Why Choose the Mersen F075905 Protistor® High-Speed Fuse?
The Mersen F075905, catalogue number BS17US69V80P, is a high-speed Protistor® semiconductor protection fuse designed to provide reliable protection for power semiconductor devices in demanding industrial applications. Manufactured to BS88-4 standards, this fuse offers exceptional breaking capacity and rapid fault clearance to help minimise damage to sensitive equipment such as variable speed drives, UPS systems and power converters.
Designed specifically for protecting semiconductor components, the F075905 combines a compact 17 × 49 mm format with a 690 V AC IEC rating and an 80 A current rating. The integrated striker provides remote indication or operation of associated switching mechanisms, improving maintenance efficiency and system safety.
The Protistor® range is trusted by OEMs and industrial engineers worldwide for protecting rectifiers, inverters, soft starters, DC drives and other power electronic equipment where extremely fast fault interruption is essential.
Key Advantages
- High-speed semiconductor protection fuse for sensitive power electronics.
- 80 A current rating with 690 V AC IEC operating voltage.
- Manufactured to BS88-4 British Standard dimensions.
- Integrated striker indicator for remote signalling or fuse monitoring.
- Extremely high breaking capacity for enhanced equipment protection.
- Suitable for industrial drives, converters, UPS systems and power supplies.
Key Features
- Mersen Protistor® series.
- Catalogue number: BS17US69V80P.
- 17 × 49 mm British Standard fuse-link.
- 80 A rated current.
- 690 V AC IEC rating.
- 700 V AC/DC UL rating.
- gR semiconductor protection characteristic.
- Integrated striker for indication and switching applications.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are designed to clear fault currents rapidly before excessive thermal energy can damage expensive power semiconductor devices. Their extremely low let-through energy helps protect IGBTs, thyristors, diodes and rectifiers from catastrophic failure during short-circuit conditions.
The Mersen Protistor® range is engineered for industrial environments where reliable semiconductor protection is essential. The BS17US69V80P provides dependable performance while supporting improved equipment availability and reduced maintenance costs.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS and backup power systems.
- Power converters and rectifiers.
- Soft starters.
- Industrial automation equipment.
