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BUSSMANN Semiconductor Fuse: FWA Series, Fast-Acting, 250 A, 150 V AC - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Semiconductor Fuse: FWA Series, Fast-Acting, 250 A, 150 V AC

The BUSSMANN FWA Series Semiconductor Fuse is a fast-acting cylindrical fuse designed for AC/DC circuit protection. This model, part number FWA-250ASI4, is rated for 250 A at 150 V AC and 150 V DC. It provides…

SKU 3G-OTH-27127

Also listed as: FWA250ASI4 · FWA 250ASI4

Brand
BUSSMANN
Item
Semiconductor Fuse: FWA Series, Fast-Acting, 250 A, 150 V AC
Category
Fast-Acting Cylindrical Fuses
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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
FWA-250ASI4
Series
FWA
Type
Fast-Acting, 250 A
AC
150 V
Voltage Type
AC/DC
DC DC Volt Rating
150 V

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

Product Description

The BUSSMANN FWA Series Semiconductor Fuse is a fast-acting cylindrical fuse designed for AC/DC circuit protection. This model, part number FWA-250ASI4, is rated for 250 A at 150 V AC and 150 V DC. It provides overcurrent protection for power electronic applications.

Frequently Asked Questions

What is the BUSSMANN FWA-250ASI4 semiconductor fuse used for?

The BUSSMANN FWA-250ASI4 is a fast-acting cylindrical fuse used for overcurrent protection in power electronic applications such as variable frequency drives, rectifiers, and UPS systems. It protects sensitive semiconductor devices from short circuits and overloads in AC/DC circuits up to 150 V.

What are the specifications of the BUSSMANN FWA-250ASI4 fuse?

The BUSSMANN FWA-250ASI4 is a 250 A, fast-acting semiconductor fuse from the FWA series. It is rated for 150 V AC and 150 V DC. The cylindrical body is designed for bolt-in mounting. This fuse provides reliable overcurrent protection for power electronics.

Where to buy the BUSSMANN FWA-250ASI4 fuse worldwide?

You can source the BUSSMANN FWA-250ASI4 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 fast-acting semiconductor fuse.

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

To select the correct BUSSMANN FWA series fuse, match the voltage rating (150 V AC/DC) and current rating (250 A) to your circuit requirements. Ensure the fuse's interrupting rating exceeds the available fault current. Consult the manufacturer's data sheet for time-current curves and I²t values.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

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

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