Why Choose the Mersen Y080429 High-Speed Cylindrical Fuse?
The Mersen Y080429, catalogue reference FD20GC150V12T, is a high-speed cylindrical semiconductor fuse designed to provide dependable protection for modern DC power systems and sensitive semiconductor equipment. As part of the Mersen Protistor® 20 × 190 mm gR (gRC) 1500 V DC series, it delivers rapid fault clearing and reliable protection for demanding industrial applications.
Engineered for high-performance DC installations, this fuse offers fast interruption characteristics with low energy let-through, helping to minimise damage to protected power electronic components. The integrated striker provides remote indication and simplifies maintenance in critical electrical systems.
With a rated current of 12 A, a 1500 V DC voltage rating and a 20 × 190 mm cylindrical format, the Y080429 is ideally suited for railway power systems, auxiliary circuits, renewable energy installations and industrial power conversion equipment where reliable semiconductor protection is essential.
Key Advantages
- High-speed gR (gRC) semiconductor fuse for demanding DC applications.
- 1500 V DC rating suitable for high-voltage power systems.
- 12 A current rating for auxiliary and semiconductor circuits.
- Integrated striker indicator for remote fuse operation indication.
- Low I²t reduces damage to sensitive semiconductor devices.
- Designed for long service life and dependable industrial performance.
Key Features
- Mersen Protistor® high-speed fuse.
- Catalogue number: FD20GC150V12T.
- Manufacturer part number: Y080429.
- 12 A rated current.
- 1500 V DC rated voltage.
- gR (gRC) operating characteristic.
- 20 × 190 mm cylindrical body.
- Integrated striker for indication.
- Suitable for semiconductor and railway DC protection.
Reliable Protection for High-Voltage DC Systems
High-speed semiconductor fuses are specifically developed to protect power electronic devices from overloads and short circuits before excessive energy can damage expensive components. The Protistor® range offers exceptionally low energy let-through, making it ideal for protecting modern converters, inverters and railway equipment.
The Y080429 combines fast operation with dependable long-term reliability, helping to maximise equipment uptime while reducing maintenance costs across demanding industrial and transportation applications.
Typical Applications
- Railway traction and auxiliary circuits.
- Industrial power converters.
- Semiconductor rectifiers.
- Renewable energy power conversion systems.
- Battery energy storage equipment.
- Industrial automation control panels.
- High-voltage DC power systems.
