Why Choose the Mersen FR22AR69V63T Protistor® High-Speed Fuse?
The Mersen FR22AR69V63T is a premium Protistor® high-speed semiconductor protection fuse developed to provide rapid short-circuit protection for sensitive power electronic equipment. Manufactured in accordance with IEC 60269-4, this cylindrical fuse delivers exceptional fault clearing performance while minimising let-through energy, helping safeguard valuable semiconductor devices and improve system reliability.
As part of the trusted Mersen Protistor® 22 × 58 mm aR fuse range, the FR22AR69V63T is specifically designed for protecting IGBTs, SCRs, thyristors and rectifiers used in industrial automation, power conversion and motor control applications. This version features an integrated striker for remote fuse indication and enhanced monitoring capability.
With a 63 A current rating, 690 V AC IEC / 700 V AC UL voltage rating and an aR ultra-fast characteristic, the FR22AR69V63T offers dependable semiconductor protection in variable speed drives, UPS systems, industrial inverters and renewable energy equipment.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 63 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Integrated striker indicator for fuse operation signalling.
- High 160 kA breaking capacity.
- Compact 22 × 58 mm cylindrical design.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Catalogue number: FR22AR69V63T.
- Current rating: 63 A.
- Rated voltage: 690 V AC IEC / 700 V AC UL.
- aR operating characteristic.
- Integrated striker for blown fuse indication.
- 22 × 58 mm cylindrical body.
- Designed to IEC 60269-4.
- RoHS compliant.
Reliable Semiconductor Protection for Industrial Systems
High-speed semiconductor fuses provide extremely rapid protection against short-circuit faults, helping prevent catastrophic damage to expensive power semiconductors. Their low let-through energy significantly reduces stress on electronic components, improving equipment uptime and lowering maintenance costs.
The Mersen Protistor® range is widely specified for industrial drives, renewable energy systems, UPS equipment and power conversion applications where dependable semiconductor protection is critical.
Typical Applications
- Variable speed drives (VSDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor control centres.
- Industrial automation equipment.
- Renewable energy converters.
- Semiconductor power supplies.