Eaton KTN-R-110 Fuse - Class RK1, 200 kAIC @250VAC
Part Number: KTN-R-110
Quick Summary
The Eaton KTN-R-110 fuse provides fast-acting, current-limiting protection for industrial control panels. It helps prevent nuisance trips and collateral damage by clearing faults quickly while maintaining coordination with upstream protection. RoHS compliance information is accessible via Eaton's RoHS tool, and regional CE/UL certifications should be confirmed on the datasheet for your location. As a Class RK1, fast-acting fuse in a rejection-style package, it combines reliable interrupting performance with straightforward installation. This combination delivers measurable business value by reducing downtime, improving safety, and simplifying spare parts management in demanding environments. For procurement teams, the KTN-R-110 offers predictable protection and a compact footprint that fits into standard Bussmann RK1 holders.
Product Information
Extended Description
KTN-R-110 Eaton: Eaton Bussmann Series Class RK1 fuse, KTN-R, fast-acting, current limiting fuse, 110 A, rejection style fuse, interrupting rating of 200 kA at 250 Vac and 100 kA at 250 Vdc
Product Name
Eaton Bussmann series KTN-R fuse
Catalog Number
KTN-R-110
UPC
051712407342
Product Length/Depth
7.1 in
Product Height
1.56 in
Product Width
1.56 in
Product Weight
0.001 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
110 A
Interrupt rating
200 kAIC at 250 Vac 100 kAIC at 250 Vdc
Voltage rating
250 Vac, 250 Vdc
Number of elements
1
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KTN-R 250 V Class R fuse data sheet no. 1043
Feature: Fast-acting, current-limiting protection. Benefit: Reduces arc energy and minimizes collateral damage during faults, leading to higher system uptime in motor control and power distribution. Application: Suitable for industrial control panels where quick clearance preserves downstream equipment and process continuity. Feature: Rejection-style design. Benefit: Prevents mis-insertion into incompatible fuseholders, increasing maintenance safety and reducing human error during replacements. Application: Ideal for panel boards and repair scenarios in harsh environments. Feature: High interrupt ratings of 200 kAIC at 250 VAC and 100 kAIC at 250 VDC. Benefit: Provides robust protection for circuits subject to high short-circuit currents, safeguarding feeders and control circuits. Application: Power distribution and critical equipment protection in factories. Feature: Compact physical footprint (7.1 in L x 1.56 in W x 1.56 in H) with light packaging. Benefit: Easier fit in tight enclosures and straightforward replacement scheduling, reducing installation time. Application: Retrofit and new builds where space is at a premium. Feature: 110 A amperage rating with 250 VAC/250 VDC voltage rating. Benefit: Clear, reliable threshold for circuit protection across mixed AC/DC environments. Application: Industrial automation, machine controls, and process equipment protection with dual-voltage requirements.
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FAQs
The KTN-R-110 is ideal for industrial control panels and power distribution in environments using 250 VAC or 250 VDC. It fits standard Bussmann RK1 holders and supports reliable short-circuit protection in automation equipment, motor drives, and control circuits.
Key ratings include 110 A amperage, 200 kAIC interrupt rating at 250 VAC, 100 kAIC at 250 VDC, and a voltage rating of 250 VAC / 250 VDC. These specifications enable dependable fault-clearing while protecting downstream devices.
RoHS compliance information is accessible via Eaton’s RoHS tool. Regional CE/UL certifications vary by market, so confirm the datasheet and local requirements for your installation.
The rejection-style design prevents installation in incompatible fuseholders, reducing the risk of incorrect replacements and enhancing safety during routine maintenance and fault response.
The fuse measures 7.1 inches in length with a 1.56 inch square cross-section. It weighs approximately 0.001 lb and uses standard packaging for straightforward replacement within RK1 assemblies.