Why Choose the Mersen FR22GR69V80 Protistor® Semiconductor Fuse?
The Mersen FR22GR69V80, also identified by item number E1018559, is a high-speed Protistor® cylindrical semiconductor fuse developed to protect sensitive power semiconductor devices from overload and short-circuit faults. As part of the Mersen Protistor® 22 × 58 mm gR series, it delivers dependable protection for industrial power electronics operating at up to 690 V AC.
With a rated current of 80 A and a 690 V AC IEC / 700 V AC UL voltage rating, the FR22GR69V80 is ideally suited to protecting IGBTs, thyristors, diodes and other semiconductor devices used in industrial drives, UPS systems, renewable energy inverters and power conversion equipment. Its gR full-range operating characteristic provides protection against both overload and short-circuit conditions.
Manufactured with a robust ceramic body and silver-plated copper ferrules, the 22 × 58 mm cylindrical fuse combines excellent thermal performance with an exceptionally high interrupting capacity, helping to minimise equipment damage and reduce costly downtime in demanding industrial environments.
Key Advantages
- High-speed semiconductor protection fuse.
- 80 A rated current for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- gR full-range operating characteristic.
- 160 kA AC breaking capacity.
- Low let-through energy helps protect expensive semiconductor devices.
- Compact 22 × 58 mm cylindrical format.
- Suitable for industrial automation and power conversion equipment.
Key Features
- Mersen Protistor® 22 × 58 mm gR series.
- 80 A rated current.
- 690 V AC IEC / 700 V AC UL.
- gR full-range semiconductor protection.
- 160 kA AC breaking capacity.
- 1240 A²s pre-arcing I²t.
- 7600 A²s clearing I²t.
- Ceramic cylindrical construction.
- Silver-plated copper ferrule terminals.
- Designed for compatible fuse clips and fuse holders.
Reliable Protection for Industrial Power Electronics
The Mersen FR22GR69V80 is designed to interrupt fault currents rapidly before excessive thermal energy can damage expensive semiconductor components. Its low I²t values and high interrupting capacity help improve equipment reliability while reducing maintenance costs and production downtime.
The Protistor® range is trusted worldwide by OEMs, panel builders and industrial engineers for protecting industrial power electronic systems, renewable energy equipment and automation applications.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- UPS systems.
- Industrial inverters.
- Power converters and rectifiers.
- Renewable energy equipment.
- Semiconductor protection circuits.
- Industrial automation systems.
