Eaton KRP-C-1800SP Fuse - Class L 300 kAIC at 600 Vac
Part Number: KRP-C-1800SP
Quick Summary
Eaton KRP-C-1800SP fuse is a Class L time-delay device that protects industrial power distribution and motor feeders. Engineers often battle nuisance trips during startup surges while ensuring faults are quickly interrupted to prevent equipment damage. The product is CE marked and RoHS compliant, with a 300 kAIC interrupting rating at 600 Vac and 100 kAIC at 300 Vdc. Designed for bolted blade end connections in switchgear and panelboards, it supports reliable protection while simplifying procurement and maintenance. As part of the Bussmann series family, it integrates with other protection devices to enable scalable, consistent safeguarding across installations and service segments.
Product Information
Extended Description
KRP-C-1800SP Eaton: Eaton Bussmann Series Class L fuse, KRP-C, time-delay, current limiting fuse, 1800 A, interrupting rating of 300 kA at 600 Vac and 100 kA at 300 Vdc
Product Name
Eaton Bussmann series KRP-C fuse
Catalog Number
KRP-C-1800SP
UPC
051712605182
Product Length/Depth
10.75 in
Product Height
3.53 in
Product Width
3.53 in
Product Weight
8.25 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
1800 A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC Vdc
Response time
4 sec at 500%
Voltage rating
600 Vac, 300 Vdc
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 601 to 2000A Class L fuse data sheet No. 1008
Feature: Time-delay Class L operation with current-limiting capability. Benefit: Reduces nuisance trips during startup and short surges while maintaining robust fault interruption. Application: Motor feeders and power distribution panels in harsh industrial environments. Feature: High interrupting rating of 300 kAIC at 600 Vac (and 100 kAIC at 300 Vdc). Benefit: Safeguards against catastrophic faults and equipment damage, improving safety and uptime. Application: Large MCCs and heavy-duty feeders with high fault currents. Feature: 1800 A amperage rating with 10.75 in length and bolted blade end connections. Benefit: Easy integration into standard enclosures with reliable mechanical and electrical mounting. Application: Retrofit projects and new panel builds requiring bolted-end protection. Feature: Compliance and documentation including CE Mark and RoHS. Benefit: Streamlines procurement and regulatory adherence, reducing compliance risk. Application: Global deployments across regulated markets. Feature: Response time of 4 seconds at 500% overload. Benefit: Predictable protection timing that minimizes collateral damage while clearing faults. Application: High-load systems with transient overcurrents.
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FAQs
KRP-C-1800SP uses bolted blade end connections, so ensure alignment with mating leads and enclosure rails. Verify torque specifications per manufacturer guidelines, and align with bolted-end protection devices in the Bussmann series for consistent electrical continuity and easy field service access.
Key ratings include 1800 A amperage, 600 Vac/300 Vdc voltage rating, and a 300 kAIC interrupting rating at 600 Vac (100 kAIC at 300 Vdc). The fuse provides a time-delay response with a specification of 4 seconds at 500% overload, balancing surge tolerance with rapid fault interruption.
Yes. The 600 Vac rating and Class L time-delay design make it well-suited for feeder protection and motor control center applications, where reliable fault clearing and surge tolerance minimize downtime while protecting wiring and components.
The KRP-C-1800SP is CE Marked and RoHS Compliant, which supports regulatory compliance across markets and simplifies supplier qualification. These certifications help ensure environmental and safety standards are met in global procurement programs.
The time-delay Class L fuse offers reliable protection with a clear 1800 A rating and robust interrupting capability, reducing nuisance trips and limiting equipment damage. This translates to lower maintenance frequency, fewer spare-part needs, and improved system uptime over the fuse’s service life.