Why Choose the Mersen Q330133 High-Speed Semiconductor Fuse?
The Mersen Q330133 (BS000UB69V200P) is a high-performance square body semiconductor protection fuse engineered to provide ultra-fast protection for sensitive power electronic devices. Part of the renowned Mersen Protistor® range, this fuse is specifically designed to safeguard semiconductor components including IGBTs, thyristors, diodes and rectifiers used in industrial power conversion systems.
Designed for demanding industrial applications, the Q330133 delivers exceptional current limiting performance and low let-through energy, helping to minimise damage during fault conditions. Its robust square body construction and silver-plated contacts ensure dependable performance, while the integrated striker allows optional remote indication or microswitch operation.
With a 200 A current rating and 690 V AC IEC operating voltage, the Mersen Q330133 is ideally suited for variable speed drives, UPS systems, soft starters, inverters and other industrial power electronics where reliable semiconductor protection is essential.
Key Advantages
- Ultra-fast semiconductor protection fuse for sensitive power electronics.
- 200 A current rating for demanding industrial applications.
- 690 V AC IEC voltage rating for modern power systems.
- Designed to protect IGBTs, thyristors, diodes and rectifiers.
- Integrated striker for remote indication and monitoring.
- Low I²t characteristics help reduce damage during fault conditions.
Key Features
- Mersen Protistor® semiconductor fuse series.
- Catalogue number: BS000UB69V200P.
- 200 A rated current.
- 690 V AC IEC / 690 V AC UL rated voltage.
- 500 V DC UL rated voltage.
- Square body NH 000 design.
- aR ultra-fast operating characteristic for semiconductor protection.
- Integrated striker with L brackets.
- Silver-plated contact surfaces for reliable conductivity.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are designed to interrupt fault currents before sensitive electronic components can be damaged. Their extremely fast operating characteristics reduce thermal and mechanical stress, extending the service life of valuable equipment while improving system reliability.
The Mersen Protistor® range is trusted worldwide for protecting industrial drives, renewable energy systems, UPS equipment and power converters where rapid fault clearance is essential for maintaining operational continuity.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters and converters.
- UPS and power conditioning systems.
- Motor drives and soft starters.
- Renewable energy power conversion equipment.
- Industrial automation and semiconductor protection.
