Eaton JKS-100 Fuse - Class J, 200 kAIC at 600V
Part Number: JKS-100
Quick Summary
The Eaton JKS-100 fuse protects electrical circuits with fast-acting precision for switchgear and motor control centers. Engineers and maintenance teams often struggle with nuisance trips and downtime under varying loads, which erodes productivity and increases service costs. Class J construction, RoHS compliance, and a 600 V rating with a 200 kAIC interrupt capability deliver robust, reliable low-voltage protection across panels and MCCs. Designed for bolted blade end connections and standard packaging, it simplifies sourcing and improves system uptime while reducing spare-part inventories. This fuse blends a proven Bussmann series lineage with Eaton support, providing solid technical documentation, easy field replacement, and predictable performance in challenging industrial environments.
Product Information
Extended Description
JKS-100 Eaton: Eaton Bussmann Series Class J fuse, JKS, fast-acting, current limiting fuse, 100 A, rejection style fuse, interrupting rating of 200kA at 600Vac
Product Name
Eaton Bussmann series JKS fuse
Catalog Number
JKS-100
UPC
051712631006
Product Length/Depth
4.63 in
Product Height
1.13 in
Product Width
1.13 in
Product Weight
0.29 lb
Warranty
Not Applicable
Compliances
RoHS Compliant
Amperage Rating
100 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Number of elements
1
Packaging type
Standard
Class
Class J
Connection
Bolted blade end x bolted blade end
Fuse indicator
Non-indicating
Quantity
5
Special features
Non-indicating
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series JKS fast-acting Class J fuses, 70-600A technical data sheet no. 1027
Feature: 100 A amperage rating with fast-acting current-limiting characteristics. Benefit: Minimizes fault energy and protects sensitive downstream circuitry, reducing equipment damage and downtime in short-circuit events. Application: Protects motor starters, drives, and distribution panels in manufacturing lines. Feature: 600 V voltage rating with 200 kAIC interrupt rating. Benefit: Safely interrupts high fault currents, enhancing personnel safety and safeguarding switchgear integrity. Application: Heavy-load low-voltage DC/AC control circuitry in machine rooms and panels. Feature: Class J, single-element, bolted blade end connections. Benefit: Reliable, easy installation with secure terminations, lowering installation time and field errors. Application: Standardized protection in control panels and bus ducts. Feature: Rejection style and non-indicating fuse indicator. Benefit: Prevents misassembly and simplifies replacement workflows, reducing maintenance overhead. Application: Factory floor and panel upgrades where mechanical fidelity matters. Feature: RoHS compliant with compact 4.63 in length and 1.13 in width. Benefit: Compliance-ready parts with space-efficient form factor, enabling compact panel designs. Application: Modern panelboards and compact switchgear installations.
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FAQs
The JKS-100 features bolted blade end connections for secure terminations and a standard packaging of five pieces. Its compact 4.63 inch length and 1.13 inch width fit tight panel spaces, while the single element design simplifies stocking and replacement during routine maintenance.
The high interrupt rating safely clears large fault currents without excessive arc energy, protecting downstream components, reducing insulation stress, and improving overall system safety in MCCs and motor drives.
Yes. As a current-limiting, fast-acting Class J fuse, it responds quickly to overcurrent events, limiting damage to conductors and devices while maintaining system reliability in low-voltage switchgear applications.
The JKS-100 is RoHS compliant, ensuring restricted use of hazardous substances. It adheres to industry expectations for clean manufacturing and environmental responsibility in electrical protection.
Benefits include reduced nuisance trips, lower downtime, and easier part sourcing due to standardized form factor and compatibility. The fuse’s reliability and clear documentation also shorten maintenance cycles and improve asset uptime.