Eaton LENRK4 Fuse - UL Listed CSA Certified
Part Number: LENRK4
Quick Summary
The Eaton Edison LENRK fuse protects motors with high inrush current in electrical control panels and MCCs. Choosing a fuse that tolerates startup spikes without nuisance trips can prevent costly downtime. UL Listed and CSA Certified, with 200 kAIC interrupt rating and Class RK1 construction, provides reliable protection. This 4 A, 250 V device aligns with standard motor protection needs while easing procurement and maintenance. Engineers appreciate the compact 2-inch body and compatibility with standard mounts, enabling quick swaps in panel densities. With Eaton's LENRK4, you gain predictable protection, reduced service calls, and a clear path to scalable motor protection strategies.
Product Information
Extended Description
LENRK4 Eaton: Eaton Edison LENRK fuse, Non-indicating, High in-rush current motor protection, 4 A, Class RK1, Non-indicating, 200 kAIC, Standard, 10, 250 V
Product Name
Eaton Edison LENRK fuse
Catalog Number
LENRK4
UPC
782634538219
Product Length/Depth
2 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
Not Applicable
Certifications
UL Listed CSA Certified
Amperage Rating
4 A
Interrupt rating
200 kAIC
Voltage rating
250 V
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
10
Special features
Non-indicating, High in-rush current motor protection
Feature: Class RK1, non-indicating design, high inrush protection. Business Impact: Robust short-circuit protection for motors while maintaining clean panel aesthetics, reducing time spent on fault diagnosis. Application: Ideal for standard motors in control panels and MCCs where quick, reliable swaps are needed. Feature: Amperage rating of 4 A with 250 V and an interrupt rating of 200 kAIC. Business Impact: Precise overcurrent protection that minimizes arc risk and equipment damage, extending motor life and lowering maintenance costs. Application: Suitable for small to medium motors in conveyors, machine tools, and process lines requiring reliable protection. Feature: Certifications and compliance (UL Listed, CSA Certified). Business Impact: Ensures regulatory alignment and easier supplier audits, supporting safe procurement and installation practices. Application: Essential for industries with rigorous safety standards and end-customer validation. Feature: Non-indicating indicator and compact 2 in length. Business Impact: Simple visual inspection without panel clutter, supports quick replacement and minimal downtime. Application: Works well in densely packed control cabinets where space is at a premium. Feature: Packaging and quantity (Standard packaging, 10 per pack). Business Impact: Stock optimization reduces procurement lead times and inventory carrying costs. Application: Helpful for maintenance warehouses and OEM panel shops requiring readily available spares.
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FAQs
LENRK4 fits standard RK1 fuse applications in control panels and MCCs. It measures 2 inches in length and 0.56 inches in width/height, enabling easy swaps in crowded enclosures. Ensure the fuse holder is compatible with non-indicating, standard cartridge fuses and confirm UL Listed CSA Certified status for compliance. Maintain spare LENRK4s in a 10-piece pack to support quick replacements during scheduled maintenance.
LENRK4 is designed for high inrush protection with a 200 kAIC interrupt rating, allowing it to withstand brief startup spikes without tripping unnecessarily. The 4 A rating at 250 V provides precise protection for small to medium motors. This combination reduces nuisance trips, supports uptime, and minimizes unplanned maintenance while protecting windings from fault currents.
Yes, LENRK4 is rated for 250 V and 4 A. It is best suited for compact to mid-size motors used in conveyors, machine tools, pumps, and fans operating in electrical panels. Its RK1 class and non-indicating design simplify integration into standard motor protection schemes, while UL Listed and CSA Certified credentials support compliance across industries.
LENRK4 carries UL Listed and CSA Certified markings, signaling proven safety and regulatory conformity. These certifications ease supplier qualification, support quality assurance processes, and help meet industry and customer requirements for electrical protection components. This assurance is especially valuable in regulated environments and when documenting compliance for audits or project approvals.
Using LENRK4 can lower maintenance costs by reducing nuisance trips and enabling faster fuse replacements. Its compact form and standard packaging improve stocking efficiency, while its reliability minimizes unplanned downtime. For OEMs and panel shops, the 10-pack packaging and quick swap capability translate into shorter maintenance windows and more predictable project timelines.