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MERSEN FUSE 6,921 CP AR 22.58 0040 FR22AR69V40T
The FR22AR69V40T fuse delivers rapid circuit protection for industrial power systems, leveraging a high breaking capacity specifically suited for aR-class semiconductor and critical electronic applications. Its compact 22x58mm design ensures seamless integration into standard fuse holders while supporting operational voltages up to 690VAC and a rated current of 40A.
£16.06
Why Choose the Mersen FR22AR69V40T Protistor® High-Speed Fuse?
The Mersen FR22AR69V40T (Item No. D1056669) is a premium Protistor® high-speed cylindrical semiconductor fuse designed to provide ultra-fast aR protection for sensitive power semiconductor devices. Specifically engineered for power electronic applications, it protects IGBTs, thyristors, SCRs, diodes and rectifiers against damaging short-circuit currents. The integrated mechanical striker indicator enables rapid identification of an operated fuse and supports compatible remote indication systems for improved maintenance efficiency.
Manufactured in accordance with IEC 60269-4, this 22 × 58 mm cylindrical fuse delivers excellent current-limiting performance with very low I²t values, helping to minimise thermal and mechanical stress on valuable semiconductor components. Its high interrupting capacity and fast operating characteristics maximise equipment reliability while reducing costly downtime.
Rated at 40 A and 690 V AC (IEC) / 700 V AC (UL), the FR22AR69V40T is ideally suited for variable speed drives, UPS systems, industrial inverters, power converters and other demanding semiconductor protection applications.
Key Advantages
- Ultra-fast aR semiconductor protection.
- 40 A current rating.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Integrated mechanical striker indicator.
- Low I²t minimises thermal stress on semiconductor devices.
- 160 kA breaking capacity for demanding industrial applications.
Key Features
- Mersen Protistor® Size 22 × 58 mm.
- 40 A rated current.
- aR operating class for semiconductor short-circuit protection.
- Integrated mechanical striker indicator.
- Current-limiting ceramic construction.
- Excellent cycling capability.
- High interrupting capacity.
- RoHS compliant.
Fast Protection for Sensitive Semiconductor Devices
The FR22AR69V40T is engineered to interrupt high fault currents before damaging levels of thermal energy can reach sensitive semiconductor devices. Its low let-through energy improves equipment reliability, extends component life and helps minimise expensive production downtime.
The integrated mechanical striker provides fast visual indication following fuse operation and can also be utilised with compatible monitoring systems to simplify maintenance procedures.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Servo drives.
- Renewable energy systems.
- Industrial automation equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 22x58 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | D1056669 | |
| Catalogue No | FR22AR69V40T | |
| Description | High-Speed Cylindrical Fuse Protistor® Size 22x58 aR 690VAC IEC 40A With Striker | |
| EAN/UPC Code | 3605340592825 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 40 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 22x58 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 950 A²s | |
| Melting I2t | 101.8 A²s | |
| AC Max I.R./Breaking Capacity | I1: 160 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 22.2 mm | |
| Product Length | 58 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.57 kg | |
| Sell Pack Width | 114 mm | |
| Sell Pack Length | 119 mm | |
| Sell Pack Height | 24 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.057 kg | |
| Power Dissipation at Rated Current Value | 12 W | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen FR22AR69V40T used for?
It provides ultra-fast short-circuit protection for semiconductor devices used in drives, UPS systems, inverters, converters and other industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen FR22AR69V40T has a rated current of 40 A.
What voltage is the FR22AR69V40T rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the striker indicator do?
The integrated mechanical striker provides a clear indication when the fuse has operated and can be used with compatible monitoring accessories.
What does the aR operating class mean?
The aR operating class provides partial-range, ultra-fast protection against short-circuit faults for semiconductor devices and should be used alongside suitable overload protection where required.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide for delivering dependable protection of critical power electronic systems, helping maximise equipment reliability while reducing costly downtime.
