Eaton LPS-RK-225SP-TP Fuse - Class RK1 RoHS Compliant
Part Number: LPS-RK-225SP-TP
Quick Summary
The Eaton Bussmann LPS-RK fuse is a time-delay, current-limiting protector for industrial power circuits. Engineers often struggle with nuisance trips during motor inrush and finding protection that matches load without downtime. It carries RoHS compliance and Class RK1 designation, with high interrupt ratings of 100 kAIC at 300 Vdc and 300 kAIC at 600 Vac. For panel builders and process engineers, this fuse delivers reliability and uptime while simplifying sourcing and compliance across 600 V and 300 Vdc applications. Its tin-plated construction and standard packaging support easy installation and durable service in harsh industrial environments.
Product Information
Extended Description
LPS-RK-225SP-TP Eaton: Eaton Bussmann series LPS-RK fuse, Low-peak fuse, 225 A, RK1, Non-indicating, Time delay, Current-limiting, 100 kAIC at 300 Vdc, 300 kAIC at 600 V, Tin-plated, Standard, 600 V, 300 Vdc
Product Name
Eaton Bussmann series LPS-RK fuse
Catalog Number
LPS-RK-225SP-TP
UPC
051712752473
Product Length/Depth
11.63 in
Product Height
2.36 in
Product Width
2.36 in
Product Weight
4.6 lb
Warranty
Not Applicable
Compliances
RoHS Compliant
Amperage Rating
225 A
Interrupt rating
100 kAIC at 300 Vdc 300 kAIC at 600 Vac
Voltage rating
600 V, 300 Vdc
Fuse type
Time delay Current-limiting
Material
Tin-plated
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
LPS-RK-225SP-TP~CLASS RK1 FUSE TIN PLATED
LPS-RK-225SP-TP~CLASS RK1 FUSE TIN PLATED
Bussmann series Fuseology
Eaton Specification Sheet - LPS-RK-225SP-TP
Feature: Time-delay, current-limiting fuse with 225 A rating. Business Impact: Reduces nuisance trips during short-circuit and inrush events, protecting motor loads while maintaining line power. Application: Motor control centers, drives, and panelboards where stable protection is required. Feature: Class RK1 designation with RoHS compliant construction. Business Impact: Ensures compatibility with RK1 fuse blocks and regulatory compliance across regions, simplifying procurement. Application: Industrial switchgear, process equipment, and control panels needing RK1-class protection. Feature: High interrupt ratings (100 kAIC at 300 Vdc, 300 kAIC at 600 Vac). Business Impact: Faster fault isolation and safer shutdown in high-energy systems, improving safety margins. Application: Large drives, feeders, and distribution networks. Feature: Tin-plated material and standard packaging. Business Impact: Corrosion resistance and easy installation in standard fuse holders, reducing maintenance downtime. Application: Harsh environments and retrofits in existing Bussmann RK1 ecosystems. Feature: 11.63 in length, 2.36 in width, 2.36 in height, 4.6 lb weight. Business Impact: Predictable form factor supports straightforward replacement and rack-mount compatibility. Application: Panel assemblies and retrofit scenarios requiring consistent dimensions.
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FAQs
The LPS-RK-225SP-TP is designed for Class RK1 fuse blocks and RK1-rated assemblies. It fits standard Bussmann RK1 protection schemes and is ideal for control panels, motor drives, switchgear, and distribution panels operating at 600 V and 300 Vdc.
It is rated at 225 A with interruption ratings of 100 kAIC at 300 Vdc and 300 kAIC at 600 Vac. The voltage ratings are 600 V and 300 Vdc, and the fuse is RoHS compliant with tin-plated terminals.
Applications with motor inrush and short motor acceleration sequences benefit from the time-delay characteristic, while current-limiting helps protect downstream components from excessive fault currents in drives, switchgear, and power distribution units.
The fuse is RoHS compliant and designated as Class RK1. It carries high interrupt ratings suitable for industrial power protection, with voltage ratings supporting both 600 V and 300 Vdc environments.
By reducing nuisance trips, providing robust fault interruption, and offering a standard form factor, it minimizes downtime, simplifies stocking, and lowers maintenance frequency in RK1-compatible systems.