Eaton KLU-2000 Fuse - Class L, 2000 A, 200 kAIC
Part Number: KLU-2000
Quick Summary
The Eaton KLU-2000 fuse provides fast-acting protection for high-current power circuits in industrial equipment. When faults occur, nuisance trips or slow clearance can drive costly downtime and equipment damage. This Class L, current-limiting design carries CE marking and RoHS compliance, supporting European regulatory alignment and safer environmental stewardship. With a 2000 A amperage rating and a 200 kAIC interrupt rating at 600 Vac, it delivers robust protection for critical loads while enabling efficient maintenance and standardization across power panels and MCCs. In practice, it helps engineering teams simplify protection schemes, reduce spare-part variety, and improve overall system reliability in manufacturing, process facilities, and energy installations.
Product Information
Extended Description
KLU-2000 Eaton: Eaton Bussmann Series Class L fuse, KLU, fast-acting, current limiting fuse, 2000 A, bladable fuse, interrupting rating of 200 kA, 600 Vac
Product Name
Eaton Bussmann series KLU fuse
Catalog Number
KLU-2000
UPC
051712135108
Product Length/Depth
10.75 in
Product Height
3.5 in
Product Width
3.5 in
Product Weight
8.3 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
2000 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
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KLU Class L fuse data sheet No. 1013
Feature → Business Impact → Application: The KLU-2000 uses a fast-acting current-limiting Class L design to sharply restrict fault energy, protecting conductors and downstream equipment while minimizing arc flash risk. This translates to fewer damaged cables, shorter downtime after faults, and longer service life for downstream devices in motor drives and distribution panels. Application: heavy-current feeders, switchgear banks, and motor control centers in automation environments. Feature → Business Impact → Application: With a 2000 A amperage rating and 600 Vac voltage rating, it safely protects large power circuits without compromising performance, enabling compact protection schemes and reducing the number of mid-range fuses required in high-capacity installations. Application: large industrial feeds and critical process lines. Feature → Business Impact → Application: A 200 kAIC interrupt rating ensures rapid fault clearance, limiting system-wide fault propagation and safeguarding upstream gear. Application: data centers, processing lines, and manufacturing lines with high fault-energy potential. Feature → Business Impact → Application: Bolted blade ends and bolt mounting give mechanical reliability and straightforward installation, reducing field failure risk and simplifying panel assembly. Application: switchgear, MCCs, and retrofit projects. Feature → Business Impact → Application: Non-indicating fuse design minimizes false signals in remote-monitoring setups, while standard packaging and a single-unit quantity streamline procurement and stocking. Application: modernized control panels and standardized maintenance stocks. Feature → Business Impact → Application: CE marking and RoHS compliance support regulatory readiness and sustainability goals, ensuring market access and responsible material use. Application: European installations and green-supply initiatives.
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FAQs
Yes. The KLU-2000 uses bolted blade end connections and bolt mounting, designed for secure installation in switchgear, motor control centers (MCCs), and distribution panels. Ensure your enclosure provides the 10.75 in length and 3.5 in width clearance. For installation specifics, refer to Eaton Bussmann KLU data sheet No. 1013 and the recommended torque values in the manual.
Key ratings include a 2000 A amperage, a 200 kAIC interrupt rating at 600 Vac, and a 5-second response time at 500% overload. As a Class L, current-limiting fuse, it minimizes fault energy and protects conductors, cables, and equipment. It is well suited for high-current protection in power distribution, motor drives, and switchgear assemblies.
Ideal for high-current feeders, motor control centers, and power panels where rapid fault clearance is critical. Its current-limiting characteristics reduce conductor insulation stress and short-circuit energy, lowering downtime risk. The bolt-end design supports rugged installations in demanding environments. Suitable industries include manufacturing automation, process industries, and renewable energy setups.
The KLU-2000 carries CE marking and RoHS compliance, ensuring alignment with European directives for electrical equipment. The Class L construction meets common protection requirements for branch circuit fuses, and the high interrupt rating supports safety and reliability programs. Always verify the latest compliance documentation in Eaton catalogs and the Bussmann datasheets.
Using the KLU-2000 can reduce unplanned downtime by rapidly clearing faults and limiting energy, protecting expensive equipment. Its rugged bolt-on design simplifies replacements during planned maintenance, while the non-indicating feature reduces signal noise in controlled environments. The result is improved system availability, predictable maintenance planning, and lower total cost of ownership for high-current systems.