Eaton KTS-R-20 Fuse - Class RK1, 200 kAIC at 600 Vac
Part Number: KTS-R-20
Quick Summary
The Eaton KTS-R-20 fuse protects industrial control circuits with fast-acting, current-limiting performance for motor drives and power panels. Engineers often wrestle with nuisance trips and selecting the correct interrupt rating, which can lead to downtime and costly rewiring. This Class RK1 ferrule-end fuse is CE marked and delivers a 200 kAIC interrupt rating at 600 V, supporting safe, compliant protection in demanding environments. With a compact 5 in length and standard packaging, it streamlines panel design while delivering reliability, ease of procurement, and predictable maintenance. The Bussmann KTS-R series also helps reduce spare-part inventories and accelerates commissioning in modern automation architectures.
Product Information
Extended Description
KTS-R-20 Eaton: Eaton Bussmann Series Class RK1 fuse, KTS-R, fast-acting, current limiting fuse, 20 A, rejection style fuse, interrupting rating of 200 kA at 600 Vac
Product Name
Eaton Bussmann series KTS-R fuse
Catalog Number
KTS-R-20
UPC
051712417051
EAN
5027590446389
Product Length/Depth
5 in
Product Height
0.8 in
Product Width
0.8 in
Product Weight
0.15 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
20 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Material
Melamine glass tube
Number of elements
1
Packaging type
Standard
Class
Class RK1
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Ferrule design
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KTS-R 600 V Class RK1 fuse data sheet no. 1044
Feature: Fast-acting, current-limiting Class RK1 fuse with a 20 A rating and 200 kAIC interrupt rating. Business Impact: Protects equipment from short-circuit surges while minimizing arc energy and downtime, improving overall line reliability. Application: Suitable for control panels and motor drives in industrial automation environments. Feature: Ferrule end x ferrule end connections with a melamine glass tube construction. Business Impact: Delivers robust, vibration-resistant terminations and durable performance in harsh electrical environments. Application: Ideal for standardized panel assemblies and replacement in legacy Bussmann series installations. Feature: Compact 5 inch length with 0.8 x 0.8 inch footprint and 0.15 lb weight. Business Impact: Enables tighter enclosures and easier routing in crowded switchgear spaces, reducing capture area and cooling needs. Application: Useful in compact control cabinets and space-constrained power distributions. Feature: CE marking and standard packaging. Business Impact: Supports regulatory compliance across European projects and simplifies procurement with widely available standard stock. Application: Global deployments and rapid stocking for engineering teams. Feature: 20 A rating, 600 V voltage rating, 200 kAIC interrupt rating. Business Impact: Delivers scalable protection for mid-range loads while meeting safety and performance requirements. Application: Power distribution, motor control centers, and automation panels in industrial facilities.
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FAQs
For optimal performance, use approved ferrule-end fuse holders compatible with Class RK1 devices. Ensure the ferrule-end connections match panel terminals and check the enclosure clearance given the 5 in depth. Verify voltage and current ratings (600 V, 20 A) before swapping in to avoid nuisance trips and ensure safe maintenance access.
The KTS-R-20 provides 20 A current rating, 600 V voltage rating, and a 200 kAIC interrupt rating at 600 Vac. These specs enable robust short-circuit protection for medium-power circuits, minimizing arc energy and equipment damage while maintaining fast clearing to protect upstream devices and wiring.
Yes. Its fast-acting, current-limiting behavior and Class RK1 ferrule design suit motor drives and power distribution within control centers. The 20 A rating and high interrupt capacity support reliable protection in automated machinery, with straightforward integration into standard Bussmann-series panel layouts.
The KTS-R-20 carries CE marking, indicating compliance with applicable European standards. RoHS compliance can be verified via Eaton's RoHS search tool, ensuring alignment with hazardous substance restrictions for global deployments and helping maintain regulatory readiness across regions.
The fuse’s standard ferrule design and 5 in length simplify replacement and inventory management, reducing downtime during maintenance. The high interrupt rating and robust construction translate to longer service life in demanding environments, delivering lower total cost of ownership through fewer nuisance trips and easier procurement.