Bussmann FWP-125A High Speed Fuse

Engineered for Precision Protection in High-Performance Circuits

Overview

The Bussmann FWP-125A High Speed Fuse delivers ultra-rapid circuit protection for sensitive electronic and electrical systems. Designed with a 125 Amp rating, this fuse interrupts hazardous overcurrents in milliseconds, preventing costly damage to equipment while ensuring operational continuity. Ideal for safeguarding semiconductor devices, industrial drives, and power converters.

Key Features

• Ultra-Fast Response: Clears fault currents within 1-2 milliseconds, minimizing energy let-through and component stress.
• High Interrupting Rating: 200 kA at 700V AC/DC for robust short-circuit protection in demanding environments.
• Precision Engineering: Sand-filled ceramic body ensures stable performance, arc quenching, and vibration resistance.
• Wide Compatibility: Compatible with standard 10x38mm fuse holders; rated for 700V AC/DC applications.
• Reliable Safety: Current-limiting design prevents arc flashes and contains failures within the fuse body.

Applications

• Semiconductor protection (diodes, thyristors, IGBTs)
• Motor drives and variable frequency drives (VFDs)
• Renewable energy inverters and UPS systems
• Industrial power supplies and rectifiers
• Railway traction and EV charging systems

Specifications

• Current Rating: 125A
• Voltage Rating: 700V AC/DC
• Interrupting Capacity: 200,000A
• Body Size: 10mm diameter × 38mm length
• Standards Compliance: IEC 60269-4, UL 248-14

Why Choose Bussmann?

Backed by Eaton’s global engineering expertise, the FWP series fuses combine cutting-edge protection with unmatched reliability. Trusted by OEMs worldwide for critical infrastructure, they ensure system integrity and reduce downtime.

Optimize safety. Maximize uptime.

*Note: Always verify compatibility with local electrical codes and equipment specifications before installation.*