HS300-500
300A 500V high-speed fuse for high-power IGBT protection with 150kA breaking capacity and ultra-low I2t.
Product Overview
Description
The HS300-500 is a high-current high-speed fuse designed for high-power semiconductor protection in large power converters.
With 300A current rating and ultra-fast acting characteristics, this fuse provides robust protection for high-power IGBT modules.
The 150kA breaking capacity ensures reliable interruption of severe fault currents in high-power industrial applications.
Product Series
HS
Primary Application
High-power IGBT module protection
Key Features
- High-current 300A rating for large power converters
- Ultra-fast acting for semiconductor protection
- 150kA breaking capacity for high-power systems
- Size 3 footprint for high-current applications
- Bolt-on mounting with M12 terminals
- Wide temperature range for industrial use
Specifications
| Voltage Rating | 500V AC/DC |
|---|---|
| Current Rating | 300A |
| Breaking Capacity | 150kA @ 500V |
| I2t Value | Low I2t for semiconductor protection |
| Size | Size 3 (76mm) |
| Mounting | Bolt-on M12 terminals |
| Operating Temperature | -40°C to +125°C |
| Time-Current | Ultra-fast acting |
| Standards | IEC 60269-4, UL Recognized |
Applications
High-power IGBT module protection
Electronic system design
Large motor drive protection
Motor drive and control systems
High-power UPS systems
Electronic system design
Industrial power converters
Power conversion and supply
Traction drive protection
Motor drive and control systems
FAE Expert Insights
"The HS300-500 is my recommendation for high-power applications above 150kW. The 300A rating handles large IGBT modules commonly used in industrial drives and traction applications. The Size 3 body provides adequate thermal management for continuous 300A operation. I always ensure customers verify their cooling system can handle the fuse power dissipation at full current. For applications above 300A, consider parallel fuses or the larger PC series."
High-current 300A rating ideal for large industrial drives and traction systems
— Michael Zhang, BeiLuo
Frequently Asked Questions
What is the power dissipation of the HS300-500 at rated current?
The HS300-500 has typical power dissipation of 25-30W at rated 300A current. This must be considered in thermal design - ensure adequate heat sinking and ventilation in the fuse compartment. The fuse holder should be mounted on a thermally conductive surface.
Account for 25-30W power dissipation in thermal design. Ensure adequate cooling.