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BUSSMANN Semiconductor Fuse: FWA Series, Fast-Acting, 40 A, 150 V AC, 150 V DC DC Volt Rating - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Semiconductor Fuse: FWA Series, Fast-Acting, 40 A, 150 V AC, 150 V DC DC Volt Rating

The BUSSMANN FWA Series is a fast-acting cylindrical fuse designed for semiconductor protection. This specific model, the FWA-40A21F, is rated for 40 A at 150 V AC and 150 V DC, with a non-indicating design. It…

SKU 3G-OTH-26939

Brand
BUSSMANN
Item
Semiconductor Fuse: FWA Series, Fast-Acting, 40 A, 150 V AC, 150 V DC DC Volt Rating
Category
Fast-Acting Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FWA-40A21F
Series
FWA
Type
Fast-Acting, 40 A, Non-Indicating
AC
150 V
Voltage Type
AC/DC
DC DC Volt Rating
150 V
View Full Spec Sheet

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

Product Description

The BUSSMANN FWA Series is a fast-acting cylindrical fuse designed for semiconductor protection. This specific model, the FWA-40A21F, is rated for 40 A at 150 V AC and 150 V DC, with a non-indicating design. It operates as a fast-acting fuse for AC/DC voltage applications.

Frequently Asked Questions

What is the BUSSMANN FWA-40A21F fuse used for?

The BUSSMANN FWA-40A21F is a fast-acting cylindrical fuse designed to protect semiconductor devices such as diodes, thyristors, and IGBTs from overcurrent. It is commonly used in power supplies, drives, and industrial equipment where precise, rapid interruption of fault currents is required.

What are the specifications of the BUSSMANN FWA-40A21F fuse?

The BUSSMANN FWA-40A21F is rated for 40 A at 150 V AC and 150 V DC. It is part of the FWA Series, features a fast-acting response, and has a non-indicating design. The voltage type is AC/DC, and the manufacturer part number is FWA-40A21F.

Where to buy the BUSSMANN FWA-40A21F fuse worldwide?

You can source the BUSSMANN FWA-40A21F 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 my application?

To select the correct BUSSMANN FWA series fuse, match the voltage rating (AC/DC) and current rating to your circuit requirements. The FWA-40A21F is rated for 40 A at 150 V AC/DC. Ensure the fuse's interrupting rating exceeds the available fault current. Consult the manufacturer's data sheet for time-current curves.

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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