Why Choose the Mersen H235987 High Speed Semiconductor Fuse?
The Mersen H235987 is a premium high speed semiconductor fuse designed to provide rapid protection for sensitive power electronic equipment operating in demanding industrial environments. Manufactured as part of the renowned Mersen Protistor® range, this fuse delivers exceptional fault current limitation to protect semiconductors including thyristors, IGBTs, diodes and rectifiers from catastrophic short circuits.
Engineered for high reliability and consistent performance, the H235987 helps minimise equipment damage, reduce costly downtime and extend the service life of valuable industrial assets. Its compact blade-type construction enables quick installation into compatible fuse bases and switchgear assemblies used throughout automation and power conversion systems.
Featuring a 125 A current rating and a 690 V AC voltage rating, the H235987 is an excellent choice for protecting variable frequency drives, UPS systems, industrial converters, motor control equipment and renewable energy installations requiring fast acting semiconductor protection.
Key Advantages
- High speed semiconductor fuse for protecting sensitive electronic components.
- 125 A current rating suitable for industrial power applications.
- 690 V AC voltage rating for demanding electrical systems.
- Outstanding current limiting performance during fault conditions.
- High breaking capacity reduces damage to expensive equipment.
- Compact blade design for straightforward installation and maintenance.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- 125 A rated current.
- 690 V AC rated voltage.
- Ultra-fast operating characteristic for semiconductor protection.
- Blade contact design.
- Low energy let-through during fault interruption.
- Suitable for industrial power electronic equipment.
- Designed for installation in compatible fuse holders.
Reliable Protection for Critical Power Electronics
High speed semiconductor fuses are specifically developed to interrupt fault currents before permanent damage can occur to sensitive electronic components. Their rapid response protects valuable equipment while helping maintain production uptime and reducing maintenance costs.
The Mersen Protistor® family is trusted worldwide in industrial automation, renewable energy, motor control and power conversion applications where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial rectifiers.
- UPS systems.
- Power converters and inverters.
- Motor control centres.
- Renewable energy and industrial automation equipment.
