Call Us Today
01706 242050
Trade Portal
MERSEN FUSE 6,921 CP GR 22.58 0012 FR22GR69V12T

MERSEN FUSE 6,921 CP GR 22.58 0012 FR22GR69V12T

Engineered for reliable short-circuit protection in demanding industrial applications, the FR22GR69V12T fuse meets IEC 60269-4 standards and supports systems up to 690VAC with a rated current of 12A. Its high-speed operation and full-range gR characteristics ensure effective safeguarding of semiconductors and sensitive equipment during fault conditions.

SKU: FR22GR69V12TAlt SKU: FR22GR69V12TMPN: W1018620
Price
List Price £16.91 ex VAT
Your Price (ex VAT)
£16.91
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £16.91
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 10

£16.91

Why Choose the Mersen FR22GR69V12T High-Speed Semiconductor Fuse?

The Mersen FR22GR69V12T is a premium Protistor® high-speed cylindrical semiconductor fuse engineered to provide rapid and reliable protection for power semiconductor devices used in industrial power electronics. Part of the proven Mersen Protistor® 22 × 58 mm gR series, this version features an integrated striker indicator to simplify fault detection and maintenance.

Designed in accordance with IEC 60269-1 and IEC 60269-4, the FR22GR69V12T delivers exceptional current-limiting performance and a very high breaking capacity, helping to minimise damage to costly semiconductor components during short-circuit conditions. It is widely used in variable speed drives, inverters, UPS systems, rectifiers and industrial automation equipment.

With a 12 A current rating, 690 V AC IEC / 700 V AC UL voltage rating and compact 22 × 58 mm cylindrical body, the FR22GR69V12T provides dependable protection while fitting standard fuse holders used in industrial electrical panels. The built-in striker enables easy integration with fuse monitoring systems.

Key Advantages

  • High-speed gR semiconductor protection fuse.
  • Integrated striker indicator for remote fault indication.
  • 12 A current rating for sensitive semiconductor circuits.
  • 690 V AC IEC / 700 V AC UL rated.
  • Excellent current-limiting characteristics minimise equipment damage.
  • Compact 22 × 58 mm cylindrical construction for simple installation.

Key Features

  • Mersen Protistor® semiconductor fuse series.
  • 22 × 58 mm cylindrical fuse.
  • 12 A rated current.
  • 690 V AC IEC / 700 V AC UL rated voltage.
  • gR utilisation category for semiconductor protection.
  • Integrated striker for fuse operation indication.
  • Complies with IEC 60269-1 & IEC 60269-4.
  • Suitable for industrial power electronics and automation systems.

Reliable Protection for Industrial Power Electronics

The FR22GR69V12T is designed to interrupt fault currents extremely quickly, protecting IGBTs, SCRs, diodes and other semiconductor devices from catastrophic failure. Its current-limiting characteristics reduce thermal and mechanical stress, helping maximise equipment reliability and minimise costly downtime.

The integrated striker provides clear fuse status indication and can be connected to compatible monitoring systems for faster maintenance, making it ideal for modern industrial automation and power conversion applications.

Typical Applications

  • Variable frequency drives (VFDs).
  • Servo drives and motion control equipment.
  • Industrial inverters and converters.
  • UPS systems and power supplies.
  • Rectifiers and DC drives.
  • OEM machinery and industrial automation panels.

Technical Specifications

Item number W1018620
Catalogue No FR22GR69V12T
Description High-Speed Cylindrical Fuse Protistor® Size 22x58 gR 690VAC IEC 12A With Striker
EAN/UPC Code 3605340513851
Rated voltage AC IEC 690 V
Ampere Rating 12 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gR
Fuse Size 22x58
Mounting Clip
Clearing I2t At Rated Voltage 60 A²s
Melting I2t 5.4 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 0.6 kg
Sell Pack Width 111 mm
Sell Pack Length 117 mm
Sell Pack Height 23 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.06 kg
Power Dissipation at Rated Current Value 4.4 W
HS Code 85361050
Country of Manufacture Tunisia
Fuse Type Semiconductor
Fuse Size 22x58 mm
Fuse Class gR
Voltage 690 V

Frequently Asked Questions

What is the Mersen FR22GR69V12T used for?

It protects power semiconductor devices in industrial drives, converters, UPS systems and other power electronic equipment against short-circuit faults.

What is the difference between the FR22GR69V12 and FR22GR69V12T?

The FR22GR69V12T includes an integrated striker indicator, allowing easier fault indication and compatibility with monitoring systems.

What are the voltage and current ratings?

The fuse is rated at 12 A with a 690 V AC IEC and 700 V AC UL voltage rating.

What does the gR classification mean?

The gR utilisation category provides full-range protection specifically for semiconductor devices, offering rapid interruption of overloads and short circuits.

Where is this fuse commonly installed?

It is typically installed in compatible cylindrical fuse holders within electrical control panels, motor drives, converters and industrial automation equipment.

Trusted for Industrial Semiconductor Protection

Mersen Protistor® semiconductor fuses are trusted by machine builders, panel manufacturers and maintenance engineers worldwide for providing fast, dependable protection of valuable power electronic equipment.

● Service Agreements

Credit Accounts

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.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by | Aug 11, 2026 |

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

by | Jan 17, 2026 |

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

by | Jan 17, 2026 |

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...