Eaton DFJ-30 High Speed Fuse - Class J, 600V 200 kAIC
Part Number: DFJ-30
Quick Summary
The Eaton DFJ-30 high-speed fuse provides fast overcurrent protection for motor drives and control panels. Engineers often grapple with nuisance trips and insufficient interrupt ratings in 600 Vac systems, leading to unplanned downtime. It carries CE marking, UL Listed, and CSA Certified with RoHS compliance, supporting global installations. This Bussmann series solution combines a compact Class J device with reliable clip-lock connections, delivering predictable protection in compact enclosures. For projects requiring scalable safety and straightforward installation, the DFJ-30 helps reduce maintenance costs while improving system reliability across industrial applications.
Product Information
Extended Description
DFJ-30 Eaton: Eaton Bussmann series DFJ high speed fuse, 600 Vac or less, 450 Vdc or less, 30A, 200 kAIC at 600 Vac, 100 kAIC 450 Vdc, Non Indicating, High speed fuse, Clip-lock, Class J, Melamine tube
Product Name
Eaton Bussmann series DFJ high speed fuse
Catalog Number
DFJ-30
UPC
051712653329
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
UL Listed CSA Certified
Amperage Rating
30 A
Interrupt rating
200 kAIC at 600 Vac 100 kAIC 450 Vdc
Voltage rating
600 Vac or less, 450 Vdc or less
Material
Melamine tube
Packaging type
Standard
Class
Class J
Connection
Clip-lock
Fuse indicator
Non Indicating
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - DFJ-30
DFJ-30~DRIVE FUSE
Datasheet - FNQ-30
Feature: 30 A amperage rating. Business Impact: Provides precise protection for standard loads while minimizing nuisance trips and protecting motor circuits. Application: Drive panels and feeders in automation cabinets. Feature: 200 kAIC interrupt rating at 600 Vac. Business Impact: High fault tolerance reduces fuse-related downtime and protects downstream equipment during short circuits. Application: Heavy-industry power distribution and motor drives. Feature: Class J fuse with clip-lock connection. Business Impact: Fast, secure assembly and straightforward field replacement, minimizing installation time. Application: Control cabinets with Bussmann-compatible holders. Feature: Melamine tube construction. Business Impact: Robust insulation and compact form factor for dense panel layouts, improving heat management. Application: Enclosures with limited space and elevated ambient temperatures. Feature: Non-indicating design. Business Impact: Lower cost and simpler inventory for applications where indication isn't required, reducing maintenance overhead. Application: Standard protection duties in automation lines. Feature: Compliance suite CE Marked, RoHS Compliant, UL Listed, CSA Certified. Business Impact: Global regulatory acceptance and easier cross-border procurement, supporting export-ready projects. Application: International installations and multi-site deployments. Feature: Voltage range 600 Vac or less, 450 Vdc or less. Business Impact: Broad system compatibility across mixed-voltage architectures, simplifying specification. Application: Mixed AC/DC environments in industrial automation.
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FAQs
The DFJ-30 uses a clip-lock connection compatible with standard Bussmann series holders and Class J configurations. It fits common control cabinets and motor drive panels designed for Bussmann fuses, enabling quick drop-in replacement without additional adapters. Ensure mounting clearance and proper terminal alignment to maintain secure, vibration-resistant operation. This simplifies preventive maintenance and minimizes panel downtime during exchanges.
DFJ-30 is rated for 30 A with an interrupt rating of 200 kAIC at 600 Vac and 100 kAIC at 450 Vdc. It supports voltage ratings up to 600 Vac or less and 450 Vdc or less. These specifications enable reliable protection for medium to large motor drives and feeders, ensuring fast disconnection during fault events while safeguarding downstream equipment.
Yes, the DFJ-30 is designed for 600 Vac or less systems, including motor drives. When selecting, verify the system voltage, available interrupt rating, and enclosure space. Consider coordination with upstream fuses and breakers to ensure selective protection, and confirm that the installation space accommodates the Melamine tube dimensions and clip-lock terminals for a secure fit.
The DFJ-30 is UL Listed, CSA Certified, CE Marked, and RoHS Compliant. These certifications indicate recognized safety, compatibility with international standards, and reduced risk during audits and installations. For regulated environments and cross-border projects, this certification suite streamlines procurement, customer acceptance, and warranty eligibility.
As a non-indicating Class J fuse, the DFJ-30 does not provide visual fault indication, which can influence maintenance planning. Plan for periodic functional checks and timely replacement after a fault event to avoid downstream damage. Use the provided UL/CSA listings to verify compatibility with your panel design, and maintain stock of DFJ-30 spare clips and holders to minimize panel downtime.