BUSSMANN Semiconductor Fuse: FWA Series, Fast-Acting, 50 A, 500 V AC, 500 V DC DC Volt Rating
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
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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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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.
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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.















