Why Choose the Mersen H075907 High-Speed Semiconductor Fuse?
The Mersen H075907 is a Protistor® high-speed semiconductor fuse designed to provide fast and dependable protection for sensitive power electronic equipment. Manufactured to BS88-4 standards, this fuse carries the catalogue reference BS217UT69V85 and is engineered to protect semiconductor devices against damaging overloads and short-circuit faults.
This model is a 2 × 17 × 49 mm gR class fuse with a rated current of 85 A and a 690 V AC IEC rating. The gR operating class provides full-range semiconductor protection, making it suitable for safeguarding IGBTs, thyristors, diodes, rectifiers and other sensitive power electronic components.
Designed for demanding industrial environments, the Mersen H075907 delivers high breaking capacity and excellent current-limiting performance, helping minimise equipment damage and reduce costly downtime in power conversion and automation systems.
Key Advantages
- Genuine Mersen Protistor® semiconductor fuse.
- 85 A current rating.
- 690 V AC IEC rated voltage.
- gR operating class provides overload and short-circuit protection.
- High breaking capacity for demanding industrial applications.
- Manufactured to BS88-4 standards.
Key Features
- Manufacturer: Mersen.
- Manufacturer reference: H075907.
- Catalogue number: BS217UT69V85.
- Protistor® semiconductor protection fuse.
- 2 × 17 × 49 mm British Standard fuse-link.
- gR operating characteristic.
- Suitable for protection of power semiconductors.
- UL Recognised and IEC compliant.
Reliable Protection for Semiconductor Equipment
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic devices much faster than conventional industrial fuses. Their current-limiting characteristics help minimise thermal and mechanical stress on semiconductor components, improving equipment reliability and extending service life.
The Mersen H075907 is ideally suited to protecting industrial drives, inverters, converters, UPS systems, rectifiers and other power electronic equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- Power converters.
- UPS systems.
- Rectifiers.
- Industrial automation equipment.