Eaton KLU-650 Fuse - Class L fast-acting, 200 kAIC
Part Number: KLU-650
Quick Summary
The Eaton KLU-650 fuse is a fast-acting protection device designed for 600 V AC circuits in industrial power distribution and control panels. Engineers often face the challenge of balancing rapid fault interruption with coordination across multiple feeders in high-energy environments. These Bussmann Series Class L fuses are CE marked and RoHS compliant, offering reliable performance with a 200 kAIC interrupt rating at 600 Vac. With bolted blade end connections and bolt mounting, they deliver durable installation and straightforward replacement, while the 650 A rating supports large branch circuits. This combination reduces downtime, improves safety, and simplifies sourcing for maintenance teams.
Product Information
Extended Description
KLU-650 Eaton: Eaton Bussmann Series Class L fuse, KLU, fast-acting, current limiting fuse, 650 A, bladable fuse, interrupting rating of 200 kA, 600 Vac
Product Name
Eaton Bussmann series KLU fuse
Catalog Number
KLU-650
UPC
051712135030
Product Length/Depth
8.63 in
Product Height
2.5 in
Product Width
2.5 in
Product Weight
3.75 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
650 A
Interrupt rating
200 kAIC at 600 Vac
Response time
5 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
Mounting method
Bolt
Quantity
1
Special features
Non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KLU Class L fuse data sheet No. 1013
Feature: Fast-acting current-limiting design; Business Impact: Minimizes fault energy and arc exposure, protecting downstream components and improving personnel safety; Application: Ideal for electrical distribution panels and motor control centers where rapid isolation is critical. Feature: 650 A amperage rating; Business Impact: Supports large-diameter feeders and high-load circuits without nuisance tripping, enabling better system reliability and fewer panel redesigns; Application: Large branch circuits in industrial facilities and manufacturing lines. Feature: 200 kAIC interrupt rating at 600 Vac; Business Impact: Withstands high fault currents, delivering enhanced protection for busbars and upstream equipment; Application: Utilities-grade protection in medium to large panel installations. Feature: Bolted blade end x bolted blade end connection; Business Impact: Provides robust, low-resistance electrical contact and repeatable installation with bolt mounting; Application: Secure mounting in locked-in, vibration-prone environments. Feature: Class L designation and non-indicating fuse indicator; Business Impact: Ensures selective coordination with minimal nuisance alarms while simplifying device identification during maintenance; Application: Control panels requiring reliable class L protection and easy field servicing. Feature: Compact, standard packaging (8.63 in L × 2.5 in W × 2.5 in H) and 1-unit quantity; Business Impact: Streamlines procurement, stocking, and replacement logistics; Application: OEM and aftermarket panel assemblies needing consistent form factor.
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FAQs
The KLU-650 uses bolted blade end connections with bolt mounting. It fits in standard Class L protective assemblies and is designed for secure, low-resistance contacts. Mounting is straightforward in panel slots or bus assemblies, and the bolt-type connection provides consistent compression and repeatable replacement during maintenance.
Key ratings are 650 A amperage, 600 V voltage, and a 200 kAIC interrupt rating. This combination supports large branch circuits, ensures fast fault interruption, and minimizes energy transfer during a fault, reducing damage to downstream devices and improving overall system safety.
Yes. With Class L fast-acting protection, a 650 A rating, and 600 V capability, the KLU-650 is well-suited for motor control centers and electrical distribution panels where reliable protection and selective coordination are required, reducing downtime and maintenance costs in industrial environments.
The KLU-650 is CE marked and RoHS compliant, ensuring conformity with European safety and environmental standards. These certifications support compliance programs and downstream customers who require regulatory alignment for electrical protection devices.
Choosing the KLU-650 can reduce downtime through rapid fault interruption and reliable, durable mounting. Its 650 A rating and high interrupt capability help prevent cascading failures, while standard packaging and compatibility with Bussmann series simplify maintenance, spares inventory, and long-term serviceability.