Why Choose the Mersen F300201 Protistor® High Speed Semiconductor Fuse?
The Mersen F300201 is a premium Protistor® Size 32 square body high-speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power semiconductor devices used in industrial power conversion equipment. Designed to deliver exceptional current-limiting performance, it minimises damage caused by short-circuit faults while maximising equipment reliability and operational uptime.
Part of the Mersen Protistor® Size 32 aR series, the F300201 is specifically designed to protect IGBTs, SCRs, thyristors and diode modules. Manufactured using precision die-cut silver fuse elements embedded in solidified silica sand, it provides low I²t values, high interrupting capacity and dependable long-term performance for demanding industrial applications.
With a rated current of 800 A and a 690 V AC IEC / 700 V AC UL voltage rating, the F300201 features short slotted blade terminals and an integrated striker indicator, making it ideal for variable speed drives, UPS systems, converters, rectifiers and renewable energy power conversion equipment.
Key Advantages
- Ultra-fast semiconductor protection for critical power electronics.
- 800 A current rating.
- 690 V AC IEC / 700 V AC UL rated.
- aR utilisation category for semiconductor protection.
- Low I²t characteristics minimise fault energy.
- High interrupting capacity for demanding industrial applications.
- Silver-plated contacts provide excellent conductivity.
- Integrated striker indicator for remote fuse monitoring.
Key Features
- Manufacturer Part Number: F300201.
- Catalogue Number: A070UD32KI800.
- Protistor® Size 32 square body fuse.
- 800 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Short slotted blade terminals.
- Square body ceramic construction.
- Integrated low-voltage striker indicator.
- Silver-plated contact surfaces.
- RoHS compliant.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are designed to protect expensive power electronic devices requiring extremely rapid fault interruption. The Protistor® range delivers exceptional current limitation and low energy let-through, helping reduce damage to IGBTs, SCRs, thyristors and rectifier assemblies during short-circuit events.
The Mersen F300201 is widely specified by OEMs, panel builders and maintenance engineers for industrial automation, renewable energy systems, UPS installations and power conversion equipment where dependable semiconductor protection is essential.
Applications
- Variable speed drives.
- Industrial inverters.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy systems.
- Motor control equipment.
- Semiconductor protection circuits.
