Overview
The Bussmann FWH-600A is a high-speed semiconductor fuse engineered for demanding industrial and power electronics applications. The Bussmann FWH-600A high-speed fuse has been designed for the protection of semiconductors, power converters, rectifiers and reduced rated voltage starters from short circuits and overload conditions. This fast-acting fuse combines low energy let-through with exceptional DC performance for reliable circuit protection.
Key Features
- Rated at 600 Amps, 500 VAC/DC, with a 200kA switching capacity RMS symmetrical (50kA at 500 VDC)
- The Fast-acting bolted tag high speed fuse has excellent cycling capability and DC performance for instantly cutting off transient power surges.
- Featuring low energy let-through, low arc voltage with a low-watt loss
- Easy to install with the bolt-down terminals, the sensible option for eliminating loose connections and accidental sparks and ensuring your installation is as safe as possible.
- Blade-end connection type with stud mounting
- UL recognized and CSA certified for global compliance
Technical Specifications
- Current Rating: 600A RMS
- Voltage Rating: 500V AC and 500V DC
- Interrupting Capacity (AC): 200 kAIC at 500V AC
- Interrupting Capacity (DC): 50 kAIC at 500V DC
- Blow Characteristic: Fast Acting
- Fuse Size (Metric): 50.8 mm × 53 mm
- Fuse Size (Imperial): 2″ × 2.09″
- Connection Type: Blade end × blade end with stud mount
- Indicator: Non-indicating
- Watt Loss: 108 W
- Certifications: UL Recognized, CSA Certified, CE Marked, RoHS Compliant
Typical Applications
- Semiconductor and rectifier protection in power converters
- DC circuit protection in renewable energy and photovoltaic systems
- Motor starter and drive protection
- Industrial power supply systems
- High-current switched-mode power supplies
- Railway and traction power electronics
Compatibility & Replacements
Compatible With
- Eaton Bussmann series FWH fuse holders and clips
- Industrial control panels rated 500V AC/DC
- Power distribution systems with blade-terminal fuse configurations
- Semiconductor protection circuits
- Power converter and rectifier assemblies
Replaces / Drop-In Replacement For
- FWH-600A (direct equivalent)
- Cooper Bussmann FWH-600A
- Earlier Bussmann FWH-600A variants
Works With
- Blade-style fuse holders rated 500V DC/AC
- High-speed fuse coordination systems
- Industrial electrical protection schemes
- NFPA 70 and NEC compliant installations
