Eaton NCLR300 Fuse - Class RK1, 200 kAIC, 250V Rated
Part Number: NCLR300
Quick Summary
NCLR300 Eaton Edison fuse protects high-current control circuits in industrial panels and MCCs. Engineered for challenging environments, it minimizes nuisance trips and diagnostic downtime with a rugged glass-melamine construction and a wide operating window. The device meets critical safety and performance standards, proudly CE Marked, UL Listed, and CSA Certified, ensuring regulatory compliance across your sites. Rated at 300 A and 250 V with a 200 kAIC interrupt capacity, this Class RK1 fuse delivers reliable protection for feeders, motors, and control circuits. Its compact form and standard packaging simplify retrofits and replacements, supporting uptime in manufacturing, process, and material-handling applications.
Product Information
Extended Description
NCLR300 Eaton: Eaton Edison NCLR fuse, 300 A, -40° to 85°C, Class RK1, Non-indicating, 200 kAIC, Glass melamine tube, Standard, 1, 250 V
Product Name
Eaton Edison NCLR fuse
Catalog Number
NCLR300
UPC
782634407232
Product Length/Depth
8.63 in
Product Height
2.38 in
Product Width
2.38 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
CE Marked
Certifications
CSA Certified UL Listed
Amperage Rating
300 A
Interrupt rating
200 kAIC
Voltage rating
250 V
Material
Glass melamine tube
Operating Temperature
-40° to 85°C
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Quantity
1
Feature → Business Impact → Application: The NCLR300 uses a 300 A amperage rating and 250 V voltage rating with a 200 kAIC interrupt capacity, enabling robust protection for high‑current control circuits in panels and MCCs. This translates to reduced fault propagation, quicker recovery after faults, and lower risk of equipment damage in manufacturing environments. Application: ideal for feeders and motor-control circuits in process plants, automotive facilities, and material handling lines. Feature → Business Impact → Application: Class RK1 construction provides standard protection characteristics suitable for general purpose fusing, improving procurement efficiency and compatibility with existing RK1 fuse blocks. Application: retrofit projects and new installations where predictable, regulatory-compliant protection is required. Feature → Business Impact → Application: Non-indicating fuse indicator minimizes panel clutter, while CE Marked, UL Listed, and CSA Certified compliance reduces risk during inspections and cross-border installations. Application: multinational facilities seeking uniform safety standards. Feature → Business Impact → Application: Glass‑melamine tube construction offers good dielectric strength and thermal stability, enhancing reliability across -40° to 85°C ambient temperatures. Application: harsh industrial environments with wide temperature swings. Feature → Business Impact → Application: Standard packaging and 8.63 in length with 2.38 in width/height simplify replacements and inventory management. Application: rapid maintenance and reduced downtime during outages in control panels and MCCs.
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FAQs
NCLR300 is a Class RK1 fuse with standard RK1 packaging, designed to fit RK1 fuse blocks and typical Eaton panel assemblies. Always verify holder compatibility from the Eaton spec sheet and confirm mounting dimensions (8.63 in length) match your enclosure layout.
The NCLR300 is rated for 300 A, 250 V with an interrupt rating of 200 kAIC, making it suitable for high‑current protection in control circuits and feeders in industrial settings.
Yes. Its 300 A rating, 200 kAIC interrupt capacity, and Class RK1 characteristics support protection of motors, feeders, and associated control circuitry within motor control centers and similar installations.
NCLR300 is CE marked, UL Listed, and CSA Certified, providing recognized safety and performance assurances for wide‑ranging regulatory requirements across multiple regions.
There is no warranty stated for this fuse. Because it is non‑indicating, plan for preventive replacement based on trip history and equipment load. Stock sufficient RK1 compatible fuses to minimize downtime during outages.