Why Choose the Mersen F097456 Protistor® High-Speed Fuse?
The Mersen F097456, catalogue number BS236UM69V175T, is a high-speed Protistor® semiconductor protection fuse engineered to provide exceptional protection for power semiconductor devices against short-circuit faults. Designed in accordance with IEC 60269-4 and BS88-4 standards, this fuse delivers rapid fault interruption with low let-through energy, making it ideal for protecting expensive power electronic equipment.
Featuring a compact 36 × 55 mm British Standard body, the F097456 has a 175 A current rating, a 690 V AC operating voltage and an integrated trip indicator for convenient fuse status indication or remote signalling. Its high breaking capacity and fast operating characteristics help minimise equipment damage and reduce downtime in demanding industrial environments.
As part of the trusted Mersen Protistor® range, the F097456 is widely specified for protecting variable frequency drives, UPS systems, inverters, converters, rectifiers and other industrial power electronic systems where dependable semiconductor protection is essential.
Key Advantages
- High-speed semiconductor protection fuse.
- 175 A rated current for industrial power electronics.
- 690 V AC IEC operating voltage.
- Integrated trip indicator for remote signalling.
- High breaking capacity with low let-through energy.
- Designed for demanding industrial automation and power conversion applications.
Key Features
- Mersen Protistor® series.
- Catalogue number: BS236UM69V175T.
- Reference number: F097456.
- 175 A rated current.
- 690 V AC IEC rated voltage.
- aR semiconductor protection characteristic.
- 36 × 55 mm BS88-4 fuse format.
- Built-in trip indicator for monitoring and signalling.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically engineered to protect IGBTs, thyristors, diodes and rectifiers from damaging fault currents. Their rapid response limits thermal and mechanical stress, helping maximise equipment reliability while reducing maintenance costs and production downtime.
The Mersen Protistor® range is widely used by OEMs and industrial engineers to protect power conversion equipment in manufacturing, automation, renewable energy and process industries where dependable semiconductor protection is critical.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS and backup power systems.
- Power converters and inverters.
- Rectifiers and DC drives.
- Industrial automation and renewable energy systems.
