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BUSSMANN FWJ-250A Fast-Acting Bolt-On Fuse, 250 A, 1000 V AC, 800 V DC - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN FWJ-250A Fast-Acting Bolt-On Fuse, 250 A, 1000 V AC, 800 V DC

The BUSSMANN FWJ Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWJ-250A model is rated for 250 A, with a voltage rating of 1,000 V AC and 800 V DC. This fuse provides…

SKU 3G-OTH-26026

Also listed as: FWJ250A · FWJ 250A

Brand
BUSSMANN
Item
FWJ-250A Fast-Acting Bolt-On Fuse, 250 A, 1000 V AC, 800 V DC
Part Number
FWJ-250A
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:FWJ-250ABUSSMANN
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FWJ-250A
Series
FWJ
Type
Fast-Acting, 250 A
AC
1,000 V
Voltage Type
AC/DC
DC DC Volt Rating
800 V

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FWJ Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWJ-250A model is rated for 250 A, with a voltage rating of 1,000 V AC and 800 V DC. This fuse provides overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the BUSSMANN FWJ-250A semiconductor fuse used for?

The BUSSMANN FWJ-250A is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, rectifiers, and UPS systems. It handles AC/DC applications up to 1,000 V AC and 800 V DC, safeguarding sensitive semiconductor devices from short circuits and overloads.

What are the specifications of the BUSSMANN FWJ-250A fuse?

The BUSSMANN FWJ-250A is part of the FWJ Series, rated at 250 A with a voltage rating of 1,000 V AC and 800 V DC. It is a fast-acting, bolt-on type fuse designed for AC/DC applications. The manufacturer part number is FWJ-250A, and it provides reliable overcurrent protection for power electronics.

Where to buy the BUSSMANN FWJ-250A fuse worldwide?

You can source the BUSSMANN FWJ-250A 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 times; we supply genuine BUSSMANN components for power protection needs.

How to select the correct BUSSMANN FWJ series fuse for an application?

To select the correct BUSSMANN FWJ series fuse, match the continuous current rating (e.g., 250 A) to your circuit's load, and ensure the voltage rating (1,000 V AC or 800 V DC) exceeds your system voltage. Consider the fast-acting characteristic for semiconductor protection. Consult the fuse's time-current curve and mounting style (bolt-on) for proper fit.

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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