Bussmann FWJ-80A Semiconductor Fuse

Bussmann FWJ-80A Semiconductor Fuse

Precision Protection for Critical Electronics

Overview
The Bussmann FWJ-80A Semiconductor Fuse is a high-performance, fast-acting fuse engineered to safeguard sensitive semiconductor components—such as diodes, thyristors, and IGBTs—in demanding industrial and power conversion applications. With its 80A current rating, this fuse delivers ultra-rapid response to overloads and short circuits, preventing catastrophic damage to expensive equipment.

🔑 Key Features

• Ultra-Fast Response: Clears fault currents within milliseconds to protect delicate semiconductors from thermal damage.
• High Interrupting Rating: Withstands up to 200kA breaking capacity, ensuring reliability in high-power circuits.
• Voltage Compatibility: Rated for 700V AC/DC systems, ideal for inverters, drives, and rectifiers.
• Robust Construction: Ceramic body with precision-engineered silver element for stable performance under extreme conditions.
• Compliance: Meets international standards (UL 248-14, IEC 60269-4) for safety and interoperability.

⚡ Applications

• Motor drives and variable frequency drives (VFDs)
• Uninterruptible power supplies (UPS) and solar inverters
• Welding equipment and DC power systems
• Industrial rectifiers and traction systems

💡 Why Choose the FWJ-80A?

• Minimize Downtime: Prevents semiconductor failure, reducing costly production halts.
• Space-Efficient: Compact cylinder design fits densely packed control panels.
• Bussmann Reliability: Backed by Eaton’s legacy of circuit protection expertise.

Note: Always verify voltage/current requirements and consult datasheets for compatibility.

Optimal Protection. Zero Compromise.