Why Choose the Mersen X330116 High Speed Fuse?
The Mersen X330116 is a premium Protistor® square body high speed semiconductor fuse engineered to provide exceptional protection for power electronic equipment, converters, drives and semiconductor devices. Designed by Mersen, a global specialist in electrical power and advanced circuit protection, this fuse delivers ultra-fast fault interruption to minimise damage caused by short circuits and overcurrent conditions.
As part of the renowned Protistor® NH 000 aR fuse range, the X330116 has been specifically developed to protect IGBTs, thyristors, diodes and other semiconductor components used in industrial automation and power conversion applications. Its advanced construction provides low let-through energy (I²t), high breaking capacity and reliable performance in demanding industrial environments.
With a 350 A current rating and 500 V AC IEC voltage rating, the Mersen X330116 is ideally suited to industrial drives, UPS systems, renewable energy equipment and power conversion systems requiring dependable semiconductor protection.
Key Advantages
- High speed Protistor® semiconductor protection fuse.
- 350 A current rating for demanding industrial applications.
- 500 V AC IEC rated voltage.
- aR operating characteristic provides protection for power semiconductors.
- High breaking capacity for dependable short circuit protection.
- Ideal for variable speed drives, converters and industrial power electronics.
Key Features
- Mersen Protistor® series.
- Model X330116 (BS000UB50V350).
- Square body NH 000 high speed fuse.
- 350 A rated current.
- 500 V AC IEC rated voltage.
- aR ultra-fast semiconductor protection characteristic.
- L bracket terminals.
- Silver-plated contact surfaces for reliable conductivity.
- Suitable for protecting diodes, thyristors and IGBT modules.
Reliable Protection for Power Electronics
High speed semiconductor fuses are specifically designed to interrupt fault currents before sensitive electronic components suffer thermal damage. The Mersen X330116 offers extremely rapid fault clearing, helping maximise the reliability and operational life of converters, drives and industrial power systems.
Its robust square body construction, silver-plated contacts and advanced arc control technology make it an ideal solution for modern industrial automation, renewable energy installations and heavy-duty electrical equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- UPS systems.
- IGBT and thyristor protection.
- Renewable energy inverters.
- Industrial automation and control panels.