The FR22AR69V63 fuse delivers reliable protection for semiconductors in demanding industrial environments, with a rapid response to overcurrents and fault conditions. Its high breaking capacity at 690VAC ensures safe interruption of short-circuit currents, minimising damage to sensitive equipment.
SKU:FR22AR69V63Alt SKU:FR22AR69V63MPN:C1027320
Price
List Priceex VAT
Your Price
Manufacturer Lead TimePlease contact us for a delivery time before you order
Get the best trade pricesTrade exclusive
Create a trade account to unlock exclusive pricing, special offers and more.
Why Choose the Mersen FR22AR69V63 Protistor® High-Speed Fuse?
The Mersen FR22AR69V63 is a premium Protistor® high-speed cylindrical semiconductor fuse engineered to provide rapid short-circuit protection for sensitive power semiconductor devices. Featuring an aR operating characteristic, it is specifically designed to protect components such as IGBTs, thyristors, SCRs, diodes and rectifiers used in industrial power electronic systems.
Manufactured in accordance with IEC 60269-4, the FR22AR69V63 combines a compact 22 × 58 mm cylindrical design with an exceptionally high interrupting capacity. Its low let-through energy and extremely fast operation help minimise semiconductor damage during fault conditions while reducing maintenance costs and equipment downtime.
Rated at 63 A with a 690 V AC IEC voltage rating, this fuse is ideally suited for protecting variable speed drives, UPS systems, industrial inverters, converters and other high-performance power electronic equipment operating in demanding industrial environments.
Key Advantages
High-speed aR semiconductor protection fuse.
63 A current rating for industrial power electronics.
690 V AC IEC rated voltage.
Very low I²t values for superior semiconductor protection.
160 kA breaking capacity for demanding fault conditions.
Compact 22 × 58 mm cylindrical format for straightforward installation.
Key Features
Mersen Protistor® 22 × 58 aR series.
63 A rated current.
690 V AC IEC rated voltage.
aR operating class for semiconductor short-circuit protection.
160 kA AC breaking capacity.
Fast-acting current-limiting design.
Silver-plated copper ferrule terminals.
High-strength ceramic body construction.
Reliable Protection for Power Electronics
The Mersen FR22AR69V63 is specifically designed to provide short-circuit protection for power semiconductor devices. Its fast interruption characteristics reduce thermal stress and limit fault energy, helping protect expensive electronic components before permanent damage can occur.
Protistor® semiconductor fuses are widely specified by machine builders, panel manufacturers and industrial engineers for protecting motor drives, UPS systems, renewable energy equipment and industrial automation systems where dependable semiconductor protection is essential.
Typical Applications
Variable frequency drives (VFDs).
Industrial inverters.
Power converters.
UPS systems.
Motor control equipment.
Industrial automation and control panels.
Technical Specifications
Item number
C1027320
Catalogue No
FR22AR69V63
Description
High-Speed Cylindrical Fuse Protistor® Size 22x58 aR 690VAC IEC 63A
EAN/UPC Code
3605340531343
Rated voltage AC IEC
690 V
Ampere Rating
63 A
RoHS Compliant
Yes
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
22x58
Mounting
Clip
Clearing I2t At Rated Voltage
3100 A²s
Melting I2t
386.8 A²s
AC Max I.R./Breaking Capacity
I1: 160 kA
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
15.5 W
HS Code
85361050
Country of Manufacture
Tunisia
Frequently Asked Questions
What is the Mersen FR22AR69V63 used for?
It is designed to provide high-speed short-circuit protection for power semiconductor devices used in industrial electronic equipment.
What is the current rating of this fuse?
The Mersen FR22AR69V63 has a rated current of 63 A.
What voltage is the FR22AR69V63 rated for?
The fuse is rated for operation at up to 690 V AC under IEC specifications.
What does the aR operating class mean?
The aR operating class provides high-speed short-circuit protection for semiconductor devices and is intended for use with additional overload protection where required.
Does this version include a striker indicator?
No. The FR22AR69V63 is the standard version without an integrated striker indication system.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide for delivering dependable protection of critical power electronic equipment in demanding industrial applications.
Item number
C1027320
Catalogue No
FR22AR69V63
Description
High-Speed Cylindrical Fuse Protistor® Size 22x58 aR 690VAC IEC 63A
EAN/UPC Code
3605340531343
Rated voltage AC IEC
690 V
Ampere Rating
63 A
RoHS Compliant
Yes
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
22x58
Mounting
Clip
Clearing I2t At Rated Voltage
3100 A²s
Melting I2t
386.8 A²s
AC Max I.R./Breaking Capacity
I1: 160 kA
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
15.5 W
HS Code
85361050
Country of Manufacture
Tunisia
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...