Eaton KRP-C-801SP Fuse - Class L, 801A, 600 Vac
Part Number: KRP-C-801SP
Quick Summary
KRP-C-801SP is a high-performance Class L time-delay fuse designed for heavy industry power distribution. Engineers often grapple with nuisance trips and limited panel space when protecting motors, feeders, and critical drives. This device delivers reliable fault clearing with an 801 A rating and interrupt ratings of 300 kA at 600 Vac and 100 kA at 300 Vdc, while meeting RoHS and CE requirements. Its small footprint and bolted blade-end connections simplify installation, improve coordination, and reduce maintenance downtime in demanding environments. In practice, it supports regulatory compliance across North America and Europe, helping procurement teams standardize protection across sites.
Product Information
Extended Description
KRP-C-801SP Eaton: Eaton Bussmann Series Class L fuse, KRP-C, time-delay, current limiting fuse, 801 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-801SP
UPC
051712178624
Product Length/Depth
8.63 in
Product Height
2.53 in
Product Width
2.53 in
Product Weight
3.977 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Amperage Rating
801A
Interrupt rating
100 kA at 300 kAIC Vdc 300 kAIC at 600 Vac
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
Special features
Small footprint
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: Class L time-delay fuse with an 801 A rating → Business Impact: Enables selective coordination and motor protection, minimizing unnecessary downtime while allowing short overloads to pass without tripping. Application: Motor feeders and main distribution panels in industrial facilities. Feature: High interrupting ratings of 300 kA at 600 Vac and 100 kA at 300 Vdc → Business Impact: Faster fault clearing and reduced equipment damage, lowering total cost of ownership. Application: Heavy-duty feeders and critical power paths in manufacturing lines. Feature: 8.63 in length, 2.53 in width and height, weight 3.977 lb with bolted blade end connections → Business Impact: Small footprint and secure mounting enable easier installation in crowded panels and retrofit projects. Application: Space-constrained switchgear and control cabinets. Feature: RoHS compliant and CE marked → Business Impact: Regulatory alignment supports global deployment and procurement standardization. Application: Global facilities requiring compliant electrical protection components. Feature: Special feature small footprint → Business Impact: Space optimization in modern control panels reduces enclosure size and cooling load. Application: Compact motor control centers and panelboards across industrial plants.
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FAQs
KRP-C-801SP uses bolted blade end x bolted blade end connections, matching common Bussmann and Eaton Class L fuse footprints. This enables quick, secure interchange in panels that use bolted-fuse assemblies, minimizes bus bar adaptation, and supports reliable electrical contact under vibration or thermal cycling typical of industrial environments.
The fuse is rated 801 A with an interruption capability of 300 kA at 600 Vac and 100 kA at 300 Vdc. It is a time-delay Class L device with a 4-second response at 500% overcurrent, offering selective coordination for transient faults while preserving essential downstream protection and minimizing nuisance blows.
Yes. The 801 A Class L time-delay design is suited for motor feeders and distribution panels, providing short-term overload tolerance to reduce nuisance trips. Its small footprint and bolted blade ends make it practical for space-constrained motor control centers, while the high interrupt ratings protect feeders from severe faults.
KRP-C-801SP is RoHS compliant and CE marked, aligning with European and RoHS regulatory requirements. These certifications support global deployment in plants with multiple jurisdictions, simplifying procurement and reducing risk of non-compliance penalties for electrical protection devices.
The combination of Class L time-delay, high interrupt ratings, and a compact footprint reduces nuisance trips while improving selective coordination. Fewer trips mean less downtime for motor-driven processes, lower maintenance intervention costs, and easier retrofits in space-limited panels, delivering favorable total cost of ownership over the device lifecycle.