Eaton KRP-CL-450 Fuse - Class L, 450 A, 200 kAIC at 600 Vac
Part Number: KRP-CL-450
Quick Summary
The Eaton Bussmann series KRP-CL-450 fuse is a high-current, time-delay protection device designed for industrial power circuits. In practice, engineers face nuisance trips and insufficient interruption ratings that disrupt uptime; this fuse mitigates those issues by balancing selectivity with robust fault current handling. It meets RoHS compliance and is constructed as a Class L, current-limiting fuse rated for 450 A with a 200 kAIC interrupt rating at 600 Vac, supporting reliable protection in motor feeders and power distribution. By integrating easily into standard Bussmann holders and panels, it delivers rapid replacement, predictable coordination, and improved maintenance efficiency for manufacturing facilities and automation systems.
Product Information
Extended Description
KRP-CL-450 Eaton: Eaton Bussmann Series Class L fuse, KRP-CL, time-delay, current limiting fuse, 450 A, Interrupting rating of 200 kA at 600 Vac
Product Name
Eaton Bussmann series KRP-CL fuse
Catalog Number
KRP-CL-450
UPC
051712605731
Product Length/Depth
8.63 in
Product Height
2.78 in
Product Width
2.78 in
Product Weight
3.26 lb
Warranty
Not Applicable
Compliances
RoHS Compliant
Amperage Rating
450 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Packaging type
Standard
Class
Class L
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KRP-CL Class L fuse data sheet no.1016
Feature → Business Impact → Application: Time-delay, current-limiting Class L design allows normal inrush and short-term surges without nuisance tripping, improving line availability and reducing unnecessary maintenance interventions in motor drives and feeders. This translates into measurable uptime gains and smoother startup sequences in production lines. Application: motor control centers and feeder protection where inrush currents are common. Feature → Business Impact → Application: 450 A amperage rating with a 200 kAIC interrupt rating at 600 Vac provides strong fault-current handling, minimizing arc energy and protecting downstream equipment in HVAC systems, presses, and conveyor networks. Application: high-current industrial feeders and critical power paths. Feature → Business Impact → Application: 600 V rating with blade-end x blade-end connections enables quick, secure installation in standard Bussmann fuse holders, reducing commissioning time and panel footprint. Application: panel builders seeking fast deployment and consistent performance. Feature → Business Impact → Application: RoHS Compliant construction supports regulatory compliance and sustainability goals, easing procurement when green or restricted-material policies apply. Application: regulated manufacturing environments. Feature → Business Impact → Application: Class L architecture supports selective coordination, delivering targeted protection and minimizing outage impact, which lowers total cost of ownership. Application: energy-conscious facilities and large distributed control systems.
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FAQs
The KRP-CL-450 uses blade-end x blade-end connections designed for standard Bussmann fuse holders. To replace, power down, verify wiring is de-energized, remove the old fuse, insert the new KRP-CL-450 until seated, and re-energize. Confirm the panel's rating matches 600 Vac and 450 A, and verify RoHS compliance in your procurement records.
A 200 kAIC interrupt rating at 600 Vac indicates the fuse can interrupt a high-energy fault without sustaining excessive damage, protecting downstream equipment. The 450 A nominal rating handles continuous load while tolerating short inrush, reducing nuisance trips. Together, these specs support safer operation in high-demand motor feeders and power distribution networks.
Yes. The KRP-CL-450 is a Class L, time-delay, current-limiting fuse designed for motor feeders and distribution panels. Its high interrupt rating and inrush tolerance make it well-suited for motor drives, conveyors, and HVAC feeders where selective coordination and reliable protection are essential.
The KRP-CL-450 is RoHS compliant, aligning with restricted-material policies common in regulated manufacturing environments. While the data highlights RoHS, users should refer to the data sheet for any additional regional standards or listings (for example, CE or UL recognition) as applicable to their jurisdiction and application.
By reducing nuisance trips and enabling precise selective coordination, the KRP-CL-450 lowers unplanned downtime and service visits. Its robust fault-current handling protects downstream equipment, potentially extending component life and reducing replacement costs in high-energy manufacturing lines and critical power paths.