BUSSMANN Semiconductor Fuse: FWX Series, Fast-Acting, 20 A, 250 V AC, 250 V DC DC Volt Rating

The BUSSMANN FWX-20A14F is a fast-acting cylindrical fuse used to protect power semiconductors such as diodes, thyristors, and IGBTs in AC/DC circuits. It is commonly applied in industrial drives, power supplies, and UPS systems where rapid overcurrent interruption is critical to prevent component damage.

The BUSSMANN FWX-20A14F is a fast-acting, non-indicating semiconductor fuse rated at 20 A, 250 V AC, and 250 V DC. It belongs to the FWX series and has a cylindrical body. The manufacturer part number is FWX-20A14F. It is designed for AC/DC voltage applications and provides reliable overcurrent protection.

You can source the BUSSMANN FWX-20A14F 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; we supply genuine BUSSMANN components to industrial customers internationally.

To select the correct BUSSMANN FWX series fuse, match the voltage rating (AC and DC) to your circuit voltage, and choose a current rating that exceeds the normal operating current by 25–50%. Ensure the fuse is fast-acting for semiconductor protection. Verify dimensions and mounting style fit your holder. Consult the FWX series datasheet for time-current curves.