Eaton LENRK20 Fuse - Edison RK1, CSA UL Listed
Part Number: LENRK20
Quick Summary
The Eaton LENRK20 fuse protects motors in industrial equipment by providing reliable overcurrent protection. Manufacturers struggle with nuisance trips from high inrush currents; LENRK20 is designed to handle motor inrush while protecting circuits. This device carries CSA Certified and UL Listed markings, reflecting compliance with safety and reliability standards for industrial panels. Its compact 2-inch form factor and 200 kAIC interrupt rating help you design safer panels while reducing installation time. This business-ready component supports standard RK1 motor protection schemes and fits easily into Edison fuse blocks, accelerating panel upgrades. Designed for motor protection fuses and RK1 applications, it delivers predictable performance with both new builds and retrofit projects.
Product Information
Extended Description
LENRK20 Eaton: Eaton Edison LENRK fuse, Non-indicating, High in-rush current motor protection, 20 A, Class RK1, Non-indicating, 200 kAIC, Standard, 10, 250 V
Product Name
Eaton Edison LENRK fuse
Catalog Number
LENRK20
UPC
782634538349
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
CSA Certified UL Listed
Amperage Rating
20 A
Interrupt rating
200 kAIC
Voltage rating
250 V
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
10
Special features
With minimal time delay
Feature: High interrupt rating of 200 kAIC provides robust short-circuit protection for motor circuits. Benefit: Reduces downtime and equipment damage during faults, enabling smoother production runs in manufacturing and process environments. Application: Suitable for motor starters and drive protection on conveyors and pumps in industrial facilities. Feature: 20 A amperage rating at 250 V supports common medium-sized motors used in fan, pump, and conveyor applications. Benefit: Aligns with standard motor load profiles, enabling accurate coordination with protective relays and contactors to minimize wasteful trips. Application: Control panels and motor control centers in warehouse and facility automation projects. Feature: Class RK1 non-indicating design simplifies panel assembly and lowers diagnostics maintenance. Benefit: Faster commissioning and fewer visual indicators to monitor, reducing wiring errors and field service time. Application: New builds and upgrade projects where compact, dependable protection is required. Feature: Compact 2 inch length and 0.56 inch square footprint fit tight enclosures and standard Edison fuse blocks. Benefit: Maximizes panel density and simplifies installation in limited spaces, delivering cost savings on cabinet real estate. Application: Small to mid-size motor control panels in packaging, material handling, and process environments. Feature: Special feature with minimal time delay provides controlled response to switching transients while protecting motors. Benefit: Improves stability of drive systems and reduces nuisance nuisance trips during normal startup sequences. Application: Inrush-prone motor circuits in CNC tooling and HVAC equipment. Feature: Certifications CSA Certified and UL Listed reinforce compliance with global electrical safety standards. Benefit: Facilitates regulatory acceptance and simplifies procurement for global projects. Application: Industries requiring formal third-party safety approvals for panel assemblies and OEM equipment.
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FAQs
LENRK20 is a Class RK1, Edison-style fuse designed for motor protection in standard RK1 fuse blocks. It fits Eaton Edison fuse holders commonly used in motor control centers and panel assemblies.
The LENRK20 provides a 20 A amperage rating, 250 V voltage rating, and a 200 kAIC interrupt rating, making it suitable for higher inrush motor protection in industrial panels.
Typical applications include motor starters, contactors, and control panels in manufacturing, process industries, conveyors, pumps, and HVAC equipment where reliable motor protection is needed.
LENRK20 is CSA Certified and UL Listed, supporting compliance with safety standards for industrial equipment and panel assemblies.
Its non-indicating design reduces panel clutter and simplifies diagnostics, while the high interrupt rating minimizes downtime from faults. Its compact size also saves enclosure space, improving overall Retrofit or new-build ROI.