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BUSSMANN Semiconductor Fuse: FWJ Series, Fast-Acting, 500 A, 1,000 V AC - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN Semiconductor Fuse: FWJ Series, Fast-Acting, 500 A, 1,000 V AC

The BUSSMANN FWJ Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWJ-500A model is rated for 500 A, with a voltage rating of 1,000 V AC and 800 V DC.

SKU 3G-OTH-26662

Also listed as: FWJ500A · FWJ 500A

Brand
BUSSMANN
Item
Semiconductor Fuse: FWJ Series, Fast-Acting, 500 A, 1,000 V AC
Category
Fast-Acting Bolt-On Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
FWJ-500A
Series
FWJ
Type
Fast-Acting, 500 A
AC
1,000 V
Voltage Type
AC/DC
DC DC Volt Rating
800 V

Technical Documents

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

Product Description

The BUSSMANN FWJ Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The FWJ-500A model is rated for 500 A, with a voltage rating of 1,000 V AC and 800 V DC.

Frequently Asked Questions

What is the BUSSMANN FWJ-500A semiconductor fuse used for?

The BUSSMANN FWJ-500A is a fast-acting bolt-on fuse used to protect power semiconductors in AC/DC circuits. It is rated for 500 A, 1,000 V AC, and 800 V DC, making it suitable for industrial drives, inverters, and power supplies where rapid overcurrent interruption is critical.

What are the specifications of the BUSSMANN FWJ-500A fuse?

The BUSSMANN FWJ-500A is a fast-acting semiconductor fuse from the FWJ Series. It has a current rating of 500 A, an AC voltage rating of 1,000 V, and a DC voltage rating of 800 V. It is a bolt-on type for secure mounting in high-power AC/DC applications.

Where to buy the BUSSMANN FWJ-500A fuse worldwide?

3G Electric supplies the BUSSMANN FWJ-500A fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this fast-acting semiconductor fuse.

How to select the right BUSSMANN FWJ series fuse for my application?

To select the correct BUSSMANN FWJ series fuse, match the continuous current rating (e.g., 500 A) and voltage rating (1,000 V AC / 800 V DC) to your circuit requirements. Ensure the fuse's interrupting rating exceeds the available fault current. Consult the manufacturer's data sheet for time-current curves.

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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