BUSSMANN FWH-400A High-Speed Fuse – 400A, 500V AC/DC, 750V Rated
The BUSSMANN FWH-400A is a high-performance, fast-acting fuse designed for the protection of sensitive power electronics in demanding applications such as electric vehicles (EVs), battery packs, inverters, and DC drives.
Part of the FWH series, this fuse delivers reliable overcurrent protection with high interrupt ratings and excellent DC performance.
Technical Specifications:
- Current Rating: 400 Amps (RMS)
-
Voltage Rating:
- 750V AC / 750V DC (Rated)
-
Tested Interrupt Rating:
- 200 kAIC @ 1000V AC
- 50 kAIC @ 500V DC
- Fuse Type: Fast-acting (High-Speed)
- Mounting: Bolt-on / Stud mount
- Compliance: UL Recognized, CSA, CE
Worldwide Shipping
Fellten offers worldwide shipping through trusted carriers including UPS, DHL, and pallet freight services. Whether you're a professional installer or a classic car enthusiast, we ensure your order is packed securely and delivered efficiently.
We are fully certified to ship dangerous goods, including lithium-ion batteries, in compliance with all international regulations.
For UK orders, most in-stock items are eligible for next working day delivery if placed before 12:00 PM. Orders placed after this time will be shipped on the next working day. Please note that all delivery estimates are stock-dependent, and you will be notified if any delays are expected.
Shipping costs are calculated at checkout based on your location and order details, so you’ll always have clear and accurate pricing before completing your purchase.
Payments are securely processed using Stripe. We accept all major credit and debit cards.