Why Choose the Mersen FR22AR69V80T Protistor® High-Speed Fuse?
The Mersen FR22AR69V80T is a premium Protistor® high-speed semiconductor protection fuse with striker, engineered to deliver exceptionally fast protection for sensitive power electronic equipment. Designed in accordance with IEC 60269-4, this cylindrical aR class fuse provides rapid short-circuit protection for semiconductor devices while minimising let-through energy to help maximise equipment reliability.
Part of the trusted Mersen Protistor® 22 × 58 mm aR series, the FR22AR69V80T is specifically designed to protect IGBTs, SCRs, thyristors, diodes and rectifiers used in variable speed drives, UPS systems, industrial inverters and power conversion equipment. The integrated striker enables local or remote fuse indication when used with compatible fuse holders and auxiliary contacts.
With an 80 A current rating, a 690 V AC IEC / 700 V AC UL voltage rating and a 160 kA breaking capacity, the FR22AR69V80T offers dependable semiconductor protection in demanding industrial applications.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 80 A rated current for industrial power electronic equipment.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Integrated striker indicator for remote status monitoring.
- 160 kA breaking capacity for excellent fault interruption.
- Compact 22 × 58 mm cylindrical design.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Model: FR22AR69V80T.
- Rated current: 80 A.
- Rated voltage: 690 V AC IEC / 700 V AC UL.
- aR ultra-fast operating characteristic.
- Integrated striker indication.
- 22 × 58 mm cylindrical fuse.
- Current limiting construction.
- RoHS compliant.
Reliable Protection for Power Electronics
High-speed aR semiconductor fuses are engineered specifically to protect sensitive power electronic devices from damaging short-circuit faults. Their rapid operating characteristics minimise thermal stress and let-through energy, helping extend the service life of expensive semiconductor components while reducing maintenance costs.
The integrated striker allows quick visual indication and can operate compatible auxiliary contacts for remote monitoring, making maintenance easier in critical industrial installations.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor drives.
- Semiconductor power supplies.
- Industrial automation equipment.
- Renewable energy systems.