Eaton LENRK40I Fuse - 40 A, 200 kAIC, CSA Certified UL Listed
Part Number: LENRK40I
Quick Summary
Eaton LENRK40I fuse protects motors by interrupting faults during startup and stall conditions in industrial applications. Engineers frequently confront damaging inrush currents and nuisance trips that disrupt production and shorten motor life. These certifications—CSA Certified and UL Listed—back the LENRK40I’s suitability for critical motor protection in safety-conscious facilities. With a compact, robust design and reliable electrical ratings, this fuse delivers proven reliability, reduces downtime, and supports compliant, efficient motor circuits in evolving industrial landscapes.
Product Information
Extended Description
LENRK40I Eaton: Eaton Edison LENRK fuse, Indicating, High in-rush current motor protection, 40 A, 200 kAIC, Standard, 10, 250 V
Product Name
Eaton Edison LENRK fuse
Catalog Number
LENRK40I
UPC
782634990123
Product Length/Depth
3 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
Not Applicable
Certifications
CSA Certified UL Listed
Amperage Rating
40 A
Interrupt rating
200 kAIC
Voltage rating
250 V
Packaging type
Standard
Fuse indicator
Non-indicating
Quantity
10
Special features
70/30 brass end cap
Feature → Business Impact → Application: The LENRK40I employs a non-indicating fuse indicator, which simplifies wiring and reduces misdiagnosis in panel layouts, while maintaining clear protection of 40 A circuits in demanding motor drives. This translates to faster commissioning and fewer field faults during start-up, boosting overall line efficiency in manufacturing environments. Feature → Business Impact → Application: A high interrupt rating of 200 kAIC provides robust fault clearance for large inrush events common in AC motors, minimizing collateral damage to downstream protection and helping keep critical processes online. Feature → Business Impact → Application: With a 250 V rating and standard 3 in length and compact 0.81 in dimensions, installation is straightforward in crowded control panels, enabling scalable protection across multiple motor circuits. Feature → Business Impact → Application: The 70/30 brass end caps reduce contact resistance and improve connection durability, supporting long-term reliability in dirty or vibration-prone installations. Feature → Business Impact → Application: Packaging of 10 units per pack and standard packaging type streamline stocking, maintenance planning, and procurement cycles for OEMs and service teams. Feature → Business Impact → Application: The LENRK40I's compatibility with Edison line catalogs and Eaton specification sheets ensures consistent sourcing and documented compliance across plant-wide motor protection deployments.
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FAQs
LENRK40I is designed for industrial motor protection within control panels and motor control centers. It supports 40 A circuits, 250 V operation, and a 200 kAIC interrupt rating, making it suitable for high inrush motor starts. Its non-indicating fuse indicator simplifies wiring, while CSA Certified UL Listed certifications confirm compliance for routine industrial installations.
LENRK40I provides a 200 kAIC interrupt rating, enabling rapid and reliable fault clearance during motor startup surges. This protects both motors and downstream protection schemes from damaging fault currents, reducing trip-related downtime. Designed for 250 V systems, it offers dependable performance in typical AC motor applications and variable-speed drives.
Yes, LENRK40I is rated for 250 V circuits. It is packaged in standard units with 10 fuses per pack, designed for straightforward stocking and replacement. The physical dimensions—3 in length with 0.81 in width and height—facilitate easy mounting in compact panels and shared bus bars in motor protection assemblies.
LENRK40I carries CSA Certified and UL Listed certifications, signaling adherence to stringent electrical protection standards. For facilities requiring documented compliance, these certifications support safe installation, qualification for regulatory audits, and easier procurement with verified supplier qualification. This is particularly important in regulated industries and OEM supply chains.
Install LENRK40I in accordance with Eaton’s specifications, using the 70/30 brass end caps for durable connections and ensuring secure mounting within the motor control circuit. Verify correct catalog number LENRK40I, maintain proper torque on end caps, and confirm 40 A protection and 250 V rating match the drive and motor requirements. Stock is 10 per pack for efficient maintenance planning.