Eaton DFJ-1 High Speed Fuse - Class J, 150V AC/DC, UL Listed
Part Number: DFJ-1
Quick Summary
The Eaton DFJ-1 high speed fuse protects sensitive circuits in industrial control panels and motor drives. Vendors and maintenance teams often wrestle with nuisance trips and slow protection that erode uptime and compromise safety. The DFJ-1 is CE marked, RoHS compliant, CSA certified, and UL listed to meet global electrical safety and reliability standards. Its ferrule end to ferrule end design simplifies installation, reduces wiring errors, and supports quick replacement in demanding automation environments. By combining precise high-speed trip performance with robust certifications, this fuse helps engineers meet compliance while sustaining production throughput and rugged, maintenance-friendly protection.
Product Information
Extended Description
DFJ-1 Eaton: Eaton Bussmann series DFJ high speed fuse, 150 Vac/dc, 1A, Non Indicating, High speed fuse, Ferrule end X ferrule end, Class J
Product Name
Eaton Bussmann series DFJ high speed fuse
Catalog Number
DFJ-1
UPC
051712505260
Product Length/Depth
0.74 in
Product Height
2.27 in
Product Width
0.74 in
Product Weight
0.9 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
CSA Certified UL Listed
Amperage Rating
1 A
Voltage rating
150 Vac/dc
Packaging type
Standard
Class
Class J
Connection
Ferrule end x ferrule end
Fuse indicator
Non Indicating
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - DFJ-1
DFJ-1~DRIVE FUSE
Datasheet - FNQ-30
Feature: 1 A amperage rating and a voltage rating of 150 VAC/DC deliver rapid fault clearing; Business Impact: minimizes arc damage and downtime while protecting controllers; Application: control panels and motor drives. Feature: Class J high-speed response provides selective protection to prevent nuisance trips in critical automation circuits; Business Impact: preserves process stability and reduces maintenance cost; Application: industrial automation assemblies. Feature: Ferrule end x ferrule end connections simplify wiring and compatibility with standard fuse holders; Business Impact: faster installation and fewer wiring errors; Application: replacement in existing Bussmann series bases. Feature: Non-indicating fuse indicator reduces false signals and simplifies diagnostics; Business Impact: clearer maintenance planning and reduced inspection time; Application: crowded panels with multiple protection devices. Feature: Certifications CE RoHS, UL Listed, CSA Certified ensure regulatory compliance across regions; Business Impact: lowers audit risk and enables global deployments; Application: international manufacturing environments. Feature: Compact dimensions and standard packaging support space-saving installation in tight panels; Business Impact: increases mounting density and inventory efficiency; Application: high-density control cabinets.
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FAQs
DFJ-1 uses ferrule-end connections that fit standard Bussmann series bases and holders. With a 0.74 in width and 2.27 in height, it suits common panel cutouts in industrial control applications. The 1 A rating and 150 Vac/dc specification support protection for low-voltage automation equipment, motor drives, and distributed control systems.
DFJ-1 is UL Listed, CSA Certified, CE Marked, and RoHS Compliant. These certifications confirm electrical safety, product reliability, and regulatory alignment across key markets. For engineers, this reduces compliance risk during audits and enables installation in international facilities without additional third-party testing.
Yes. The DFJ-1 is rated for 150 Vac/dc, making it suitable for DC bus protection in motor drive and automation systems. Its high-speed response ensures rapid current interruption, helping to prevent damage to drives, controllers, and connected actuators while maintaining system stability.
Install DFJ-1 in a compatible ferrule-end fuse holder and ensure the circuit matches the 1 A rating and 150 Vac/dc rating. Use proper crimping for ferrule ends, verify the Class J compatibility, and avoid overloading adjacent protection devices. Proper sizing and secure mounting reduce false trips and wiring faults.
By delivering fast-acting overcurrent protection and robust certifications, the DFJ-1 minimizes downtime from nuisance trips, reduces replacement costs for damaged components, and supports longer equipment life. The compact form factor also saves panel space and simplifies spare part inventories, contributing to lower total cost of ownership.