Eaton NCLR450 Fuse - Class RK1, 200 kAIC, 250 V
Part Number: NCLR450
Quick Summary
Eaton NCLR450 fuse protects electrical circuits in industrial control panels. The challenge many maintenance teams face is unplanned outages caused by overcurrent events that disrupt production lines. This Edison fuse carries UL Listed, CSA Certified, and CE Marked certifications, ensuring safety and reliability across global installations. With a Class RK1 designation and a 200 kAIC interrupt rating, it delivers dependable protection for standard systems while aiding compliance. Its glass-melamine construction and wide operating temperature range withstand harsh environments, reducing nuisance replacements. Choosing this fuse provides a compact, standard part that fits existing Edison holders and streamlines procurement across multiple sites, delivering real value in maintenance budgets and lifecycle costs.
Product Information
Extended Description
NCLR450 Eaton: Eaton Edison NCLR fuse, 450 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
NCLR450
UPC
782634407263
Product Length/Depth
10.38 in
Product Height
2.88 in
Product Width
2.88 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
CE Marked
Certifications
UL Listed CSA Certified
Amperage Rating
450 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: 450 A amperage rating enables protection of high-current feeders and machine loops without nuisance trips. Business Impact: Reduces unplanned outages and safeguards expensive equipment, lowering maintenance costs. Application: Ideal for panel boards, switchgear, and large motors in manufacturing lines. Feature: 200 kAIC interrupt rating enhances fault tolerance, minimizing arc exposure and boosting personnel safety. Application: Main feeders and critical loads in industrial plants. Feature: 250 V voltage rating supports common control circuits and device protection across standard plant equipment. Business Impact: Simplifies procurement and compatibility with existing 250 V systems. Feature: Class RK1, Non-indicating design allows quick swaps in RK1-compatible assemblies with minimal panel downtime. Application: Replacement in established RK1 fuse zones. Feature: Glass melamine tube construction and a wide operating temperature range (-40° to 85°C) deliver reliable performance in harsh environments. Business Impact: Extends service life in rugged factory floors and outdoor installations, reducing maintenance intervals. Feature: Standard packaging and a 1-piece quantity simplify stocking and reorder workflows for multiple sites. Application: Streamlined procurement for OEMs and multi-site operations. Certifications and compliance: UL Listed, CSA Certified, CE Marked ensure global acceptance and traceability, supporting audits and regulatory requirements.
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FAQs
NCLR450 is designed to drop into standard Edison fuse holders used in Bussmann/Edison protection panels. Verify that the holder matches the 10.38 in fuse length, supports a 450 A interrupt rating, and accommodates 250 V nominal operating voltage. Use proper clips and confirm RK1 classification to prevent misfit and ensure reliable replacement.
The NCLR450 provides a 450 A amperage rating, a 200 kAIC interrupt rating, and a 250 V voltage rating. It belongs to Class RK1 and is non-indicating. The fuse is built with a glass-melamine tube and operates from -40°C to 85°C, making it suitable for a wide range of industrial environments.
Yes. The NCLR450 operates from -40°C to 85°C and uses a glass-melamine tube designed for mechanical strength and thermal resilience. This makes it suitable for harsh factory floor conditions and outdoor installations where ambient temperatures can vary significantly, helping to maintain protection without frequent replacements.
The NCLR450 is UL Listed, CSA Certified, and CE Marked, providing recognized safety and performance validation across North American and international markets. These certifications simplify audits, meet regulatory requirements, and support inter-company procurement across global sites.
The NCLR450 enables reliable protection with a high interrupt rating, reducing the likelihood of arc-related damage and downtime. Its standard packaging and compatibility with common Edison holders simplify stocking, lowering spare parts complexity. Overall, the fuse contributes to lower maintenance labor costs and improved line uptime.