in width and height) and ensure the non-indicating or indicator variant matches your diagnostic needs. This minimizes replacement complexity during maintenance.
This fuse is rated for 60 A with an interrupt rating of 300 kAIC at 250 Vac and 100 kAIC at 125 Vdc. It has a 250 Vac / 125 Vdc voltage rating and a 10-second response time at 500% overcurrent, providing robust protection for feeders and motor circuits while enabling quick fault isolation.
Yes. Its time-delay characteristic and dual-element design handle motor inrush and startup surges, reducing nuisance tripping. For optimal results, pair it with properly sized contactors and consider the 60 A rating to balance protection and equipment availability in typical motor control centers.
Ensure the panel supports ferrule-end terminations and that the variant chosen matches indication needs (non-indicating vs with indicator). Verify the 3 in length and 0.81 in cross-section fit in the panel space, and check the CE marking for regulatory compliance in your region.
The fuse carries CE marking, and Eaton provides a RoHS compliance tool to verify material restrictions. Use the RoHS Search Tool linked in Eaton’s materials to confirm compliance for your specific market and ensure regulatory alignment in your project.