Eaton KRP-CL-400 Fuse - 200 kAIC at 600 Vac
Part Number: KRP-CL-400
Quick Summary
The Eaton Bussmann KRP-CL-400 fuse is a time-delay, current-limiting solution designed for protecting low-voltage power circuits in industrial panels. Design engineers often grapple with limited panel space and downtime during fuse changes, and this compact Class L device helps reduce both. RoHS compliant with a 400 A rating and 200 kAIC interrupt capability at 600 V, the KRP-CL-400 delivers reliable protection for demanding environments. Its small footprint, straightforward blade-end connections, and favorable installation profile translate to faster upgrades and lower commissioning costs. For manufacturers seeking durable protection without sacrificing space or performance, this fuse offers tangible uptime improvements and long-term operating efficiency.
Product Information
Extended Description
KRP-CL-400 Eaton: Eaton Bussmann Series Class L fuse, KRP-CL, time-delay, current limiting fuse, 400 A, Interrupting rating of 200 kA at 600 Vac
Product Name
Eaton Bussmann series KRP-CL fuse
Catalog Number
KRP-CL-400
UPC
051712605724
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
400 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
Special features
Small footprint
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KRP-CL Class L fuse data sheet no.1016
Feature → Business Impact → Application: Time-delay Class L fuse provides selective coordination and nuisance-trip resistance for motor loads, reducing unnecessary downtime and extending motor life in manufacturing lines. This translates to improved line reliability and lower maintenance costs in control panels, MCCs, and distribution enclosures. Feature → Business Impact → Application: 400 A amperage rating enables protection of main feeders and larger branch circuits without oversizing protection, resulting in optimized panel design and reduced capital expenditure for protection devices in industrial facilities. Feature → Business Impact → Application: 200 kAIC interrupt rating at 600 V ensures robust fault handling for high-current events, increasing system safety and preventing cascading failures in automotive, process, and packaging lines. Feature → Business Impact → Application: Small footprint and blade-end x blade-end connection simplify retrofits and new installations, accelerating commissioning in retrofits and modular build-outs. Feature → Business Impact → Application: RoHS compliant construction guarantees regulatory alignment for modern assemblies, easing procurement and compliance across diverse manufacturing environments. Feature → Business Impact → Application: Non-indicating fuse with a clear data sheet and standardized form factor reduces inventory complexity and supports standardization across global sites.
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FAQs
Installation is straightforward with standard blade-end connections. The KRP-CL-400 measures 8.63 inches in length with a compact footprint, allowing easy integration into existing fuse holders and panel spaces. Verify compatibility with your panel bus bars and ensure secure blade contacts to maintain reliable interruption performance.
The fuse provides a 400 A amperage rating and a 200 kAIC interrupt capability at 600 V, delivering robust protection for high-current, low-voltage circuits. The Class L time-delay design accommodates motor inrush and short-duration overloads while minimizing nuisance trips, supporting reliable motor control and power distribution.
Yes. The KRP-CL-400 uses blade-end connections and adheres to Bussmann’s line standards, facilitating straightforward retrofit and new installation. Its compact footprint helps fit into tight panel spaces, and the part is documented with standard dimensions and wiring guidance to support field technicians.
The KRP-CL-400 is RoHS compliant, aligning with current environmental and regulatory requirements for electrical components. While other certifications are not listed in the provided data, RoHS compliance helps ease procurement and regulatory pairing across many industrial applications.
The fuse’s small footprint plus reliable time-delay protection reduces panel depth and downtime during maintenance or replacements. With a 400 A rating and 200 kAIC interrupting capability, protective reliability improves uptime, potentially lowering spare-part inventory and maintenance labor, while reducing the risk of costly unplanned outages in critical lines.