Why Choose the Mersen X076173 Protistor® Semiconductor Fuse?
The Mersen X076173 (PC93UB15C750TF) is a high performance Protistor® square body semiconductor fuse-link engineered to provide fast and reliable protection for sensitive power electronic devices. Designed for demanding industrial power conversion applications, this aR ultra-fast fuse delivers exceptional protection for SCRs, diodes, thyristors, GTOs and IGBT modules operating in high power systems.
As part of the renowned Mersen Protistor® Size 93 series, the X076173 combines a high breaking capacity with low let-through energy, helping minimise damage during fault conditions. Its silver-plated contact surfaces, ceramic body construction and integrated striker indicator ensure dependable operation, straightforward maintenance and long service life in critical electrical installations.
Rated at 750 A with a 1500 V AC IEC voltage rating, this semiconductor protection fuse is ideally suited to renewable energy systems, industrial drives, power converters, UPS equipment and other high-power electronic applications requiring rapid fault interruption.
Key Advantages
- High performance aR semiconductor protection fuse for power electronics.
- 750 A current rating for demanding industrial applications.
- 1500 V AC IEC voltage rating for modern power conversion systems.
- High 200 kA breaking capacity for superior fault protection.
- Integrated striker indication for easy fuse status monitoring.
- Silver-plated contacts and ceramic body for reliable long-term performance.
Key Features
- Mersen Protistor® Size 93 series.
- Catalogue number: PC93UB15C750TF.
- 750 A rated current.
- 1500 V AC IEC rated voltage.
- aR ultra-fast operating characteristic.
- Flush end terminals with metric threads.
- Integrated striker indication system.
- Bolted mounting for secure installation.
Reliable Protection for Power Electronics
Semiconductor fuses are specifically designed to protect sensitive electronic power devices by clearing fault currents extremely quickly before expensive components are damaged. Their ultra-fast operation significantly reduces thermal and mechanical stress within power conversion equipment.
The Mersen Protistor® range is widely trusted across industrial automation, renewable energy, rail, UPS systems and heavy-duty power electronics where maximum reliability and high interrupting capacity are essential.
Typical Applications
- Industrial variable speed drives.
- Power converters and inverters.
- Renewable energy systems.
- UPS and power supply equipment.
- Motor control centres.
- Semiconductor protection in industrial switchgear.
