Bussmann FWJ-50A Edison High Speed Fuse

Bussmann FWJ-50A Edison High Speed Fuse

Ultra-Fast Protection for Critical Electronics
The Bussmann FWJ-50A is a premium high-speed fuse engineered to safeguard sensitive semiconductor equipment and electronic circuits. Part of Eaton’s trusted Bussmann series, it delivers precise overcurrent protection with exceptional speed—interrupting fault currents in milliseconds to prevent catastrophic damage to diodes, thyristors, and other voltage-sensitive components.

Key Features:

• 50 Amp Current Rating: Optimized for medium-power applications requiring reliable overcurrent defense.
• Ultra-Rapid Response: Clears faults within 1/10th of an AC cycle (≤1 millisecond) to minimize energy let-through.
• High Interrupt Capacity: 200,000 AIC (Amperes Interrupting Capacity) ensures safety in high-short-circuit conditions.
• Edison Base Design: Standard screw-in base (E39) for effortless installation in compatible fuse holders or panels.
• Sand-Filled Construction: Quartz sand arc quenching enables consistent performance and fault containment.
• Robust Housing: Ceramic body with durable end caps resists thermal stress and mechanical shock.
• Compliance Certified: Meets UL 248-14, CSA, and IEC standards for global reliability.

Typical Applications:

• Industrial motor drives & VFDs (Variable Frequency Drives)
• Power rectifiers and inverters
• Renewable energy systems (solar/wind converters)
• UPS (Uninterruptible Power Supplies) and battery banks
• Semiconductor manufacturing equipment

Why Choose This Fuse?
With its industry-leading response time and Eaton Bussmann’s legacy of electrical safety, the FWJ-50A provides critical protection where conventional fuses fall short. Engineered to prevent costly downtime and component failure, it’s the gold standard for mission-critical electronics in harsh environments.

Part of Eaton’s Bussmann™ Series FWJ (Edison High-Speed Fuses)

*Note: Specifications based on FWJ series datasheet standards. Verify exact dimensions/ratings via official documentation for application-specific requirements.*