Why Choose the Mersen V083738 Protistor High-Speed Fuse?
The Mersen V083738, catalogue number FD20GC150V8T, is a high-speed cylindrical semiconductor fuse engineered to protect sensitive DC power electronic equipment against overloads and short-circuit faults. As part of the Mersen Protistor® 20 × 190 mm gR (gRC) 1500 V DC series, it is specifically designed for railway power systems, auxiliary circuits and demanding industrial DC applications requiring rapid fault interruption and dependable semiconductor protection.
Designed with low let-through energy and reduced power losses, the V083738 helps minimise thermal and mechanical stress on semiconductor devices during fault conditions. Its ceramic body, silver-plated copper ferrule terminals and integrated striker provide dependable long-term performance while allowing convenient fuse status indication for maintenance personnel.
With a rated current of 8 A, a 1500 V DC IEC voltage rating and a 60 kA DC breaking capacity, the V083738 is ideal for protecting converters, inverters, rectifiers, battery energy storage systems and railway auxiliary equipment operating in high-voltage DC environments.
Key Advantages
- High-speed gR semiconductor fuse for full-range DC protection.
- 8 A rated current for sensitive semiconductor applications.
- 1500 V DC IEC voltage rating.
- 60 kA DC breaking capacity for dependable fault interruption.
- Integrated striker indicator for fuse monitoring.
- Low I²t helps minimise semiconductor damage.
- Low power dissipation improves operating efficiency.
- Designed for demanding railway and industrial DC installations.
Key Features
- Mersen Protistor® high-speed fuse series.
- Manufacturer item number V083738.
- Catalogue number FD20GC150V8T.
- 8 A rated current.
- 1500 V DC IEC rated voltage.
- gR (gRC) utilisation characteristic.
- Integrated striker indication.
- 20 × 190 mm cylindrical fuse format.
- Silver-plated copper ferrule terminals.
- Clip mounting installation.
- RoHS compliant.
Reliable Protection for High-Voltage DC Equipment
High-speed semiconductor fuses are specifically designed to interrupt fault currents before excessive thermal energy can damage expensive power electronic components. Their rapid response helps reduce equipment downtime while extending the service life of converters, rectifiers, inverters and other semiconductor-based systems.
The Mersen V083738 combines a high 1500 V DC rating, compact cylindrical construction and integrated striker indication, making it suitable for railway power equipment, renewable energy installations, industrial DC converters and battery energy storage applications.
Typical Applications
- Railway traction and auxiliary circuits.
- Industrial DC converters.
- Power semiconductor protection.
- Rectifiers and inverters.
- Battery energy storage systems.
- Renewable energy power conversion.
- Industrial automation equipment.
- High-voltage DC distribution systems.
