Eaton NCLR20 Fuse - Class RK1, 250 V, 200 kAIC
Part Number: NCLR20
Quick Summary
Eaton NCLR20 fuse protects electrical circuits by interrupting overcurrent in industrial panels and motor control centers. For engineers, unexpected trips and slow reboot times can derail production; this fuse is designed for fast replacement and predictable protection in demanding environments. It carries CE marking, CSA certification, and UL listing to meet global safety standards. With a compact 2 in length, glass-melamine tube, and standard packaging, it enables efficient stocking and straightforward retrofits across the Edison Bussmann lineup, delivering reliability where it matters most.
Product Information
Extended Description
NCLR20 Eaton: Eaton Edison NCLR fuse, 20 A, -40° to 85°C, Class RK1, Non-indicating, 200 kAIC, Glass melamine tube, Standard, 10, 250 V
Product Name
Eaton Edison NCLR fuse
Catalog Number
NCLR20
UPC
782634407058
Product Length/Depth
2 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
CE Marked
Certifications
CSA Certified UL Listed
Amperage Rating
20 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
10
20 A at 250 V with a 200 kAIC interrupt rating provides robust protection for highly loaded control circuits, reducing downtime and extending equipment life. This feature translates to tangible business impact: fewer nuisance trips, faster fault clearance, and easier root-cause analysis in panel assemblies. The Class RK1 designation supports predictable fuse behavior in protection schemes, making it easier to design compliant, code-ready panels for industrial automation applications.
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FAQs
Installing the NCLR20 fuse involves selecting the Edison NCLR compatible holder, confirming a 20 A rating and 250 V maximum, then inserting the glass-melamine cartridge into the fuse mount until fully seated. It fits standard Edison Bussmann configurations and ships in standard packaging (quantity 10), simplifying procurement and replacement workflows in control panels and MCCs.
Key ratings are: 20 A amperage, 250 V voltage, and a 200 kAIC interrupt rating. These values determine the fuse’s ability to protect circuits under short-circuit conditions and to clear faults quickly without nuisance tripping. The RK1 class provides predictable fuse response in typical protection schemes used in industrial automation.
Yes, the NCLR20 is suitable for MCCs and industrial automation panels where robust short-circuit protection is needed. Its 200 kAIC interrupt rating supports high fault currents, and CE/UL/CSA certifications help ensure compliance in both European and North American installations. The compact 2 in length facilitates retrofit projects and space-constrained panels.
The NCLR20 is CE Marked, CSA Certified, and UL Listed. These certifications are critical for regulatory compliance, ensuring the fuse meets safety, performance, and interoperability standards in diverse regions. For procurement and audits, the certifications simplify vendor qualification and help maintain traceability across an industrial ecosystem.
Maintenance considerations include monitoring for fatigue and timely replacement after faults, with the non-indicating design simplifying visual checks. ROI is driven by reduced downtime from reliable protection, standardized packaging for easy stocking, and compatibility with existing Edison series to minimize retrofits and inventory complexity.