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BUSSMANN Semiconductor Fuse: FWH Series, Fast-Acting, 125 A, 500 V AC - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN Semiconductor Fuse: FWH Series, Fast-Acting, 125 A, 500 V AC

The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-125B) is a fast-acting bolt-on fuse rated at 125 A, 500 V AC, and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-25673

Brand
BUSSMANN
Item
Semiconductor Fuse: FWH Series, Fast-Acting, 125 A, 500 V AC
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FWH-125B
Series
FWH
Type
Fast-Acting, 125 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V
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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-125B) is a fast-acting bolt-on fuse rated at 125 A, 500 V AC, and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic applications.

Frequently Asked Questions

What is the BUSSMANN FWH-125B semiconductor fuse used for?

The BUSSMANN FWH-125B is a fast-acting bolt-on fuse used for overcurrent protection in power electronic applications such as variable frequency drives, UPS systems, and rectifiers. It safeguards sensitive semiconductor devices by clearing faults rapidly, preventing damage from short circuits or overloads in AC/DC circuits up to 500 V.

What are the specifications of the BUSSMANN FWH-125B fuse?

The BUSSMANN FWH-125B is part of the FWH Series, rated at 125 A with a voltage rating of 500 V AC and 500 V DC. It is a fast-acting, bolt-on type fuse designed for AC/DC voltage systems. The manufacturer part number is FWH-125B, and it is built for reliable overcurrent protection in industrial power electronics.

Where to buy the BUSSMANN FWH-125B fuse worldwide?

You can source the BUSSMANN FWH-125B 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 provide competitive pricing and reliable sourcing for this fast-acting semiconductor fuse.

How to select the correct BUSSMANN FWH series fuse for an application?

To select the correct BUSSMANN FWH series fuse, match the voltage rating (500 V AC/DC) and current rating (125 A for FWH-125B) to your circuit requirements. Ensure the fast-acting characteristic suits semiconductor protection needs. Verify bolt-on mounting compatibility and consult the fuse's I²t value for coordination with upstream devices. 3G Electric can assist with selection guidance.

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 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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