Eaton LESRK45I Fuse - UL Listed 200 kAIC
Part Number: LESRK45I
Quick Summary
The Eaton LESRK45I fuse protects motors in industrial drives and equipment, delivering reliable, current-rated protection for startup and running conditions. Engineers often face nuisance trips from inrush currents that disrupt productivity and extend downtime. This device carries UL Listed and CSA Certified approvals, supporting compliance in electrical panels and motor control centers. With a 45 A rating, 600 V capability, and a 200 kAIC interrupt rating, it delivers robust protection while fitting standard enclosures. By combining high inrush protection with compact packaging, the LESRK45I helps optimize safety, efficiency, and footprint in your motor circuits.
Product Information
Extended Description
LESRK45I Eaton: Eaton Edison LESRK fuse, Indicating, High in-rush current motor protection, 45 A, 200 kAIC, Standard, 600 V
Product Name
Eaton Edison LESRK fuse
Catalog Number
LESRK45I
UPC
782634990475
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
UL Listed CSA Certified
Amperage Rating
45 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 → Business Impact → Application: Amperage rating of 45 A paired with a 600 V voltage rating provides reliable motor protection for common industrial motors, reducing fault-related downtime and extending motor life in conveyor and pump systems. Application: Ideal for motor control centers and drives where startup surges are expected. Feature → Business Impact → Application: 200 kAIC interrupt rating enhances fault current handling, improving electrical safety and reducing the risk of cascading failures in switchgear assemblies. Application: Suitable for service entrances and switchboards in heavy electrical environments. Feature → Business Impact → Application: UL Listed and CSA Certified credentials simplify procurement and regulatory compliance, accelerating project approvals. Application: Useful for OEMs and integrators targeting NAV and CE-equivalent safety assurances. Feature → Business Impact → Application: Standard packaging and compatible dimensions (5.5 in length, 1.06 in width, 1.06 in height) enable straightforward installation in existing enclosures. Application: Fits in limited spaces without bespoke mounting. Feature → Business Impact → Application: Special features include high inrush current motor protection, reducing mechanical stress during startup and protecting downstream drives. Application: Beneficial for applications with frequent starts, such as pumps and fans. Feature → Business Impact → Application: Clear documentation and a dedicated specification sheet streamline design reviews and ordering. Application: Helpful for procurement and engineering change management.
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FAQs
LE SRK45I is designed for standard panel integration with its 5.5 in length and 1.06 in x 1.06 in footprint. It ships in Standard packaging and weighs about 2.6 lb, allowing straightforward mounting in typical MCCs or fuse racks without custom fabrication. Ensure proper conductor sizing and enclosure clearance per the datasheet.
The LESRK45I is rated for 45 A, with a 200 kAIC interrupt rating and a 600 V maximum voltage. These ratings support reliable motor protection for industrial drives while maintaining safe fault interruption in standard electrical distributions.
Yes. The LESRK45I features high inrush current motor protection as part of its special features, designed to withstand startup surges and protect motors from damaging fault currents, reducing mechanical stress and downtime during starts.
LESRK45I carries UL Listed and CSA Certified certifications, signaling compliance with recognized electrical safety and performance standards. This simplifies procurement for regulated installations, supports panel approvals, and helps meet project documentation requirements.
The documented warranty for LESRK45I is listed as No warranty. Eaton provides specification sheets and manufacturer resources (such as catalogs and datasheets) to support installation, compatibility checks, and ongoing maintenance planning.