Eaton KRP-C-4500SP Fuse - Class L, 4500 A, 300 kAIC
Part Number: KRP-C-4500SP
Quick Summary
The Eaton KRP-C-4500SP fuse is a Class L time-delay current-limiting device designed to protect power distribution circuits in industrial control panels. Engineers often struggle with nuisance trips and slow protection response that disrupt uptime and drive maintenance costs. This product is CE marked and RoHS compliant, reflecting stringent safety and environmental standards, and it uses a Class L design to deliver selective protection in crowded panels. For panel builders and OEMs, the KRP-C-4500SP simplifies sourcing within the Bussmann Series and supports bolted blade end connections for robust field installation. By combining high interrupt capability with predictable coordination, it delivers reliability, helps reduce spare-part inventory, and supports compliant, safe deployments.
Product Information
Extended Description
KRP-C-4500SP Eaton: Eaton Bussmann Series Class L fuse, KRP-C, time-delay, current limiting fuse, 4500 A, interrupting rating of 300 kA at 600 Vac
Product Name
Eaton Bussmann series KRP-C fuse
Catalog Number
KRP-C-4500SP
UPC
051712605458
Product Length/Depth
10.75 in
Product Height
7.17 in
Product Width
7.17 in
Product Weight
0.001 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
4500 A
Interrupt rating
300 kAIC at 600 Vac
Response time
4 sec at 500%
Voltage rating
600 V
Packaging type
Standard
Class
Class L
Connection
Bolted blade end x bolted blade end
Fuse indicator
Non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KRP-C 2001 to 6000A Class L fuse data sheet No. 1009
Feature: Class L time-delay current-limiting fuse provides selective coordination for large feeders; Business Impact: reduces nuisance trips and limits fault energy, lowering arc-flash risk and downtime; Application: main feeders in MCCs and industrial control panels. Feature: Interrupt rating of 300 kAIC at 600 V; Business Impact: robust fault-current handling protects upstream equipment and sustains system availability; Application: high-energy distribution circuits in manufacturing facilities. Feature: Bolted blade end connections; Business Impact: secure, vibration-resistant installations with durable current paths; Application: equipment mounted in harsh or vibrational environments. Feature: RoHS compliance and CE marking; Business Impact: streamlines regulatory approvals and enables global deployment; Application: European and multinational facilities. Feature: Physical footprint and packaging (10.75 in L, 7.17 in W, 7.17 in H; Standard packaging); Business Impact: predictable integration into panel layouts and simple replacement; Application: OEM builds and retrofits. Feature: Response time 4 seconds at 500%; Business Impact: faster fault clearance for critical loads; Application: applications with tight downtime targets and high surge conditions.
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FAQs
Yes. The KRP-C-4500SP uses bolted blade end terminals, providing a secure, vibration-resistant connection ideal for harsh industrial environments and high-vibration panels. This design simplifies installation and ensures reliable electrical contact over the life of the fuse.
The fuse features a 300 kAIC interrupt rating at 600 V, enabling safe interruption of high fault currents typical in large power distribution panels. Ensure your system conductor sizing and protective coordination account for this capability to maximize uptime.
Industries with high-energy distribution like manufacturing cells, motor control centers, and machine automation benefit from Class L, time-delay protection. It offers selective coordination, reduced nuisance trips, and fast clearing for critical loads.
Yes. The KRP-C-4500SP is CE marked and RoHS compliant, ensuring compliance with European safety and environmental regulations. This supports regulatory approvals for European installations, OEMs with global supply chains, and cross-border projects, while maintaining traceability and consistent performance across the Bussmann Series.
Routine inspection should verify mounting integrity and blade contact quality. The non-indicating design requires periodic electrical testing to confirm status, and plan for scheduled replacement in high-cycle or harsh environments to maintain protection performance and overall system reliability.