Eaton KTK-4/10 Fuse - 100 kAIC at 600 V
Part Number: KTK-4/10
Quick Summary
The Eaton KTK-4/10 fuse is a compact control circuit protection device designed for panel-mounted control circuits and lighting applications. Engineers face crowded enclosures and the challenge of delivering reliable protection without sacrificing space. This unit meets essential regulatory expectations with CE marking and RoHS compliance, and it supports 600 V systems with a robust 100 kAIC interrupt rating to handle fault conditions. Its ferrule-end connections simplify field installation and reduce mounting time in tight spaces. The small footprint and lightweight construction help minimize panel depth and wiring complexity, while still delivering dependable outage protection for critical instrumentation and control equipment.
Product Information
Extended Description
KTK-4/10 Eaton: Eaton Bussmann series KTK fuse, Control circuits, Lighting circuit protection, Meter circuits, 0.4 A, Non-indicating, Ferrule end x ferrule end, 100 kAIC at 600 V, Nickel-plated bronze endcap, Melamine tube, 600 V
Product Name
Eaton Bussmann series KTK fuse
Catalog Number
KTK-4/10
UPC
051712812887
EAN
5027590445962
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
0.4 A
Interrupt rating
100 kAIC at 600 Vac
Voltage rating
600 V
Material
Melamine tube Nickel-plated bronze endcap
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Small footprint
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - KTK-4/10
Feature: Amperage rating of 0.4 A. Business Impact: Provides precise protection for low-current control circuits, reducing nuisance trips and wear on relays. Application: Instrumentation panels, PLC inputs, and sensor circuits where stable operation matters. Feature: Interrupt rating of 100 kAIC at 600 V. Business Impact: Enhances fault tolerance and downstream safety by quickly interrupting high-energy faults, lowering the risk of damage to drives and relays. Application: Main control panels and distributed I/O hubs in industrial automation where fault currents can spike. Feature: Ferrule end x ferrule end connection. Business Impact: Facilitates reliable, solder-free connections with quick-term hookups, reducing installation time and field error in crowded cabinets. Application: Control cabinets and instrument panels where robust, maintainable wiring is required. Feature: Melamine tube with nickel-plated bronze endcaps. Business Impact: Delivers durability and heat tolerance in demanding environments, extending fuse life and reducing maintenance intervals. Application: Harsh factory floors and enclosed switchgear where thermal cycling is common. Feature: Small footprint and compact dimensions (0.41 in x 0.41 in x 1.5 in) with 0.19 lb weight. Business Impact: Maximizes real estate in tight enclosures, enabling denser protection layouts and simpler cable routing. Application: Space-constrained control panels, lighting controllers, and meter circuits. Feature: Compliance and construction. Business Impact: CE Marked and RoHS compliant design ensures regulatory alignment and long-term reliability in global deployments. Application: Any international installation requiring standard-compliant protection devices with predictable lifecycles.
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FAQs
Install the KTK-4/10 with ferrule-end connections into a compatible fuse holder or holder assembly rated for 600 V. Ensure the enclosure is clean and free of contaminants, verify correct amperage (0.4 A), and secure both ends to prevent loosening under vibration. This reduces nuisance trips and improves long-term reliability in control circuits.
The fuse is rated for 0.4 A, 600 V, with a 100 kAIC interrupt rating. It is well-suited for low-current control circuits, lighting circuit protection, and meter circuits within electrical panels where space is at a premium and reliable protection is required.
Yes. The KTK-4/10 supports control and lighting circuits and can protect meter circuits. Its small footprint and high interrupt rating make it a practical choice for panel builders needing compact protection without compromising safety or regulatory compliance.
The device carries CE marking and RoHS compliance, signaling adherence to European safety and environmental standards. This is important for global deployments, ensuring regulatory alignment and reducing compliance risk in multinational projects.
The fuse measures 0.41 in in length and width, 1.5 in in height, and weighs 0.19 lb. This compact size simplifies layouts in tight control cabinets and helps with neat wiring, faster wiring runs, and improved serviceability during routine maintenance.