Why Choose the Mersen FR14GR69V8 Protistor® High-Speed Fuse?
The Mersen FR14GR69V8 is a high-performance Protistor® high-speed cylindrical semiconductor fuse designed to provide complete protection for sensitive power semiconductor devices in demanding industrial applications. Manufactured in accordance with IEC 60269-1 and IEC 60269-4, this ultra-fast fuse provides both overload and short-circuit protection for power electronics including variable speed drives, UPS systems, converters and inverters.
As part of the trusted Mersen Protistor® 14 × 51 mm gR fuse range, the FR14GR69V8 combines a compact cylindrical design with an exceptionally high interrupting capacity and low let-through energy. Its dependable performance helps maximise equipment reliability while reducing downtime and maintenance costs in industrial automation systems.
With a rated current of 8 A, a 690 V AC IEC / 700 V AC UL voltage rating and a gR utilisation category, the FR14GR69V8 provides full-range semiconductor protection for demanding industrial power electronic applications.
Key Advantages
- Ultra-fast gR semiconductor protection fuse.
- 8 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Provides full-range protection against overloads and short circuits.
- High interrupting capacity for demanding industrial applications.
- Compact 14 × 51 mm cylindrical construction for straightforward installation.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Catalogue number: FR14GR69V8.
- 8 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- gR utilisation category for full-range semiconductor protection.
- 14 × 51 mm cylindrical fuse size.
- Current-limiting high-speed design.
- IEC 60269-1 and IEC 60269-4 compliant.
- RoHS compliant.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before excessive energy reaches sensitive electronic components. Their rapid operation helps minimise thermal stress, extending the service life of semiconductor devices while improving equipment reliability.
The Mersen Protistor® gR range provides full-range protection against both overloads and short circuits, making these fuses ideal for industrial automation, motor drives, UPS systems and power conversion equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy power electronics.
- Industrial automation and control panels.
