Bussmann FWJ-500A Semiconductor Fuse

SKU: D364636F

$1,244.32

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Description

Bussmann FWJ-500A Semiconductor Fuse

Ultra-Fast Protection for Critical Electronics

Engineered for precision protection in high-stakes applications, the Bussmann FWJ-500A is a 500-amp semiconductor fuse designed to safeguard sensitive electronics like IGBTs, thyristors, and diodes. With its ultra-rapid response to overloads and short circuits, it minimizes equipment damage and downtime in industrial power systems.

Key Features:

  • High Interrupt Rating: Reliably interrupts fault currents up to 200 kA at 700V AC/DC.
  • Low I²t Value: Limits energy let-through to protect delicate semiconductor components.
  • Voltage Rating: 700V AC/DC for versatile use in motor drives, UPS systems, and inverters.
  • Time-Current Performance: Extremely fast-acting (sub-millisecond response) to isolate faults before catastrophic failure.
  • Robust Construction: Sand-filled ceramic body with silver-plated end caps ensures arc quenching and stable conductivity.
  • Standards Compliance: Meets IEC 60269-4 and UL 248-14 for global safety assurance.

Ideal For:

  • Variable-frequency drives (VFDs)
  • Renewable energy converters
  • Industrial automation controls
  • Welding equipment
  • Rail traction systems

Trusted by engineers worldwide, the FWJ-500A delivers uncompromising protection where milliseconds matter. Reduce maintenance costs and extend equipment lifespan with Eaton’s Bussmann innovation.

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Shipping and Returns
Returns are easy You may return items within 30 days of delivery for a refund. View our return policy FREE Shipping on orders over $49. Eaton Bussmann Fuse Relay Online Sales Store offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Same Day Shipping We strive to ship out your items within one business day. In rare circumstances, Eaton Bussmann Fuse Relay Online Sales Store may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
1-Year Warranty
Eaton Bussmann's fuses and relays for sale are brand new and come with a 1-year comprehensive warranty. Rest assured, all products are authentic OEM (original equipment manufacturer).