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BUSSMANN FWX-70A Fast-Acting Bolt-On Fuse - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN FWX-70A Fast-Acting Bolt-On Fuse

The BUSSMANN FWX Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, MPN FWX-70A, is rated for 70 A at 250 V AC and 250 V DC, with a non-indicating design.

SKU 3G-OTH-27798

Also listed as: FWX70A · FWX 70A

Brand
BUSSMANN
Item
FWX-70A Fast-Acting Bolt-On Fuse
Part Number
FWX-70A
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:FWX-70ABUSSMANN
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FWX-70A
Series
FWX
Type
Fast-Acting, 70 A, Non-Indicating
AC
250 V
Voltage Type
AC/DC
DC DC Volt Rating
250 V

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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. This model, MPN FWX-70A, is rated for 70 A at 250 V AC and 250 V DC, with a non-indicating design.

Frequently Asked Questions

What is the BUSSMANN FWX-70A semiconductor fuse used for?

The BUSSMANN FWX-70A is a fast-acting bolt-on fuse used to protect power semiconductors, such as diodes and thyristors, in AC/DC circuits up to 250 V. It is common in industrial drives, power supplies, and UPS systems where rapid overcurrent interruption is critical to prevent component damage.

What are the specifications of the BUSSMANN FWX-70A fuse?

The BUSSMANN FWX-70A is a 70 A, fast-acting, non-indicating semiconductor fuse rated for 250 V AC and 250 V DC. It belongs to the FWX Series and has a bolt-on mounting style. The manufacturer part number is FWX-70A, and it is designed for AC/DC voltage applications.

Where to buy the BUSSMANN FWX-70A fuse worldwide?

3G Electric supplies the BUSSMANN FWX-70A fuse to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this fast-acting semiconductor fuse.

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., 70 A) to your circuit requirements. Ensure the fast-acting characteristic aligns with the inrush current of your semiconductor load. Consult the fuse's time-current curve for coordination with upstream protection.

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
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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.

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