BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN DFJ-90 Fast-Acting Bolt-On Fuse, Class J, 90 A, 600 V AC, 450 V DC

The BUSSMANN DFJ Series Fast-Acting Bolt-On Fuse (MPN DFJ-90) is a Class J fuse rated at 90 A, 600 V AC, and 450 V DC. It features a bolt-on body design for secure installation in industrial equipment.

SKU 3G-OTH-25140

Also listed as: DFJ90 · DFJ 90

Brand

BUSSMANN

Item

DFJ-90 Fast-Acting Bolt-On Fuse, Class J, 90 A, 600 V AC, 450 V DC

Part Number

DFJ-90

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

BUSSMANN

Manufacturer Part Number

DFJ-90 

Series

DFJ

Type

Class J, Bolt-On Body, Fast-Acting, 90 A 

600 V 

450 V 

Technical Documents

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BUSSMANN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the BUSSMANN DFJ-90 fuse used for?

The BUSSMANN DFJ-90 is a Class J fast-acting bolt-on fuse used for overcurrent protection in industrial equipment such as motor control centers, panelboards, and switchgear. It provides reliable short-circuit protection in circuits up to 600 V AC or 450 V DC.

What are the specifications of the BUSSMANN DFJ-90 fuse?

The BUSSMANN DFJ-90 is a 90 A, Class J fast-acting fuse with a bolt-on body. It is rated for 600 V AC and 450 V DC. The series is DFJ, and the manufacturer part number is DFJ-90. It is designed for secure installation in industrial power systems.

Where to buy the BUSSMANN DFJ-90 fuse worldwide?

You can source the BUSSMANN DFJ-90 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to install the BUSSMANN DFJ-90 bolt-on fuse?

To install the BUSSMANN DFJ-90, ensure the circuit is de-energized. Align the fuse with the bolt-on mounting points and tighten securely using the appropriate torque. Verify the fuse rating matches the circuit requirements. Follow standard industrial safety practices for fuse replacement.

Used in

Common applications for BUSSMANN

Industrial drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.

Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.

Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.

Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.

Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.

Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.

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BUSSMANN Products

3G Electric supplies BUSSMANN fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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