Eaton LPS-RK-80SP Fuse - 300 kAIC at 600 Vac
Part Number: LPS-RK-80SP
Quick Summary
Eaton LPS-RK-80SP fuse provides reliable time-delay protection for industrial control circuits. Engineers often struggle with nuisance trips during inrush while needing robust fault clearance, and this device helps balance both needs. It carries CE marking and RoHS compliance, aligning with regulatory expectations, and the Class RK1 designation fits common panel protection standards. For procurement teams, this low-profile, blade-end fuse delivers predictable, safe protection with high interrupt ratings, reducing downtime and simplifying maintenance across motor drives, pumps, and power distribution panels. By combining proven performance with easy installation, it supports a leaner spare parts footprint and longer equipment life.
Product Information
Extended Description
LPS-RK-80SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 80 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-80SP
UPC
051712548434
Product Length/Depth
7.88 in
Product Height
1.11 in
Product Width
1.11 in
Product Weight
4 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
80 A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC at 300 Vdc
Voltage rating
600 Vac, 300 Vdc
Fuse type
Time delay Current-limiting
Number of elements
Dual
Packaging type
Standard
Class
Class RK1
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Quantity
1
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, 70-600 A data sheet no. 1002
Feature: Time-delay, dual-element, current-limiting design. Business impact: Enables safe inrush handling and selective fuse action, reducing nuisance trips and extending motor life. Application: Motor starters and pump circuits in manufacturing lines. Feature: High interrupt rating (300 kAIC at 600 Vac; 100 kAIC at 300 Vdc). Business impact: Withstands high-energy fault events, protecting upstream devices and reducing system downtime. Application: feeders and distribution panels in heavy-duty industrial settings. Feature: Electrically isolated end caps. Business impact: Enhances installer safety and simplifies field diagnostics during maintenance. Application: panel installations where clear isolation improves serviceability. Feature: Class RK1, blade end x blade end, non-indicating. Business impact: Streamlines compatibility with standard RK1 footprints and reduces misinterpretation of fuse status in dense panels. Application: standard control cabinets and machine integration. Feature: Compliance and packaging. Business impact: CE marking and RoHS compliance ensure regulatory alignment; standard packaging supports quick stocking and deployment. Application: procurement and inventory management for OEMs and integrators. Feature: 80 A rating with 7.88 in length and 1.11 in cross-section. Business impact: Compact yet capable protection for space-constrained panels, improving layout flexibility. Application: compact control enclosures and modular power assemblies.
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FAQs
The LPS-RK-80SP uses blade end x blade end connections with a standard 7.88 in length and 1.11 in width, enabling straightforward drop-in replacement in RK1-class panels. The compact footprint supports dense, modular enclosures while the electrically isolated end caps improve safe handling during installation and maintenance.
Key specs include an 80 A amperage rating, 600 Vac / 300 Vdc voltage rating, and interrupt ratings of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc. It is a time-delay, dual-element, current-limiting fuse designed to tolerate inrush while providing fast fault clearance.
Yes. The time-delay, current-limiting characteristics support motor starting surges, while the 80 A rating and high interrupt capacity help protect downstream drives, contactors, and wiring from short circuits. Its RK1 class designation ensures compatibility with common motor control panels.
The LPS-RK-80SP is CE marked and RoHS compliant, ensuring regulatory alignment and environmental responsibility. It belongs to the Class RK1 family, a widely used standard for low-peak, time-delay fuses in industrial panels, which helps with design consistency and compliance documentation.
Its robust interrupt rating, long service life, and non-indicating design reduce nuisance trips and simplify diagnostics. The electrically isolated end caps improve safety during servicing, lowering maintenance time and downtime, which translates to lower total cost of ownership and faster ROI in motor-driven applications.