Why Choose the Mersen H220991 High Speed Semiconductor Fuse?
The Mersen H220991 is a high performance BS88 high speed semiconductor fuse engineered to provide fast and reliable protection for power electronic equipment. Manufactured as part of the trusted Mersen Protistor® range, it is specifically designed to safeguard sensitive semiconductor devices including diodes, thyristors, IGBTs and rectifiers against short circuit faults.
Designed for demanding industrial applications, the H220991 delivers exceptional current limiting performance and high breaking capacity to minimise damage during fault conditions. Its compact BS88 blade design allows straightforward installation into compatible fuse holders, making it suitable for new installations as well as maintenance and replacement projects.
With a 32 A current rating and a 690 V AC voltage rating, the Mersen H220991 provides dependable protection for industrial drives, power converters, UPS systems and other power electronics where rapid fault interruption is essential.
Key Advantages
- High speed semiconductor protection fuse for sensitive electronic equipment.
- 32 A current rating for industrial power applications.
- 690 V AC rated voltage suitable for demanding electrical systems.
- Excellent current limiting performance to reduce equipment damage.
- High interrupt rating for dependable fault clearance.
- Compact BS88 blade format for simple installation and replacement.
Key Features
- Mersen Protistor® semiconductor fuse.
- 32 A rated current.
- 690 V AC rated voltage.
- High speed gRB fuse characteristic.
- 17 × 49 mm BS88 blade body.
- Striker indicator for fuse operation indication.
- Suitable for holder mounting.
- Designed for semiconductor and power electronic protection.
Reliable Protection for Power Electronics
High speed semiconductor fuses are designed to interrupt fault currents before damage can occur to sensitive power electronic devices. Their extremely fast operating characteristics help protect expensive equipment while reducing downtime and maintenance costs.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, motor drives and power conversion systems where dependable overcurrent protection is essential for reliable operation.
Typical Applications
- Variable frequency drives (VFDs).
- Soft starters.
- Industrial rectifiers.
- UPS systems.
- Power converters and inverters.
- Industrial automation and control panels.
