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Eaton Bussmann DFJ-30 High Speed Class J Current-Limiting Drive Fuse

SKU: N101677
Model: DFJ-30
Product Condition: New
$19.95

The Eaton Bussmann DFJ-30 is a 30A Class J high speed, current-limiting drive fuse designed to protect AC and DC drives and power semiconductor devices. Rated up to 600 Vac and 450 Vdc, it provides very low I²t let-through energy and high interrupting capacity for demanding industrial applications.

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Bussmann Circuit Protection Electrical Components
Product Description

Eaton Bussmann DFJ-30 Class J High Speed Drive Fuse

The Eaton Bussmann series DFJ-30 is a Class J, high speed, current-limiting fuse intended for the protection of AC and DC drives and equipment using power semiconductor devices. It is designed to meet NEC® branch circuit protection requirements while limiting let-through energy during fault conditions.

High Speed Current Limitation

  • Designed for rapid fault interruption to protect sensitive semiconductor devices
  • Very low I²t characteristics to reduce thermal and mechanical stress
  • Current-limiting performance within standard Class J dimensions

Electrical Ratings and Construction

The DFJ-30 carries a 30 ampere rating with voltage capability up to 600 Vac and 450 Vdc. It features a melamine tube body with metallic end caps and is non-indicating by design, supporting reliable performance in industrial drive and controller applications.

Typical Applications

  • Protection of AC and DC motor drives
  • Equipment utilizing power semiconductor devices
  • Industrial controllers requiring Class J branch circuit protection
Specifications
Specifications
MPN DFJ-30
Product Condition New
Shipping Length (in.) 4
Shipping Width (In.) 4
Shipping Height (In.) 2
Item Returns This item can be returned
Attribute Specification
Manufacturer Eaton Bussmann
Series DFJ
Fuse Class Class J
Amperage Rating 30 A
Voltage Rating 600 Vac (max), 450 Vdc (max)
Interrupt Rating 200 kA RMS Sym. (AC), 100 kA DC
Type High speed, current limiting
Pre-arc I²t 20 A²·sec @ 600 Vac / 100 kA
Power Loss 5.5 W
Body Material Melamine tube
Indicator Non-indicating
Certifications UL Listed (UL 248-8), CSA Certified, CE, RoHS Compliant
Approximate Dimensions 0.81 in diameter Ă— 2.25 in length
What's in the box?
  • Eaton Bussmann DFJ-30 Class J high speed fuse (single fuse)
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