Eaton LESRK3.2 fuse - Class RK1, Industrial UL Listed
Part Number: LESRK3.2
Quick Summary
Eaton LESRK3.2 fuse provides motor circuit protection for industrial drives and control panels. Engineers often struggle with nuisance trips during startup when fuse ratings are misapplied, leading to unplanned downtime. This UL Listed and CSA Certified device delivers reliable protection with Class RK1 coordination, helping you meet safety standards while minimizing fault-related outages. The non-indicating design reduces maintenance checks, and its 3.2 A rating is well suited for controlled motor loads in 600 V systems. Aligning with Eaton Edison fuses also streamlines sourcing and serviceability across multi-site operations.
Product Information
Extended Description
LESRK3.2 Eaton: Eaton Edison LESRK fuse, Non-indicating, High in-rush current motor protection, 3.2 A, Class RK1, 200 kAIC, Standard, 600 V
Product Name
Eaton Edison LESRK fuse
Catalog Number
LESRK3.2
UPC
782634548195
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
3.2 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: 3.2 A amperage rating provides targeted protection for motor loads. Business Impact: Limits fuse blows to genuine faults, reducing downtime and maintenance costs. Application: Ideal for 600 V motor circuits in machine controls and drives. Feature: 200 kAIC interrupt rating offers high fault current tolerance. Business Impact: Enhances system safety and protects downstream components during short circuits. Application: Suitable for equipment rows with elevated fault currents in manufacturing lines. Feature: Class RK1 classification enables selective coordination with upstream protection. Business Impact: Minimizes unnecessary outages and simplifies circuit design. Application: Common in motor control centers and panelboards for dependable protection. Feature: Non-indicating fuse design lowers visual maintenance checks and potential misreadings. Business Impact: Improves reliability of fault indication in crowded enclosures. Application: Useful in dense control panels where indicators may distract technicians. Feature: 600 V electrical rating and standard packaging support quick integration. Business Impact: Reduces installation time and ensures compatibility with standard Edison fuse blocks. Application: Fits 5 in length, 0.81 in width and 0.81 in height configurations for compact assemblies. Insight: As part of the Eaton Edison line, this fuse provides predictable performance with familiar form factors, helping procurement teams simplify cataloging and spare part planning.
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FAQs
Yes. The LESRK3.2 is designed for standard Edison fuse blocks used in 600 V motor circuits. Its 5 in length, 0.81 in width, and 0.81 in height fit common enclosure footprints, and the Class RK1 rating supports selective protection. When replacing, ensure the holder and bus connections match the catalog number LESRK3.2 for proper locking and electrical contact.
The LESRK3.2 is rated at 3.2 A, with a 200 kAIC interrupt rating and a 600 V maximum voltage. It is a Class RK1 fuse, non-indicating, and CSA Certified with UL Listed safety compliance. These specs enable reliable motor protection while maintaining compatibility with standard low-impedance motor circuits.
Best suited for motor protection in industrial drives, machine control panels, and conveyors operating at 600 V. The high interrupt rating supports large fault currents, while the 3.2 A rating protects motor windings and starters from overload. The non-indicating design is advantageous in dense control panels where visual indicators may complicate maintenance.
LESRK3.2 is UL Listed and CSA Certified, confirming compliance with major global electrical safety standards. These certifications matter for regulatory approvals, OEM qualification, and customer confidence, reducing qualification time for new equipment and ensuring traceable protection for critical machinery.
The fuse is non-indicating, so maintenance focuses on routine visual inspections and periodic replacement per service intervals, not indicator-driven checks. ROI is improved by reduced downtime due to selective RK1 protection and high fault current tolerance (200 kAIC), which lowers the risk of cascading failures and costly repairs in 600 V motor systems.