Why Choose the Mersen G330194 High-Speed Semiconductor Fuse?
The Mersen G330194 is a premium high-speed semiconductor fuse engineered to provide rapid protection for sensitive power electronic equipment. Part of the trusted Mersen Protistor® series, this square body fuse is specifically designed to safeguard semiconductors including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents.
Featuring an ultra-fast aR operating characteristic, the G330194 delivers exceptional current limitation and high breaking capacity, helping to minimise damage to expensive electronic components while reducing equipment downtime. Its robust construction incorporates silver-plated contacts and solidified sand technology for excellent arc control and long-term reliability.
With a 400 A current rating and 500 V AC IEC rated voltage, the Mersen G330194 is ideally suited for protecting industrial power converters, variable frequency drives, UPS systems, inverters and other demanding power electronic applications.
Key Advantages
- High-speed semiconductor protection fuse.
- 400 A current rating for industrial applications.
- 500 V AC IEC rated voltage.
- Ultra-fast aR protection for semiconductor devices.
- Current-limiting technology helps reduce equipment damage.
- Suitable for demanding industrial power conversion systems.
Key Features
- Mersen Protistor® high-speed fuse.
- Catalogue number: BS000UB50V400.
- 400 A rated current.
- 500 V AC IEC / UL rated voltage.
- Square body NH Size 000 construction.
- aR operating characteristic for semiconductor protection.
- L bracket mounting configuration.
- Silver-plated contacts with high interrupting capacity.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic devices that require significantly faster fault interruption than conventional industrial fuses. By rapidly limiting fault current, they help reduce thermal stress and extend the service life of critical electronic equipment.
The Mersen G330194 is designed for modern industrial automation and power conversion systems where dependable semiconductor protection is essential. It is commonly specified for inverters, motor drives, UPS equipment and similar installations operating at up to 500 V AC.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters and converters.
- UPS systems.
- Rectifiers and DC power supplies.
- Motor control equipment.
- Industrial automation systems.
