Eaton LENRK90 Fuse - Class RK1
Part Number: LENRK90
Quick Summary
The Eaton LENRK90 fuse protects high-inrush motors in demanding industrial drives. Engineers often wrestle with nuisance trips and inconsistent startup protection that disrupts production. It carries CSA Certified and UL Listed certifications with RoHS compliance to meet global safety and environmental standards. Designed for 90 A, 200 kAIC, and both 250 Vac and 125 Vdc systems, this standard-pack fuse provides reliable protection with minimal maintenance. The non-indicating design reduces mounting complexity, while electrically isolated end caps simplify safer handling and retrofits. By integrating Eaton’s Edison LENRK family into existing panels, you gain faster part replacement, lower spare parts costs, and improved compliance across your electric protection strategy.
Product Information
Extended Description
LENRK90 Eaton: Eaton Edison LENRK fuse, Non-indicating, High in-rush current motor protection, Electrically isolated end caps, 90 A, Class RK1, 200 kAIC, Standard, 5, 250 V, 125 Vdc
Product Name
Eaton Edison LENRK fuse
Catalog Number
LENRK90
UPC
782634538448
Product Length/Depth
5.88 in
Product Height
1.1 in
Product Width
1.1 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
RoHS Compliant
Certifications
CSA Certified UL Listed
Amperage Rating
90 A
Interrupt rating
200 kAIC
Voltage rating
250 Vac, 125 Vdc
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
5
Special features
Non-indicating, High in-rush current motor protection
Feature → Business Impact → Application: Non-indicating design reduces visual indicators and lowers panel cost, while maintaining robust protection for motor circuits; this supports simpler panel layouts and fewer false alarms in automated lines. Feature → High in-rush current motor protection → Application: Ideal for equipment with brief startup surges, such as pumps and conveyors, minimizing nuisance trips and downtime. Feature → Electrically isolated end caps → Application: Safer handling during installation and maintenance, easing retrofits in crowded control panels. Feature → Class RK1 with 90 A rating and 200 kAIC interrupt rating → Application: Broad compatibility with standard motor protection schemes and high fault-current environments in industrial facilities. Feature → RoHS compliant, UL Listed, CSA certified → Application: Supports regulatory compliance and safer procurement for global customers, enabling smoother audits and sourcing. Feature → Standard packaging of 5 units → Application: Inventory efficiency for OEMs and service teams, reducing stocking costs and improving uptime during maintenance windows.
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FAQs
Installation is performed in standard fuse holders designed for LENRK90. With a 90 A rating and 200 kAIC interrupt capability, ensure the mounting area is clean and aligned with end caps that are electrically isolated for safe handling. The fuse ships in packages of five for convenient stocking and rapid replenishment in production environments.
LENRK90 is designed to withstand motor startup surges without nuisance tripping due to its high interrupt rating of 200 kAIC. This means it can safely interrupt large fault currents in typical industrial power distributions, preserving equipment and reducing unplanned downtime during motor start-up.
Yes. LENRK90 supports both 250 Vac and 125 Vdc ratings, enabling safe use across mixed-voltage motor circuits. This versatility helps maintain uniform protection across diverse drives and minimizes the need for multiple fuse types in the same panel.
LENRK90 is CSA Certified and UL Listed, with RoHS compliance. These certifications confirm safety, reliability, and environmental responsibility, simplifying procurement for global facilities and supporting regulatory audits.
A five-pack provides ready-to-install protection for common motor circuits, reducing downtime waiting for parts and lowering per-unit shipping costs. OEMs and service teams benefit from standardized spares, faster replacements, and improved uptime across production lines.