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Cylindrical fuse, melamine body, silver end caps

Bussmann

Bussmann DFJ-30 J Class Fuse 30A 600V AC

SKU CH-D2G0-B1RGE

A fast-acting Class J fuse rated 30 A at 600 V AC with a 200 kA interrupt rating

  • Fast-acting protection clears faults quickly
  • 30 A rating matches common circuit requirements
  • 600 V AC and 450 V DC ratings cover industrial voltage levels
  • 200 kA interrupt rating at 600 V AC handles high fault currents
  • Cylindrical Class J design fits standard CH30J and JM600 fuse blocks

Application Suitability

The Bussmann DFJ-30 is a Class J fast-acting fuse rated for 30 amps at 600 volts AC and 450 volts DC. It suits industrial panels, motor circuits and generator installations that require high interrupt ratings of 200kA at 600V AC and 100kA at 450V DC. Buyers needing indication features or a different ampere rating should look at other options.

Electrical Compatibility

This cylindrical fuse fits non-rejection style fuse blocks such as the CH30J, JM600, JP600, JT600 and JTN600 series. Its melamine body and single-element design meet UL Class J standards for fast-acting overcurrent protection. Installations requiring rejection-style blocks or time-delay characteristics will need a different fuse class.

Critical Specification

The decisive figure is the 30 ampere rating combined with the 600 volt AC / 450 volt DC voltage rating and the Class J form factor. Match these values exactly to your circuit design and fuse block series to ensure proper overcurrent protection and safe operation.

Highlights

  • Fast-acting protection clears faults quickly
  • 30 A rating matches common circuit requirements
  • 600 V AC and 450 V DC ratings cover industrial voltage levels
  • 200 kA interrupt rating at 600 V AC handles high fault currents
  • Cylindrical Class J design fits standard CH30J and JM600 fuse blocks

Specifications

BrandEATON BUSSMANN

Questions about this item

What comes in the box and do I need a separate fuse block?

The package contains the DFJ-30 fuse only. A compatible Class J fuse block such as the CH30J, JM600, JP600, JT600 or JTN600 series must be purchased separately if one is not already installed.

Which version of the DFJ series should I choose for a 30 A, 600 V AC circuit?

Select the DFJ-30 model; it is rated 30 A at 600 V AC and 450 V DC with a 200 kA AC interrupt rating, matching those circuit requirements.

What does the 200 kA interrupt rating mean when the fuse is installed?

It means the fuse can safely break a fault current up to 200 kA at 600 V AC without rupturing, protecting downstream equipment during a short-circuit event.

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