SKU: Q076466Alt SKU: 1000VFA0,63A6.46MPN: Q076466
MERSEN FUSE 1000V FA 0,63 A 6.46 1000VFA0,63A6.46

MERSEN FUSE 1000V FA 0,63 A 6.46 1000VFA0,63A6.46

Mersen Q076466 MI6FA100V0.63 high speed semiconductor miniature fuse rated 0.63 A and 1000 V AC, with a 6.3 x 46 mm clip-mounted cylindrical format.

Price
List Price ex VAT
Your Price
On backorder 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.

Trade pricing is personalised to your account

Available on backorder

Sold in packs of 10

£7.41

Why Choose the Mersen Q076466 MI6FA100V0.63 High Speed Miniature Fuse?

The Mersen Q076466, catalogue reference MI6FA100V0.63, is a compact high speed semiconductor fuse designed to protect sensitive electronic components against overcurrents and short circuits. Its very fast-acting performance helps limit damaging fault energy before it reaches valuable semiconductor devices.

Rated at 0.63 A and 1000 V AC, this miniature fuse is suitable for high-voltage electronic and industrial circuits where rapid fault interruption is essential. It uses a compact 6.3 × 46 mm cylindrical format for installation in a compatible clip-mounted fuse holder.

The Q076466 forms part of Mersen's MI6 FA miniature semiconductor fuse range. Its high breaking capacity, compact dimensions and rapid operating characteristic make it particularly suitable for protecting converters, diodes, thyristors, triacs and other power-electronic components.

Key Advantages

  • Very fast-acting semiconductor fuse for rapid fault interruption.
  • 0.63 A current rating for sensitive low-current circuits.
  • 1000 V AC voltage rating for high-voltage electronic applications.
  • Helps minimise damaging energy passed to semiconductor components.
  • Compact 6.3 × 46 mm cylindrical construction.
  • Suitable for straightforward installation in compatible fuse clips and holders.

Key Features

  • Mersen MI6 FA miniature semiconductor fuse series.
  • Catalogue number: MI6FA100V0.63.
  • Manufacturer part number: Q076466.
  • Rated current: 0.63 A.
  • Rated voltage: 1000 V AC.
  • High speed FA operating characteristic.
  • Very high breaking capacity for dependable fault protection.
  • Clip-mounted cylindrical fuse construction.
  • No integrated indication system.
  • UL/CSA recognised range.

Reliable Protection for Power Electronics

Semiconductor devices can be damaged by relatively short-duration overcurrent events. High speed fuses are engineered to interrupt these faults rapidly, reducing the amount of thermal and electrical energy passed through the protected circuit.

The Mersen Q076466 is designed for circuits where conventional general-purpose fuses may not operate quickly enough. Its FA characteristic supports reliable protection of power-electronic components while its 1000 V AC rating makes it suitable for demanding industrial systems.

Typical Applications

  • Semiconductor power converters.
  • Diode protection circuits.
  • Thyristor and triac circuits.
  • Industrial power electronics.
  • Electronic power supplies.
  • Automation and control equipment.
  • Test and measurement systems.
  • OEM electronic assemblies.

Technical Specifications

Current 63 A
Voltage 000 V
Manufacturer Mersen
Series MI6 FA 1000 V Semiconductor Miniature Fuses
Model MI6FA100V0.63
Part number Q076466
Product type High speed semiconductor miniature fuse
Rated current 0.63 A
Rated voltage 1000 V AC
Electrical system AC
Speed / characteristic High speed FA
Fuse size 6.3 × 46 mm
Mounting type Clip mounting
Clearing I²t at rated voltage 0.35 A²s
Indication system None
Product weight Approx. 0.0025 kg
EAN / UPC 3605340017816
Compliance RoHS, REACH and UKCA declarations available

Frequently Asked Questions

What is the Mersen Q076466 used for?

The Q076466 provides high speed protection for sensitive semiconductor components, including converters, diodes, thyristors and triacs.

What current rating does the Q076466 have?

The Mersen Q076466 has a rated current of 0.63 A.

What voltage is this fuse rated for?

This miniature semiconductor fuse is rated for operation at up to 1000 V AC.

Is the Mersen Q076466 a fast-acting fuse?

Yes. It has a high speed FA characteristic designed to interrupt faults rapidly and protect sensitive power-electronic components.

How is the Q076466 installed?

The fuse has a cylindrical 6.3 × 46 mm format and is designed for clip mounting in a compatible fuse holder.

Trusted by Power-Electronics Engineers Worldwide

Mersen high speed semiconductor fuses are used by equipment manufacturers, automation engineers and maintenance professionals to protect sensitive power-electronic components from damaging fault currents.

● 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.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  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…

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

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

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...