Why Choose the Mersen H330195 High Speed Semiconductor Fuse?
The Mersen H330195 is a premium Protistor® square body high speed semiconductor fuse engineered to provide rapid protection for sensitive power electronic equipment. Designed specifically for modern power conversion systems, it delivers ultra-fast fault interruption to protect semiconductors including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents.
Manufactured as part of the trusted Mersen Protistor® NH 000 series, the H330195 features an ultra-fast aR operating characteristic, silver-plated contact surfaces and an integrated striker indicator with L bracket mounting. Its robust square body construction uses precision die-cut fuse elements embedded in solidified sand to provide excellent current limiting performance, low let-through energy and dependable protection in demanding industrial environments.
With a 400 A current rating and a 500 V AC IEC / UL voltage rating, the Mersen H330195 is ideally suited for industrial drives, UPS systems, inverters, rectifiers and power converters where reliable semiconductor protection is critical.
Key Advantages
- Ultra-fast Protistor® semiconductor protection fuse.
- 400 A current rating for demanding industrial applications.
- 500 V AC IEC / UL rated voltage.
- Fast acting aR operating class for semiconductor protection.
- Excellent current limiting performance with low I²t values.
- NH 000 square body design with striker and L bracket mounting.
Key Features
- Mersen Protistor® series.
- 400 A rated current.
- 500 V AC IEC / UL rated voltage.
- 320 V DC UL rating.
- Ultra-fast aR operating class.
- NH 000 square body construction.
- Integrated striker indicator.
- Silver-plated contacts with non-magnetic hardware.
Reliable Protection for Industrial Power Electronics
High speed semiconductor fuses are designed to interrupt fault currents before expensive electronic components can be damaged. Their ultra-fast operation minimises thermal and electrical stress, improving equipment reliability while reducing maintenance costs and production downtime.
The Protistor® range has been developed specifically for semiconductor protection, providing high interrupting capacity, excellent current limitation and dependable performance across demanding industrial power conversion applications.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- UPS systems.
- Power converters.
- Industrial rectifiers.
- Motor drives and renewable energy systems.
