Eaton LESRK45 Fuse - Class RK1, 600 V, UL Listed
Part Number: LESRK45
Quick Summary
Eaton LESRK fuse protects motors and feeders from inrush and short-circuit events in industrial drives. Nuisance trips and mis-specified protection can cause costly downtime and disrupt production schedules. CSA Certified and UL Listed provide confidence for North American panel builds, while the 600 V rating supports a wide range of motor applications. This solution integrates with the Edison fuse family to simplify sourcing and stocking, and its Class RK1 design aligns with common motor protection standards. By combining robust protection with straightforward maintenance, this fuse helps engineers optimize uptime, reduce spare-parts inventory, and maintain regulatory compliance across facilities.
Product Information
Extended Description
LESRK45 Eaton: Eaton Edison LESRK fuse, Non-indicating, High in-rush current motor protection, 45 A, Class RK1, 200 kAIC, Standard, 600 V
Product Name
Eaton Edison LESRK fuse
Catalog Number
LESRK45
UPC
782634548393
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
45 A
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
Feature: 45 A amperage rating, 200 kAIC interrupt rating, and 600 V rating. Business Impact: ensures rapid disconnection of faulty currents with ample headroom for startup inrush, protecting motors and drives while minimizing downtime. Application: suitable for high-inrush industrial motors in conveyors, pumps, and HVAC drives. Feature: Class RK1, non-indicating design. Business Impact: simplifies panel wiring and reduces maintenance checks while providing reliable protection; non-indicating design lowers risk of misinterpretation in harsh environments. Application: common motor control centers and replacement in legacy RK1 installations. Feature: UL Listed and CSA Certified. Business Impact: streamlines compliance documentation, approvals, and code conformity for North American projects; reduces risk during audits. Application: panel builds in regulated facilities across manufacturing and process industries. Feature: Edison fuse family compatibility. Business Impact: simplifies procurement, stocking, and maintenance with a single family—lower total cost of ownership. Application: retrofit and new builds using standard Edison RK1 protection in industrial enclosures. Feature: Compact packaging and dimensions (5.5 in L x 1.06 in W x 1.06 in H). Business Impact: easier installation in tight switchgear and control panels, minimizes enclosure modification. Application: panel retrofits and space-constrained installations in machines and line equipment.
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FAQs
Yes. LESRK45 is designed for Edison-style fuse blocks and RK1-rated panels. When replacing, verify enclosure openings, terminal access, and ensure the correct amperage (45 A) and voltage rating (600 V). Use the proper fuse clips to guarantee secure connections and reliable disconnection during faults.
LESRK45 provides 45 A amperage, 600 V voltage rating, and a 200 kAIC interrupt capacity, with a Class RK1, non-indicating fuse design. It is UL Listed and CSA Certified, ensuring compliance with North American safety and performance standards for motor protection in industrial drives.
LESRK45 is ideal for high-inrush motor protection in conveyors, pumps, and HVAC drives. The non-indicating RK1 fuse design supports harsh environments, reducing maintenance while delivering reliable startup protection and minimizing nuisance trips during motor start-ups.
LESRK45 is UL Listed and CSA Certified, indicating conformance with recognized safety and performance standards in North America. These certifications simplify panel qualification, support regulatory compliance, and facilitate procurement for regulated industries.
Using LESRK45 reduces downtime by delivering dependable protection during motor startup and fault events. Its non-indicating design minimizes visual inspection needs in dusty or harsh settings, while the 200 kAIC rating provides a safety margin for fault currents, improving overall equipment reliability and service life.