Why Choose the Mersen FR10GR69V8 Protistor® High-Speed Fuse?
The Mersen FR10GR69V8 is a compact Protistor® high-speed cylindrical semiconductor fuse designed to provide full-range protection for sensitive power semiconductor devices operating in industrial power electronic systems. Classified as a gR fuse in accordance with IEC 60269-4, it offers rapid fault interruption for both overload and short-circuit conditions, helping maximise equipment reliability and minimise downtime.
Manufactured by Mersen, the FR10GR69V8 is engineered for applications including variable speed drives, UPS systems, inverters and other power conversion equipment. Its low let-through energy and extremely fast operating characteristics help protect IGBTs, thyristors, diodes and rectifiers from damaging fault currents.
Featuring an 8 A current rating, a 690 V AC IEC / 700 V AC UL voltage rating and a compact 10 × 38 mm cylindrical body, the FR10GR69V8 is ideal for industrial control panels where dependable semiconductor protection is essential.
Key Advantages
- Fast-acting gR semiconductor protection fuse.
- 8 A rated current for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Full-range protection against overloads and short circuits.
- Low I²t improves semiconductor protection.
- Compact 10 × 38 mm cylindrical design.
Key Features
- Mersen Protistor® Series.
- Catalogue number: FR10GR69V8.
- gR utilisation category.
- 8 A rated current.
- 690 V AC IEC / 700 V AC UL rated.
- 10 × 38 mm cylindrical ceramic fuse.
- Current-limiting design with low let-through energy.
- Complies with IEC 60269-4 and UL recognised standards.
Reliable Semiconductor Protection for Industrial Equipment
The Mersen FR10GR69V8 has been developed to provide dependable protection for power semiconductor devices by rapidly interrupting excessive fault currents before costly damage can occur. Its low I²t characteristics reduce electrical and thermal stress on sensitive components, helping extend equipment service life.
As a gR class fuse, the FR10GR69V8 offers full-range protection, making it suitable for safeguarding industrial power electronic systems that require protection against both overload and short-circuit faults.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS systems.
- Industrial inverters.
- Power converters and rectifiers.
- Protection of IGBTs, thyristors and other semiconductor devices.
