Why Choose the Mersen N088378 High-Speed Semiconductor Fuse?
The Mersen N088378 is a high-performance Protistor® high-speed cylindrical fuse-link designed to protect sensitive semiconductor devices in demanding high-voltage DC systems. Identified by catalogue number FD20GC150V16T, it forms part of Mersen’s 20 × 190 mm gR (gRC) range developed specifically for railway power, auxiliary circuits and modern DC equipment.
This fuse-link provides extremely fast fault interruption and current-limiting performance, helping to minimise the electrical and thermal energy reaching protected components during a short circuit. Its low I²t characteristics, reduced watt losses and strong cycling capability support dependable operation and a long service life in demanding electrical environments.
With a rated current of 16 A, an IEC voltage rating of 1500 V DC and a robust 20 × 190 mm cylindrical body, the Mersen N088378 is suitable for railway traction equipment, high-voltage converters, rectifiers and industrial DC power systems. Its integrated striker provides clear fuse-operation indication for easier inspection and maintenance.
Key Advantages
- High-speed fuse-link designed for semiconductor protection.
- 16 A rated current for precise high-voltage DC circuit protection.
- 1500 V DC IEC voltage rating.
- Low I²t performance helps minimise damage to protected components.
- 60 kA DC interrupting capacity supports reliable fault clearance.
- Integrated mechanical striker simplifies fuse-status identification.
Key Features
- Mersen Protistor® semiconductor fuse range.
- FD20GC150V16T catalogue number.
- 16 A rated current.
- 1500 V DC rated voltage.
- gR high-speed semiconductor protection operating class.
- gRC cylindrical fuse design.
- Robust 20 × 190 mm fuse-link format.
- Maximum interrupting capacity of 60 kA DC.
- Integrated mechanical striker indication.
- Silver-plated copper ferrule terminals.
Reliable Protection for High-Voltage DC Equipment
Power semiconductor devices can be permanently damaged by fault currents that develop within milliseconds. High-speed fuse-links such as the Mersen N088378 interrupt these faults rapidly, limiting the energy reaching sensitive diodes, thyristors, rectifiers and power conversion assemblies.
The Mersen Protistor® DC range is engineered to meet the protection requirements of modern high-voltage equipment. Its extremely fast operation, low I²t performance, reduced watt losses and superior cycling capability make it suitable for critical railway and industrial power applications.
Typical Applications
- Railway traction power systems.
- Railway auxiliary electrical circuits.
- High-voltage DC power converters.
- Industrial rectifiers and inverters.
- Semiconductor protection circuits.
- Battery energy storage and charging equipment.
