Why Choose the Mersen E082804 Protistor® High-Speed Fuse?
The Mersen E082804 (Catalogue No. FD20GD150V6) is a high-speed cylindrical semiconductor protection fuse engineered for demanding DC applications. As part of the trusted Mersen Protistor® 20 × 127 mm gR series, it delivers rapid fault interruption to protect sensitive power electronic equipment including inverters, converters, battery energy storage systems and photovoltaic installations.
Designed specifically for semiconductor protection, the E082804 offers exceptional performance in high-voltage DC circuits. Its fast-acting gRD operating class provides full-range protection for auxiliary circuits, control equipment and monitoring devices while helping minimise damage caused by short circuits and overloads.
With a 6 A current rating, 1500 V DC rating and an impressive 30 kA breaking capacity, this fuse is an ideal solution for modern renewable energy systems and industrial power conversion applications requiring dependable circuit protection.
Key Advantages
- High-speed semiconductor protection fuse for critical DC applications.
- Designed for 1500 V DC renewable energy and industrial systems.
- Fast-acting gRD characteristic helps protect sensitive power electronics.
- High 30 kA DC breaking capacity for reliable fault interruption.
- Compact 20 × 127 mm cylindrical design.
- Suitable for photovoltaic, battery storage and power conversion equipment.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Model: E082804 / FD20GD150V6.
- 6 A rated current.
- 1500 V DC IEC rated voltage.
- gRD full-range protection characteristic.
- 20 × 127 mm cylindrical body.
- 30 kA DC breaking capacity.
- RoHS compliant construction.
Reliable Protection for Power Electronics
The Mersen Protistor® range is developed specifically to safeguard high-value semiconductor devices from damaging fault currents. The E082804 provides rapid disconnection during fault conditions, helping maximise equipment uptime while reducing repair costs and protecting expensive electronic components.
Its high-voltage DC capability makes it particularly well suited to photovoltaic arrays, energy storage systems, EV charging infrastructure and industrial DC power conversion where dependable overcurrent protection is essential.
Typical Applications
- Solar photovoltaic systems.
- Battery energy storage systems (BESS).
- Industrial DC power supplies.
- Power converters and rectifiers.
- Variable speed drives and inverters.
- Semiconductor and power electronics protection.
