Eaton LPS-RK-6SPI Fuse - RK1 Time-Delay, 6 A, 600 Vac
Part Number: LPS-RK-6SPI
Quick Summary
The Eaton LPS-RK-6SPI fuse protects industrial control panels with reliable time-delay, current-limiting protection. In crowded panel builds, nuisance trips and difficult replacement can drive downtime and maintenance costs. This CE-marked part belongs to the RK1 family, delivering robust interruption performance for short circuits in automation systems. For engineers and procurement teams, the compact 5 in length, ferrule-end connections, and optional indicator end caps translate to easier installation, fewer spare parts, and improved field reliability. By combining predictable response with a proven RK1 architecture, this fuse supports safer, more efficient electrical protection in modern facilities.
Product Information
Extended Description
LPS-RK-6SPI Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 6 A, indicating fuse, interrupting rating of 300 kA at 600 Vac
Product Name
Eaton Bussmann series LPS-RK fuse
Catalog Number
LPS-RK-6SPI
UPC
051712626873
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
6 A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC at 300 Vdc
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 With Indicator
Quantity
10
Special features
Electrically isolated end cap
Bussmann Full Line Catalog
Bussmann Full Line Catalog
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, current-limiting design. Benefit: Smoothly handles motor inrush and transient overloads while protecting circuits, reducing nuisance trips in automation equipment. Application: Motor control centers and power distribution in industrial panels. Feature: 6 A rating with 300 kAIC interrupt capability at 600 Vac. Benefit: Superior fault clearance and discrimination for high-energy systems, minimizing collateral damage. Application: feeders and drives in heavy machinery installations. Feature: Class RK1, ferrule end x ferrule end, electrically isolated end caps. Benefit: Standardized installation with safer handling and easier terminal connections in retrofit or new builds. Application: field servicing and panel upgrades. Feature: Time-delay with optional indicator, 5 in length, standard packaging. Benefit: Quick replacement, clear fault indication when needed, and streamlined stocking. Application: routine maintenance in controlled environments. Feature: CE compliance and general information: quantity 10. Benefit: Regulatory alignment and predictable procurement planning for manufacturing plants. Application: global manufacturing and systems integration. Feature: Special features include electrified end caps for safety and compatibility with Bussmann RK1 series. Benefit: Enhanced safety and reliable cross-compatibility with existing RK1 components. Application: integrated protection schemes in automation and control architectures.
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FAQs
The LPS-RK-6SPI is designed for industrial control panels and motor protection. It provides time-delay, dual-element, current-limiting protection, supporting reliable protection for drives, controllers, and feeders while allowing controlled inrush and short-circuit clearance within RK1 standards.
Key ratings include a 6 A amperage rating, 600 Vac voltage rating, and a 300 kAIC interrupt rating at 600 Vac (plus 100 kAIC at 300 Vdc). It is a time-delay, dual-element, current-limiting fuse with a 10-second response at 500% overcurrent, suitable for protecting demanding industrial circuits.
Yes. It is part of the Eaton Bussmann RK1 family with ferrule end connections and standard 5 in length, designed for easy substitution in RK1-compatible panels and assemblies. Ensure the end-cap configuration matches your terminal hardware and consider the indicator option if fault visibility is required.
Install with ferrule end x ferrule end terminals, using the electrically isolated end caps for safety. The fuse features a 5 in body length and a 0.81 in width/height footprint, and it is available with or without a noticeable indicator. Packaging comes in standard quantities to simplify stocking for maintenance teams.
Refer to the Bussmann Full Line Catalog and the data sheet 1001 for Low-Peak 600 V RK1 time-delay fuses. Eaton’s catalog resources provide detailed electrical characteristics, mounting guidance, and installation notes to support selection and compliance.