Eaton KTK-1/8 Fuse 0.125A/600V 100 kAIC Limitron
Part Number: KTK-1/8
Quick Summary
KTK-1/8 fuse provides fast-acting overcurrent protection for control circuits and lighting panels in industrial equipment. Engineers often confront nuisance trips in compact control cabinets, which halt production and complicate diagnostics. With a 0.125 A rating and a ferrule-end design, it protects low-current logic and meter circuits without compromising signal integrity. The device carries CE marking and RoHS compliance, signaling adherence to essential safety and environmental standards. By aligning with Eaton Bussmann’s Limitron fast-acting family, this fuse delivers repeatable protection while simplifying spare parts and inventory. In practice, it supports scalable panel design, reduces maintenance downtime, and helps meet stringent electrical protection requirements across automation projects.
Product Information
Extended Description
KTK-1/8 Eaton: Eaton Bussmann series KTK fuse, Control circuits, Lighting circuit protection, Meter circuits, 0.125 A, Non-indicating, Ferrule end x ferrule end, 100 kAIC at 600 V, Melamine tube, Nickel-plated bronze endcap
Product Name
Eaton Bussmann series KTK fuse
Catalog Number
KTK-1/8
UPC
051712420020
EAN
5027590445801
Product Length/Depth
0.41 in
Product Height
1.5 in
Product Width
0.41 in
Product Weight
0.19 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
0.125A
Interrupt rating
100 kAIC at 600 Vac
Voltage rating
600 V
Material
Nickel-plated bronze endcap Melamine tube
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
KTK-1/8~KTK-1-8~LIMITRON FAST ACTING FUSE
KTK-1/8~KTK-1-8~LIMITRON FAST ACTING FUSE
Bussmann series Fuseology
Eaton Specification Sheet - KTK-1/8
Feature: Precise low-amperage protection with a 0.125A rating at 600V and a 100 kAIC interrupt capacity. Impact: Minimizes nuisance trips and provides dependable fault clearing for sensitive control logic in automated panels. Application: Ideal for control circuits, meter paths, and lighting protection where small fuses govern critical sensors and relays. Feature: Robust construction using a melamine tube and nickel-plated bronze endcaps. Impact: Resists heat, arcing, and mechanical wear in harsh industrial environments, supporting longer panel life. Application: Suitable for mounted fuses inside control cabinets and compact assemblies where space is limited yet dependable protection is required. Feature: Ferrule end x ferrule end connections. Impact: Enables quick, repeatable terminations with standard ferrule crimp terminals, reducing installation time and wiring errors. Application: Easy integration into existing panel wiring harnesses and modular assemblies across automation lines. Feature: CE Marked and RoHS compliant. Impact: Ensures regulatory compliance for European and global markets, easing procurement and validation steps. Application: Use when meeting European electrical directives and environmental standards in machine building and panel manufacturing. Feature: Non-indicating fuse indicator. Impact: Keeps front panels uncluttered while still delivering protection; when a fuse blows, downstream diagnostics can locate the fault without needing visual indicators. Application: Popular in metering panels and where indicator LEDs are reserved for other functions. Feature: Standard packaging and compatibility with Bussmann limits. Impact: Streamlines stocking, procurement, and lifecycle management across multiple automation programs. Application: Beneficial for distributors and integrators managing diverse control-system fleets.
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FAQs
The KTK-1/8 comes with ferrule end x ferrule end terminals, designed for standard ferrule crimp connections. This enables quick, robust terminations in tight control cabinets or meter enclosures while minimizing wiring errors. When replacing, ensure ferrules match the conductor size and use appropriate crimp tooling to maintain a solid electrical and mechanical bond.
KTK-1/8 excels in low-current control circuits, lighting protection, and meter circuits within automated equipment. With a 0.125A rating at 600V and a 100 kAIC interrupt capacity, it reliably clears genuine faults without nuisance trips. It’s ideal for PLC cabinets, signal conditioning boards, and compact control panels where space is at a premium.
Yes, the KTK-1/8 is CE marked and RoHS compliant. This confirms compliance with essential European safety directives and environmental restrictions, reducing regulatory risk for European builds and export projects. It simplifies supplier qualification and helps ensure cross-border procurement aligns with current standards.
With a 100 kAIC interrupt rating at 600V, the KTK-1/8 can reliably interrupt high-energy faults without arcing or damage to neighboring components. This improves overall panel reliability, lowers maintenance exposure, and supports safer startup/shutdown sequences in automated power distribution and machine control circuits.
When replacing, verify amperage rating (0.125A), voltage rating (600V), and end-terminal type (ferrule). Ensure compatibility with the application’s surge conditions and update any related protection devices. Use the Eaton Bussmann data sheet for installation guidance and confirm CE/RoHS compliance for your market.