Bussmann FWP-20B High Speed Fuse

Product Description: Bussmann FWP-20B High Speed Fuse

Ultra-Fast Circuit Protection for Demanding Applications

The Bussmann FWP-20B High Speed Fuse delivers precision overcurrent protection in critical electrical systems, where rapid response and reliability are non-negotiable. Engineered for high-speed interruption, this fuse safeguards sensitive semiconductor components—such as diodes, thyristors, and IGBTs—from damaging short-circuits and overloads within milliseconds. Ideal for industrial power electronics, it combines Eaton’s Bussmann legacy of safety with cutting-edge performance.

Key Features

⚡️ Ultra-Rapid Operation: Reacts within microseconds to isolate faults before equipment damage occurs.
🛡️ High Breaking Capacity: Robust construction handles extreme fault currents (up to 200kA) without compromise.
🔥 Precision Protection: Optimized for 20A applications with low I²t values, minimizing energy let-through to protect semiconductors.
🌡️ Durable Design: Sand-filled ceramic body ensures thermal stability and arc suppression in harsh environments.
🔧 Easy Integration: Compact, bolt-mount form factor (FWP series) simplifies installation in panels, drives, and inverters.

Applications

• Industrial motor drives & variable frequency drives (VFDs)
• Renewable energy systems (solar inverters, wind converters)
• UPS systems and power rectifiers
• Railway traction controls
• Welding equipment

Technical Specifications

• Rated Current: 20A
• Voltage Rating: 700V AC/DC
• Interrupting Rating: 200 kA AC/DC
• Speed Classification: High-speed, semiconductor protection (gR/gS)
• Standards Compliance: IEC 60269-4, UL 248-14

Why Choose FWP-20B?

Trusted by engineers worldwide, the FWP-20B fuses offer predictable, maintenance-free protection to minimize downtime and extend equipment lifespan. For mission-critical circuits demanding fail-safe performance, Bussmann sets the benchmark.

📄 For full datasheets, certifications, and installation guides, visit the official Bussmann by Eaton portal.

`Protect with Precision. Perform with Confidence.