Eaton LESRK40I Fuse - UL Listed, 40 A, 200 kAIC
Part Number: LESRK40I
Quick Summary
The Eaton LESRK40I fuse is a 40 A Edison-style protection device designed for high inrush motor circuits up to 600 V. It helps protect motors and drives from overload and fault conditions without compromising startup performance. This unit carries CSA Certified and UL Listed marks, aligning with widely adopted safety standards in industrial environments. Its non-indicating design reduces field wear and simplifies panel mounting, while standard packaging supports straightforward installation in control cabinets. For engineers tasked with reliable drive protection, the LESRK40I integrates with existing Edison fuse holders and bus systems, delivering predictable coordination, lower downtime, and a clear path to scalable protection across motor fleets.
Product Information
Extended Description
LESRK40I Eaton: Eaton Edison LESRK fuse, Indicating, High in-rush current motor protection, 40 A, 200 kAIC, Standard, 600 V
Product Name
Eaton Edison LESRK fuse
Catalog Number
LESRK40I
UPC
782634990468
Product Length/Depth
5.5 in
Product Height
1.06 in
Product Width
1.06 in
Product Weight
2.6 lb
Warranty
No warranty
Compliances
Not Applicable
Certifications
CSA Certified UL Listed
Amperage Rating
40 A
Interrupt rating
200 kAIC
Voltage rating
600 V
Packaging type
Standard
Fuse indicator
Non-indicating
Special features
Indicating, High in-rush current motor protection
Feature: 40 A rating with a 200 kAIC interrupt capability at 600 V. Business Impact: Enables fast, reliable fault clearing for high inrush motors, minimizing damage to motor windings and downstream equipment. Application: Ideal for motor drives, conveyors, and fans in industrial automation. Feature: Compact, standard packaging and dimensional footprint (5.5 in length, 1.06 in height, 1.06 in width) with a 2.6 lb weight. Business Impact: Simplifies panel layout and installation in tight control enclosures, reducing installation time and material costs. Application: Used in compact switchgear and panel boards for HVAC, material handling, and manufacturing lines. Feature: Certifications including CSA Certified and UL Listed. Business Impact: Ensures compliance with common industrial safety requirements, streamlining procurement and reducing compliance risk. Application: Suitable for regulated facilities and multi-site deployments requiring recognized marks. Feature: Non-indicating fuse indicator reduces field wear in harsh environments. Business Impact: Improves reliability in vibration-prone installations and minimizes nuisance indications. Application: Preferred in rugged plant floors where external indicators are less practical. Feature: High inrush current motor protection tailored to Edison fuse family. Business Impact: Supports safe motor starting, lowers maintenance costs, and extends drive life. Application: Engineered for motor control centers, drives cabinets, and heavy-duty equipment fleets.
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FAQs
LESRK40I is designed for Edison-style fuse holders with standard European/US Edison footprint. It measures 5.5 in long and fits typical control panels and enclosures used for motor drives and protection schemes.
The fuse provides a 40 A amperage rating, 200 kAIC interrupt rating, and a 600 V voltage rating, with CSA Certified and UL Listed markings for established safety compliance.
Yes. It is engineered for high inrush current motor protection and is compatible with standard Edison fuse holders, supporting reliable startup and fault clearing in industrial drives.
The LESRK40I carries CSA Certified and UL Listed certifications, indicating compliance with widely recognized North American electrical safety standards.
With a robust 2.6 lb form factor and non-indicating design, maintenance is straightforward and downtime is minimized through fast, predictable fault interruption. Note the warranty status is listed as no warranty in the data.