Eaton LENRK125 Fuse - Class RK1, 125 A, 200 kAIC
Part Number: LENRK125
Quick Summary
LENRK125 fuse provides high in-rush motor protection for control gear and industrial drives. It helps engineers avoid nuisance trips during motor start-up and simplifies cabinet wiring with electrically isolated end caps. The device carries UL Listed, CSA Certified, and RoHS Compliant status, ensuring regulatory alignment across North America and global supply chains. By fitting Eaton’s Edison LENRK series, buyers gain reliable protection with straightforward procurement, improving uptime and enabling compliant, cost-effective maintenance in electrical protection and circuit control applications.
Product Information
Extended Description
LENRK125 Eaton: Eaton Edison LENRK fuse, Non-indicating, High in-rush current motor protection, Electrically isolated end caps, 125 A, Class RK1, 200 kAIC, Standard, 1, 250 V, 125 Vdc
Product Name
Eaton Edison LENRK fuse
Catalog Number
LENRK125
UPC
782634538479
Product Length/Depth
7.13 in
Product Height
1.61 in
Product Width
1.61 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
RoHS Compliant
Certifications
CSA Certified UL Listed
Amperage Rating
125 A
Interrupt rating
200 kAIC
Voltage rating
250 Vac, 125 Vdc
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
1
Special features
Non-indicating, High in-rush current motor protection
Feature → Business Impact → Application: The LENRK125 fuse is non-indicating, which minimizes visual nuisance indicators during routine operations, reducing maintenance time and panel fatigue while preserving motor protection. This translates to lower downtime and predictable performance in drive systems across manufacturing lines. Application: motor control centers and conveyor systems benefit from cleaner panels and fewer false trips, enhancing overall line efficiency. Feature → Business Impact → Application: With a 125 A amperage rating and 200 kAIC interrupt rating, the fuse delivers robust short-circuit protection, limiting damage to starters and downstream components. Application: heavy inrush loads in fans, pumps, and similar motor-driven equipment. Feature → Business Impact → Application: Voltage ratings of 250 Vac and 125 Vdc ensure compatibility with mixed AC/DC control circuits, enabling simplified panel design and safer interconnections. Application: standardized motor panels in automation cells. Feature → Business Impact → Application: Electrically isolated end caps improve safety during maintenance, reducing arcing risk and simplifying field replacements. Application: retrofit projects and new installations where serviceability matters. Feature → Business Impact → Application: RoHS compliance, CSA certified, and UL listed provide regulatory assurance and supplier confidence, smoothing procurement and installation in regulated industries. Application: OEM and contract manufacturers pursuing compliant, traceable protection for motor circuits.
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FAQs
LENRK125 is a non-indicating Edison fuse designed for motor protection in industrial electrical protection and circuit control. It is commonly employed in motor control centers, drive systems, and control panels where high inrush presents a risk. Its RK1 class and 125 A rating make it suitable for standard motor circuits with reliable short-circuit protection.
Yes. LENRK125 provides a 125 A amperage rating and a 200 kAIC interrupt rating, meeting common medium-duty motor protection needs. This combination supports safe interruption of short-circuit events while minimizing equipment damage and downtime in industrial environments.
LENRK125 is rated for 250 Vac and 125 Vdc, enabling use across mixed AC and DC control circuits. It is packaged as standard, single-unit quantity per package, simplifying stock management and replacement in serviceable motor protection applications.
LENRK125 carries UL Listed and CSA Certified markings along with RoHS compliance. These certifications indicate conformance to North American electrical safety standards and environmental regulations, reducing procurement risk and easing compliance for regulated industries.
By reducing nuisance trips during motor start-up, enabling quicker replacements thanks to isolated end caps, and providing robust short-circuit protection, LENRK125 lowers downtime and maintenance costs. Its RoHS compliance and recognized certifications also streamline supplier qualification and inventory management for automotive, packaging, and general manufacturing sectors.