The FWH-500A is a 500-amp high-speed fuse designed to protect power semiconductors like IGBTs, SCRs, and diodes in high-power AC and DC applications. It provides rapid fault clearing and limits let-through energy to safeguard sensitive electronic components.
- Current Rating: 500 A
- Voltage Rating: 500 V AC / 500 V DC
- Interrupting Capacity: 200,000 A at AC voltage, 50,000 A at DC voltage
- Type: High-speed, fast-acting, single-element
- Mounting Style: Bolt-on stud terminals
- Body Dimensions: Approximately 50.8 mm diameter × 110 mm length
- Construction: Ceramic/fiberglass cartridge with blade terminals
- Melting I²t: Approximately 29,200 A²s
- Power Loss: Around 84 W at rated current
- Indicator: Non-indicating design (external monitoring recommended)
