(Lot of 3) Bussmann Semiconductor Fuse FWH-400A – 400A 500V High-Speed Protection GHA-54

*Please read full description prior to purchase*

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SELLING "AS IS - WHERE IS" AS DESCRIBED

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Bussmann Semiconductor Fuse FWH-400A – 400A 500V High-Speed Protection

Ensure reliable protection for your sensitive power electronics with this genuine Bussmann FWH-400A high-speed semiconductor fuse. Designed for demanding industrial applications, this fuse delivers fast-acting performance to safeguard critical components from overcurrent and short-circuit conditions.

🔧 Key Features

• 400 Amp Current Rating – Ideal for high-power applications
• 500V AC / DC Rated – Suitable for both AC and DC circuits
• High-Speed / Fast-Acting – Provides rapid response to fault conditions, protecting semiconductors
• High Interrupting Capacity – Up to 200kA RMS AC and 50kA DC for superior fault protection
• Stud Mount / Blade End Design – Secure, reliable installation
• Compact Size – Approx. 1" x 4.34" form factor for easy integration
• Low Energy Let-Through – Minimizes damage to downstream components
• Non-Indicating Fuse – Simple, robust design

⚙️ Applications

• Semiconductor protection (diodes, SCRs, IGBTs)
• DC drives & power converters
• Industrial power distribution systems
• UPS systems and inverters
• Motor drives and control panels

📦 Product Details

• Brand: Bussmann / Eaton
• Model: FWH-400A
• Type: High-Speed Semiconductor Fuse
• Condition: Used / Removed from a functional system

💡 Why Choose This Fuse?

Bussmann FWH series fuses are engineered for ultra-fast response and high reliability, making them a trusted choice in industrial and commercial electrical systems where downtime and equipment damage must be minimized.

Note to buyer:

1. Review all photos carefully as they are part of the description per eBay policy.
2. Items that are untested, for parts or repair, or unknown condition are sold as is and are non-returnable.
3. Items are sold as pictured. If it is not shown in the pictures it doesn't come with the item (i.e. power cords, attachments, tooling, etc.)
4. Most listings at the end include a GH and then a number for example (GH119) OR (A19) it is an internal stock reference number and not part of the item's description.

Thanks, GearheadSurplus

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