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BUSSMANN Semiconductor Fuse: FWH Series, Fast-Acting, 70 A, 500 V AC, 500 V DC DC Volt Rating - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN Semiconductor Fuse: FWH Series, Fast-Acting, 70 A, 500 V AC, 500 V DC DC Volt Rating

The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-70A) is a fast-acting bolt-on fuse rated at 70 A, 500 V AC, and 500 V DC. This non-indicating fuse is designed for AC/DC voltage applications and is part of the FWH…

SKU 3G-OTH-27777

Brand
BUSSMANN
Item
Semiconductor Fuse: FWH Series, Fast-Acting, 70 A, 500 V AC, 500 V DC DC Volt Rating
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FWH-70A
Series
FWH
Type
Fast-Acting, 70 A, Non-Indicating
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V
View Full Spec Sheet

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-70A) is a fast-acting bolt-on fuse rated at 70 A, 500 V AC, and 500 V DC. This non-indicating fuse is designed for AC/DC voltage applications and is part of the FWH series.

Frequently Asked Questions

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

The BUSSMANN FWH-70A is a fast-acting bolt-on fuse designed to protect power semiconductors such as diodes, thyristors, and IGBTs in AC/DC circuits. It is commonly used in industrial drives, power supplies, and UPS systems where precise overcurrent protection is required to prevent damage to sensitive components.

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

The BUSSMANN FWH-70A is part of the FWH series, rated at 70 A with a voltage rating of 500 V AC and 500 V DC. It is a non-indicating, fast-acting bolt-on fuse designed for AC/DC voltage applications. The manufacturer part number is FWH-70A, and it is manufactured by BUSSMANN.

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

3G Electric supplies the BUSSMANN FWH-70A fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to support your industrial maintenance or project needs.

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

To select the correct BUSSMANN FWH series fuse, match the voltage rating (AC/DC) and current rating to your circuit requirements. The FWH-70A is rated at 70 A and 500 V AC/DC. Ensure the bolt-on mounting style fits your fuse holder. Consult the manufacturer's data sheet for interrupting rating and I²t values to confirm coordination with your semiconductor protection needs.

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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