Why Choose the Mersen R300096 Protistor® High-Speed Fuse?
The Mersen R300096 (PC30UD69V350EF) is a Protistor® Size 30 square body high-speed semiconductor fuse designed to provide ultra-fast protection for modern power conversion equipment. Featuring an aR ultra-fast operating characteristic, it protects sensitive semiconductor devices including IGBTs, MOSFETs, thyristors and diodes against damaging short-circuit currents.
Manufactured using precision die-cut silver fuse elements embedded in solidified sand, the fuse delivers exceptional current limitation, low let-through energy and a high interrupting capacity. Silver-plated contact surfaces, non-magnetic hardware and an integrated striker indicator provide dependable long-term performance while simplifying maintenance and remote status indication.
Rated at 350 A, with 690 V AC (IEC) and 700 V AC (UL) ratings, the R300096 is ideal for industrial drives, UPS systems, renewable energy converters, motor drives and other demanding semiconductor protection applications.
Key Advantages
- Ultra-fast aR semiconductor protection.
- 350 A current rating.
- 690 V AC IEC / 700 V AC UL voltage ratings.
- Outstanding current-limiting performance.
- Integrated striker indicator for simplified maintenance.
- Open-slot blade terminals for secure installation.
Key Features
- Mersen Protistor® Size 30 series.
- Catalogue number: PC30UD69V350EF.
- aR ultra-fast characteristic.
- 350 A rated current.
- 690 V AC IEC / 700 V AC UL.
- Open-slot blade terminals.
- Integrated striker indicator.
- Ceramic square body with silver-plated contacts.
Reliable Protection for Semiconductor Equipment
The Protistor® Size 30 range has been developed specifically for the protection of high-value semiconductor devices. Its low let-through energy reduces stress on power electronics, helping extend equipment life while reducing downtime and maintenance costs.
These fuses are widely used in industrial automation, renewable energy installations, UPS systems, motor drives and power conversion equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives (VSDs).
- Industrial motor drives.
- Power converters.
- Industrial rectifiers.
- UPS systems.
- Renewable energy inverters.
- Protection of IGBTs, MOSFETs, thyristors and diodes.