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BUSSMANN FWA-50A21F Fast-Acting Cylindrical Fuse - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN FWA-50A21F Fast-Acting Cylindrical Fuse

The BUSSMANN FWA Series Semiconductor Fuse is a fast-acting cylindrical fuse designed for AC/DC circuit protection. This specific model, MPN FWA-50A21F, is rated for 50 A at 500 V AC and 500 V DC, and is…

SKU 3G-OTH-27025

Also listed as: FWA50A21F · FWA 50A21F

Brand
BUSSMANN
Item
FWA-50A21F Fast-Acting Cylindrical Fuse
Category
Fast-Acting Cylindrical Fuses
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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
FWA-50A21F
Series
FWA
Type
Fast-Acting, 50 A, Non-Indicating
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

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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 specific model, MPN FWA-50A21F, is rated for 50 A at 500 V AC and 500 V DC, and is non-indicating. It provides overcurrent protection for power electronic applications.

Frequently Asked Questions

What is the BUSSMANN FWA-50A21F semiconductor fuse used for?

The BUSSMANN FWA-50A21F 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 500 V.

What are the specifications of the BUSSMANN FWA-50A21F fuse?

The BUSSMANN FWA-50A21F is a 50 A, 500 V AC and 500 V DC rated semiconductor fuse from the FWA Series. It is fast-acting, non-indicating, and cylindrical in shape. The voltage type is AC/DC, and the manufacturer part number is FWA-50A21F.

Where to buy the BUSSMANN FWA-50A21F fuse worldwide?

You can source the BUSSMANN FWA-50A21F fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. 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-50A21F is rated 50 A at 500 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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