Why Choose the Mersen Z080430 High-Speed Cylindrical Fuse?
The Mersen Z080430, catalogue reference FD20GC150V25T, is a high-speed cylindrical fuse-link designed to protect semiconductor components and high-voltage DC electrical systems. Part of the Mersen Protistor® 20 × 190 mm gR (gRC) fuse range, it provides rapid fault interruption for sensitive power electronic equipment.
This fuse is engineered for modern DC applications that require low energy let-through, reduced power losses and dependable operation at elevated temperatures. Its fast response helps minimise damage to protected components during short-circuit conditions, supporting longer equipment life and improved system availability.
With a rated current of 25 A, a rated voltage of 1500 V DC and an integrated striker, the Z080430 is particularly suitable for railway power and auxiliary circuits, industrial converters and other demanding DC installations. Its compact 20 × 190 mm cylindrical format allows secure installation in compatible fuse holders and mounting clips.
Key Advantages
- High-speed semiconductor fuse protection for sensitive DC equipment.
- 25 A rated current for industrial and railway power circuits.
- 1500 V DC voltage rating for high-voltage applications.
- gR (gRC) operating characteristic for rapid fault interruption.
- Low I²t helps reduce damage to protected semiconductor components.
- Integrated striker supports fuse status indication and monitoring.
Key Features
- Mersen Protistor® high-speed cylindrical fuse-link.
- Manufacturer reference: Z080430.
- Catalogue reference: FD20GC150V25T.
- 25 A rated current.
- 1500 V DC rated voltage.
- gR (gRC) semiconductor fuse characteristic.
- 20 × 190 mm cylindrical fuse size.
- Integrated striker for operation indication.
- Designed for elevated operating temperatures in demanding DC systems.
Reliable Protection for High-Voltage DC Systems
High-speed fuse-links such as the Mersen Z080430 are designed to interrupt fault currents before excessive electrical energy can damage sensitive semiconductor devices. Their low I²t performance makes them particularly suitable for protecting converters, rectifiers and other power electronic assemblies.
The Z080430 is developed for demanding DC equipment that may operate at higher temperatures than conventional fuse applications. Its low power losses, fast fault-clearing performance and integrated striker help support efficient operation, straightforward maintenance and reliable protection.
Typical Applications
- Railway power and auxiliary circuits.
- Industrial DC power converters.
- Semiconductor rectifiers and inverters.
- Battery energy storage equipment.
- Renewable energy power conversion systems.
- High-voltage DC distribution assemblies.
- Industrial automation and electrical control panels.
