Overview
The Bussmann FWX20A is a 20-ampere ferrule-style semiconductor fuse engineered for fast-acting overcurrent protection in industrial electrical systems. As part of the Bussmann FWX series, this fuse delivers high-speed performance with reliable breaking capacity, making it suitable for semiconductor equipment protection and precision electronic circuits where consistent, repeatable protection is essential. The white ceramic construction ensures easy visual identification and inspection.
Key Features
- 20A rated current for precise overcurrent protection
- Ferrule-style cartridge design for standard fuse holders
- Fast-acting response for equipment safety
- High cycling capability and reliable DC performance
- UL and CE approved for industrial and commercial use
- Box of 8 units for immediate replacement inventory
Technical Specifications
The Bussmann FWX20A meets industry standards for semiconductor protection and electrical safety applications. Key specifications include rated amperage, ferrule cartridge construction, and ceramic housing suitable for standard fuse mounting hardware.
Typical Applications
- Semiconductor manufacturing equipment protection
- Industrial control circuits and power distribution
- Commercial electrical systems requiring fast-acting protection
- Equipment with sensitive electronics requiring precision overcurrent control
- Replacement stock for existing Bussmann FWX20A installations
Compatibility & Replacements
Compatible With
- Standard ferrule-style fuse holders (0.56″ diameter)
- Industrial electrical systems rated for 20A protection
- Equipment designed for FWX-series fuse compatibility
- Semiconductor test and manufacturing systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or equipment manufacturer before ordering. The FWX20A is designed as a direct replacement for existing Bussmann FWX20A installations.
Works With
- Standard IEC and UL fuse holder assemblies
- Industrial control panels and distribution equipment
- Semiconductor protection circuits
- High-speed switching applications requiring fast fuse response
