Eaton LESRK4.5 Fuse - 200 kAIC UL Listed
Part Number: LESRK4.5
Quick Summary
Eaton Edison LESRK fuse is designed to protect motors in industrial control panels from inrush spikes. Engineers often struggle to balance fast protection with minimizing nuisance trips during startup. CSA Certified and UL Listed marks, together with Class RK1 performance, support safe, compliant installations. For panel builders and service teams, LESRK4.5 delivers reliable motor protection at 600 V with straightforward stocking. This combination helps reduce downtime and extends motor life by avoiding over- or under-fusing. Industrial buyers benefit from compatibility with Eaton Edison holders and standard 5 inch fuse form factor.
Product Information
Extended Description
LESRK4.5 Eaton: Eaton Edison LESRK fuse, Non-indicating, High in-rush current motor protection, 4.5 A, Class RK1, 200 kAIC, Standard, 600 V
Product Name
Eaton Edison LESRK fuse
Catalog Number
LESRK4.5
UPC
782634548225
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
1.6 lb
Warranty
No warranty
Compliances
Not Applicable
Certifications
CSA Certified UL Listed
Amperage Rating
4.5A
Interrupt rating
200 kAIC
Voltage rating
600 V
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Special features
Non-indicating, High in-rush current motor protection
Non-indicating design reduces panel clutter and simplifies status monitoring, enabling quicker maintenance decisions and less wiring complexity. Business impact: lower panel complexity, faster diagnostics, and reduced troubleshooting time in motor control centers. Application: 600 V motor circuits in OEM machines and process lines benefit from clean installation and standardized components. The fuse’s standard form factor supports easy replacement during scheduled maintenance, cutting downtime and inventory costs. The high inrush current motor protection feature delivers reliable startup performance, decreasing nuisance trips and protecting startups against damaging faults. Application: conveyors, pumps, and fans in manufacturing lines gain smoother operation and longer motor life. This device carries Class RK1 protection, ensuring predictable coordination with common motor starters and contactors, reducing mismatch risk. The 4.5 A rating with a 200 kAIC interrupt rating provides a precise balance between protection and selectivity. Application: medium-load motors in control panels require tight discrimination to avoid cascading trips. Certifications from CSA and UL Listed reinforce compliance across markets, while standard packaging simplifies stocking and field deployment. The compact 5 in length and compact footprint fit tight panel spaces, enabling robust protection without redesigning enclosures. This aligns with industry best practices for reliability, safety, and cost control in electrical protection.
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FAQs
LESRK4.5 is a standard 5 inch, non-indicating RK1 class fuse designed for 600 V motor circuits. For proper installation, mount in compatible Eaton Edison fuse holders, ensure correct ampere rating of 4.5 A, and verify the interrupt rating meets system fault levels (200 kAIC). Use in standard panel spaces and follow manufacturer clearances to maintain optimal cooling and accessibility.
Key specs include an amperage rating of 4.5 A, interrupt rating of 200 kAIC, and a voltage rating of 600 V. It is a Class RK1 fuse with non-indicating indicators, designed for high inrush current motor protection and standard 5 in form factor, suitable for motor starter assemblies and control panels.
Yes. The LESRK4.5 is optimized for high inrush current motor protection, balancing rapid fault interruption with tolerance for startup surges. Its RK1 class rating and 200 kAIC interrupt capability provide reliable short-circuit protection without unnecessary nuisance trips in typical industrial drive scenarios, such as conveyors, pumps, and fans.
The LESRK4.5 fuse is CSA Certified and UL Listed, confirming compliance with safety and performance standards for electrical protection devices used in industrial equipment and electrical panels. These certifications support regulatory acceptance across multiple markets and aid in supplierQualification during procurement.
Warranty for this item is listed as No warranty, which is common for discrete protection components. Compatibility is strong with Eaton Edison fuse holders and standard RK1 motor protection schemes. The fuse’s dimensions (5 in length, 0.81 in width and height) and 4.5 A rating support straightforward replacement and stocking in centralized stores.