Why Choose the Mersen Q082400 Protistor® High-Speed Fuse?
The Mersen Q082400 (D120GC75V63TF) is a premium Protistor® square body high-speed semiconductor fuse designed to provide rapid and dependable protection for sensitive power electronic equipment. Specifically developed for demanding DC applications, this fuse protects semiconductors including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents while helping maximise equipment reliability.
Part of the trusted Mersen Protistor® Size 120 gR 750 VDC series, the Q082400 combines low let-through energy with a high breaking capacity to minimise thermal and electrical stress on expensive semiconductor components. Its robust square body construction, threaded flush-end terminals and integrated striker ensure reliable long-term performance in demanding industrial and railway applications.
Rated at 63 A with a 750 V DC IEC voltage rating, the Q082400 is ideal for railway auxiliary systems, industrial DC drives, battery energy storage, power converters and renewable energy equipment requiring fast and reliable semiconductor protection.
Key Advantages
- High-speed gR semiconductor protection fuse.
- 63 A current rating for DC power applications.
- 750 V DC IEC rated voltage.
- Protects IGBTs, thyristors, diodes and rectifiers.
- Low I²t characteristics minimise semiconductor damage.
- Integrated striker for remote fuse indication.
- Square body construction with threaded flush-end terminals.
Key Features
- Mersen Protistor® Size 120 gR series.
- Manufacturer part number: Q082400.
- Catalogue number: D120GC75V63TF.
- 63 A rated current.
- 750 V DC IEC rated voltage.
- Square body high-speed semiconductor fuse.
- Threaded flush-end terminals.
- Integrated striker indicator.
Reliable Protection for Critical Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive electronic power devices from damaging fault currents. Their ultra-fast operating characteristics reduce thermal and electrical stress, helping extend equipment life while minimising costly downtime and repairs.
The Mersen Protistor® range is widely specified by OEMs, railway engineers, panel builders and industrial automation specialists for power conversion systems, battery installations and critical DC equipment where dependable semiconductor protection is essential.
Typical Applications
- Railway auxiliary power systems.
- Battery energy storage systems.
- Industrial DC drives.
- Power converters and rectifiers.
- Renewable energy installations.
- UPS and critical power equipment.
- Industrial semiconductor protection.
