Why Choose the Mersen FR22AR69V135 Protistor® High-Speed Fuse?
The Mersen FR22AR69V135 is a premium Protistor® high-speed semiconductor protection fuse engineered to provide ultra-fast protection for sensitive power electronic devices. Designed in accordance with IEC 60269-4, this cylindrical aR class fuse rapidly clears short-circuit faults while minimising let-through energy, helping protect valuable semiconductor components and improve equipment reliability.
As part of the trusted Mersen Protistor® 22 × 58 mm aR series, the FR22AR69V135 is specifically developed for protecting IGBTs, SCRs, thyristors, diodes and rectifiers used in variable speed drives, UPS systems, industrial inverters and power conversion equipment. Its compact cylindrical design enables straightforward installation into compatible fuse holders while providing outstanding fault interruption capability.
With a 135 A current rating, 690 V AC IEC / 700 V AC UL voltage rating and a 160 kA breaking capacity, the FR22AR69V135 delivers dependable semiconductor protection in demanding industrial environments.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 135 A rated current for industrial power electronic equipment.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Low let-through energy helps protect expensive semiconductor devices.
- 160 kA breaking capacity for exceptional fault interruption.
- Compact 22 × 58 mm cylindrical design.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Model: FR22AR69V135.
- Rated current: 135 A.
- Rated voltage: 690 V AC IEC / 700 V AC UL.
- aR ultra-fast operating characteristic.
- 22 × 58 mm cylindrical fuse.
- Current limiting construction.
- Excellent cycling capability.
- RoHS compliant.
Reliable Protection for Power Electronics
High-speed aR semiconductor fuses are specifically engineered to protect sensitive power electronic devices against short-circuit faults. Their rapid operating characteristics minimise thermal and electrical stress, helping maximise equipment reliability while reducing maintenance costs.
The Mersen Protistor® range is widely specified for industrial automation, renewable energy systems, UPS installations and variable speed drives where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor drives.
- Semiconductor power supplies.
- Industrial automation equipment.
- Renewable energy systems.