We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
BUSSMANN FWX-350A Fast-Acting Bolt-On Fuse - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN FWX-350A Fast-Acting Bolt-On Fuse

The BUSSMANN FWX Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWX-350A model is rated for 350 A at 250 V AC and 250 V DC. This fuse provides overcurrent protection for…

SKU 3G-OTH-28029

Also listed as: FWX350A · FWX 350A

Brand
BUSSMANN
Item
FWX-350A Fast-Acting Bolt-On Fuse
Part Number
FWX-350A
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:FWX-350ABUSSMANN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FWX-350A
Series
FWX
Type
Fast-Acting, 350 A
AC
250 V
Voltage Type
AC/DC
DC DC Volt Rating
250 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN FWX Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWX-350A model is rated for 350 A at 250 V AC and 250 V DC. This fuse provides overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the BUSSMANN FWX-350A semiconductor fuse used for?

The BUSSMANN FWX-350A 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 safeguards sensitive semiconductor devices by quickly clearing faults in AC or DC applications up to 250 V.

What are the specifications of the BUSSMANN FWX-350A fuse?

The BUSSMANN FWX-350A is part of the FWX Series, rated 350 A at 250 V AC and 250 V DC. It is a fast-acting bolt-on fuse designed for semiconductor protection. The manufacturer part number is FWX-350A, and it handles both AC and DC voltage types.

Where to buy the BUSSMANN FWX-350A fuse worldwide?

3G Electric supplies the BUSSMANN FWX-350A fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.

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

To select the correct BUSSMANN FWX series fuse, match the voltage rating (250 V AC/DC) and current rating (e.g., 350 A) to your circuit requirements. Ensure the fast-acting characteristic suits semiconductor protection. Consult the fuse's I²t value and mounting style (bolt-on) for proper coordination.

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.
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from BUSSMANN

View all BUSSMANN parts
Fast-acting bolt-on fuse rated 70 A at 600 V AC, designed for AC-only circuits. Provides overcurrent protection for semiconductor devices such as diodes, thyristors, and IGBTs. Suitable for use in industrial power supplies, motor drives, and UPS systems where rapid fault current interruption is required
BUSSMANN
Fast-acting bolt-on fuse rated 70 A at 600 V AC, designed for AC-only circuits. Provides overcurrent protection for semiconductor devices such as diodes, thyristors, and IGBTs. Suitable for use in industrial power supplies, motor drives, and UPS systems where rapid fault current interruption is required
Fast-acting, non-indicating bolt-on fuse rated 70 A at 250 V AC/DC. Designed for overcurrent protection of power semiconductors in industrial drives, power supplies, and UPS systems
BUSSMANN
Fast-acting, non-indicating bolt-on fuse rated 70 A at 250 V AC/DC. Designed for overcurrent protection of power semiconductors in industrial drives, power supplies, and UPS systems
Class L, KTU Series fast-acting bolt-on fuse rated 1.6 kA, 600 V AC, 340 V DC. Provides overcurrent protection in industrial switchboards, panelboards, and motor control centers requiring high interrupting capacity and fast response
BUSSMANN
Class L, KTU Series fast-acting bolt-on fuse rated 1.6 kA, 600 V AC, 340 V DC. Provides overcurrent protection in industrial switchboards, panelboards, and motor control centers requiring high interrupting capacity and fast response
Fast-acting bolt-on fuse rated 400 A, 700 V AC and 700 V DC. Designed for overcurrent protection of power semiconductors in AC/DC circuits. Typical applications include variable frequency drives, UPS systems, and industrial power supplies
BUSSMANN
Fast-acting bolt-on fuse rated 400 A, 700 V AC and 700 V DC. Designed for overcurrent protection of power semiconductors in AC/DC circuits. Typical applications include variable frequency drives, UPS systems, and industrial power supplies
Fast-acting bolt-on fuse rated 400 A at 500 V AC and 500 V DC. Designed for overcurrent protection in power electronic applications such as variable frequency drives, rectifiers, and UPS systems. Clears faults rapidly to safeguard sensitive semiconductor devices
BUSSMANN
Fast-acting bolt-on fuse rated 400 A at 500 V AC and 500 V DC. Designed for overcurrent protection in power electronic applications such as variable frequency drives, rectifiers, and UPS systems. Clears faults rapidly to safeguard sensitive semiconductor devices

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first