Eaton LPS-RK-5SP Fuse - RK1 Class, 5A, 600Vac CE Marked
Part Number: LPS-RK-5SP
Quick Summary
The Eaton LPS-RK-5SP fuse provides reliable protection for electrical panels and motor circuits in industrial automation. In demanding production environments, nuisance trips and slow fault response can drive downtime and equipment damage. Key certifications include CE marking, with RoHS data available through Eaton's RoHS tool to support regulatory programs; this fuse is Class RK1 with a 5 A rating and high interrupt ratings. Its ferrule-to-ferrule ends and electrically isolated end caps simplify wiring and installation, while the compact 5 in length fits tight control panels and reduces cabinet footprint. For panel builders and machine integrators, this model delivers dependable protection with predictable procurement and global compliance.
Product Information
Extended Description
LPS-RK-5SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 5 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-5SP
UPC
051712548236
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
5 A
Interrupt rating
100 kAIC at 300 Vdc 300 kAIC at 600 Vac
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 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
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 600 V LPS Class RK1 time-delay fuses, up to 600 A data sheet no. 1001
Feature: Time-delay, dual-element design provides tolerance for motor inrush and transient faults. Benefit: Reduces nuisance trips while still interrupting damaging faults, improving uptime in automation panels and machine controls. Application: Motors, actuators, and drive circuits in conveyor lines and packaging machinery. Feature: Current-limiting action paired with a 5 A rating and 600 Vac / 300 Vdc voltage capability. Benefit: Short-circuit energy is curtailed rapidly, protecting conductors and devices, lowering arc flash risk, and enabling safer startup sequences. Application: Control panels, power distribution blocks, and feeder circuits in industrial equipment. Feature: Class RK1 construction with ferrule-end x ferrule-end connections. Benefit: Easy, repeatable installation with secure, vibration-resistant terminations, reducing maintenance calls and wire-fatigue concerns. Application: Standard Bussmann series fuse holders and panel assemblies in automation cabinets. Feature: Non-indicating design and electrically isolated end caps. Benefit: Cleaner panel aesthetics and safer servicing, since end caps minimize contact potential during maintenance. Application: Compact enclosure layouts and retrofit projects where quick visual verification matters. Feature: High interrupt ratings (300 kAIC at 600 Vac, 100 kAIC at 300 Vdc) and 10-second response at 500% overload. Benefit: Superior fault protection for large motors and power feeds, with predictable, fast interruption. Application: Heavy-duty industrial controls, presses, and process automation systems. Feature: Compact form factor and standardized packaging (5 in length, 10 pieces per quantity). Benefit: Simplified stocking, faster replacement, and reduced inventory complexity for engineers and procurement teams. Application: OEM panel builds and serviceable field installations.
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FAQs
The LPS-RK-5SP uses ferrule-end terminations, matching standard ferrule-compatible fuse holders and control-panel architectures. Its 5 in length and RK1 construction simplify mounting in compact enclosures while maintaining compliance. Ensure proper ferrule sizing and secure mounting to preserve UL/CE compliance and traceability in panel builds.
The fuse provides 5 A amperage with a 600 Vac rating and 300 Vdc capability. It features interrupt ratings of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, with a 10-second response time at 500% overload, delivering rapid fault interruption while tolerating short transients in motor circuits.
Yes. The LPS-RK-5SP’s time-delay, dual-element design accommodates motor inrush, while its current-limiting action protects conductors and drives during fault conditions. It is well suited for conveyor systems, pumps, and machine-control circuits where reliable interruption and minimized nuisance trips are critical to uptime.
The fuse carries CE marking to meet European safety directives. RoHS compliance data is accessible via Eaton’s RoHS tool to support regulatory programs. The device is part of the Class RK1 family with ferrule-end construction, supporting safe panel assembly and audits in industrial settings.
The robust interrupt ratings reduce outage risk, while the compact form factor and standard packaging (ten pieces per pack) simplify stocking and replacement. Easy installation with ferrule ends saves wiring time, contributing to lower maintenance costs and faster service, delivering measurable ROI for panel builders and OEMs.