Eaton JJN-600 Fuse - Class T, 20 kAIC @ 160 Vdc
Part Number: JJN-600
Quick Summary
JJN-600 fuse by Eaton delivers robust current-limiting protection for DC drives and high-current power circuits. This solution helps engineers prevent nuisance trips and protect essential components in motor control panels, drives, and industrial feeders. The design emphasizes reliable fault containment, so startups stay smoother and downtime is minimized. You benefit from CE marking and RoHS compliance, ensuring regulatory alignment across European markets, plus the Class T protection characteristic for predictable response. Built for Bussmann Series compatibility, it integrates with standard bolted blade end connections and common bus bar layouts, enabling quicker installations and easier replacements. In sum, it combines safety, performance, and cost-efficient protection for demanding industrial environments.
Product Information
Extended Description
JJN-600 Eaton: Eaton Bussmann series JJN fuse, Current-limiting, VFD line protection, 600 A, Class T, Non-indicating, Bolted blade end x bolted blade end, 20 kAIC at 160 Vdc, 200 kAIC at 300 V, Standard, 1, 300 V, 160 Vdc
Product Name
Eaton Bussmann series JJN fuse
Catalog Number
JJN-600
UPC
051712627054
Product Length/Depth
3.06 in
Product Height
1.25 in
Product Width
1.25 in
Product Weight
0.15 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
600 A
Interrupt rating
20 kAIC at 160 Vdc 200 kAIC at 300 Vac
Voltage rating
300 Vac, 160 Vdc
Packaging type
Standard
Class
Class T
Connection
Bolted blade end x bolted blade end
Fuse indicator
Non-indicating
Quantity
1
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
JJN-100~TRON FAST ACTING FUSE CLASS T
Feature: 600 A amperage rating and current-limiting action. Business Impact: Protects high-current DC and AC lines while minimizing fault energy, reducing conductor damage and equipment wear. Application: VFD line protection and motor drive circuits, enabling longer service life and lower maintenance costs. Long-tail keywords: current-limiting fuse, 600 A fuse, VFD protection.\n\nFeature: High interrupt ratings of 20 kAIC at 160 Vdc and 200 kAIC at 300 Vac. Business Impact: Withstands severe fault currents without cascading failures, improving system reliability and safety. Application: Power electronics and DC link protection in demanding industrial environments. Long-tail keywords: high interrupt rating fuse, 20 kAIC, 200 kAIC.\n\nFeature: Dual voltage capability (300 Vac / 160 Vdc) and class T classification. Business Impact: Supports mixed AC/DC protection schemes and predictable trip behavior, simplifying panel design and compliance. Application: Industrial drives, motor control centers, and protection racks. Long-tail keywords: Class T fuse, dual voltage fuse.\n\nFeature: Bolted blade end x bolted blade end connections. Business Impact: Easier field installation with secure, low-impedance connections, reducing assembly time and risk of loose contacts. Application: Busbar-based switchgear, control panels, and battery-backed drives. Long-tail keywords: bolted blade end fuse, electrical protection installation.\n\nFeature: Standard packaging and Bussmann Series compatibility. Business Impact: Fast replacement and broad equipment compatibility, minimizing downtime during maintenance. Application: OEM integration and modular protection schemes in process automation. Long-tail keywords: Bussmann series, standard packaging.\n\nAdditional benefits: CE marking and RoHS compliance support regulatory requirements and sustainability goals, while compact form factor and lightweight 0.15 lb weight help with dense panel layouts. This combination delivers a practical balance of performance, compliance, and total cost of ownership for industrial protection schemes.
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FAQs
The JJN-600 uses bolted blade end connections on both ends, with a compact form factor (3.06 in length, 1.25 in width, 1.25 in height) designed for standard busbar layouts. It ships in standard packaging and requires compatible bus bar thickness and mounting clearance. For best results, follow Eaton’s installation guidelines and ensure secure torque on the blade terminals to maintain optimal contact resistance.
Yes, the JJN-600 is designed for VFD line protection and DC bus protection in motor drive systems. It provides 600 A Amperage Rating with an interrupt rating of 20 kAIC at 160 Vdc and 200 kAIC at 300 Vac, supporting both DC and AC fault scenarios while maintaining fast clearing and reduced fault energy.
The JJN-600 is CE marked and RoHS compliant, ensuring regulatory acceptance within European markets and adherence to materials restrictions. These certifications support safe, compliant integration into modern control panels and reduce regulatory risk for projects across industries.
This fuse is ideal for VFD line protection, DC bus protection, and motor drive circuitry in industrial automation. Its current-limiting design, high interrupt ratings, and Class T characteristics help protect cables, contactors, and drives from short-circuit faults while minimizing downtime and maintenance costs.
The product data field lists the warranty as Not Applicable. Technical support and documentation are available through Eaton’s catalogs, datasheets, and RoHS tools, including related resources such as Low Voltage Branch Circuit Fuse chapters and Bussmann series materials to assist with installation and replacement decisions.