MERSEN FUSE 400V SA 0,8 A 5.20 MI5SA40V0,8

MERSEN FUSE 400V SA 0,8 A 5.20 MI5SA40V0,8

Mersen G095479 MI5SA40V0.8 medium time-lag semiconductor miniature fuse rated 0.8 A and 400 V AC in a 5 x 20 mm ceramic cartridge format.

SKU: G095479Alt SKU: MI5SA40V0,8MPN: G095479
Price
List Price £4.00 ex VAT
Your Price (ex VAT)
£4.00
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.

SUBTOTAL (EX VAT) £4.00
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 50

£4.00

Why Choose the Mersen G095479 Medium Time-Lag Miniature Fuse?

The Mersen G095479, catalogue reference MI5SA40V0.8, is a medium time-lag semiconductor miniature fuse designed to provide dependable overcurrent protection for sensitive electronic equipment operating on high-voltage AC circuits. Its SA operating characteristic allows the fuse to withstand temporary inrush currents while providing reliable protection against sustained overloads and short circuits.

Part of Mersen's 5 × 20 mm 400 V SA miniature fuse range, the G095479 features a ceramic cylindrical cartridge designed for installation in compatible clip-mounted fuse holders. Its compact design makes it ideal for industrial automation, instrumentation, power supplies and semiconductor equipment where nuisance fuse operation must be minimised.

With a rated current of 0.8 A and a rated voltage of 400 V AC, the Mersen G095479 combines dependable surge tolerance with rapid fault protection, making it suitable for protecting circuits exposed to temporary start-up currents while maintaining excellent electrical reliability.

Key Advantages

  • Medium time-lag SA operating characteristic reduces nuisance fuse operation.
  • 0.8 A rated current for sensitive electronic circuits.
  • 400 V AC rated voltage for industrial applications.
  • Compact 5 × 20 mm ceramic cartridge.
  • Suitable for circuits with temporary inrush currents.
  • Low I²t values help protect sensitive electronic components.
  • Clip mounting enables quick installation and replacement.
  • RoHS-compliant construction.

Key Features

  • Mersen semiconductor miniature fuse.
  • Manufacturer item number G095479.
  • Catalogue reference MI5SA40V0.8.
  • 0.8 A rated current.
  • 400 V AC rated voltage.
  • Medium time-lag SA characteristic.
  • 5 × 20 mm fuse size.
  • Ceramic cartridge construction.
  • Clip-mounted installation.
  • Designed for semiconductor and electronic equipment protection.

Reliable Protection for Equipment with Inrush Currents

Many electronic systems experience brief current surges when energised. The Mersen G095479 is engineered with a medium time-lag characteristic that tolerates these temporary inrush currents while continuing to provide dependable protection against sustained overloads and fault conditions.

Its ceramic construction, compact dimensions and carefully controlled operating characteristics make it suitable for industrial automation equipment, power supplies, instrumentation and semiconductor circuits where reliable overcurrent protection is essential.

Typical Applications

  • Semiconductor protection circuits.
  • Industrial automation equipment.
  • Electronic power supplies.
  • Instrumentation and measurement equipment.
  • Electronic control systems.
  • Industrial control panels.
  • OEM electrical equipment.
  • Power conversion equipment.

Technical Specifications

Current 8 A
Voltage 400 V
Manufacturer Mersen
Item number G095479
Catalogue reference MI5SA40V0.8
Product type Medium time-lag semiconductor miniature fuse
Series Semiconductor Miniature Fuses Size 5 × 20 SA 400 V
Rated current 0.8 A
Rated voltage 400 V AC
Current type AC
Operating characteristic Medium time-lag (SA)
Fuse size 5 × 20 mm
Fuse format Cylindrical cartridge
Mounting type Clip mounting
Body material Ceramic
Pre-arcing I²t 0.17 A²s
Total clearing I²t 0.71 A²s
Product weight Approximately 0.0012 kg
Indication system None
RoHS compliant Yes
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 5x20 mm
Fuse Class Time delay

Frequently Asked Questions

What is the Mersen G095479 used for?

The Mersen G095479 provides medium time-lag overcurrent protection for semiconductor devices and electronic equipment operating on circuits up to 400 V AC.

What is the current rating of the G095479?

The fuse has a rated current of 0.8 A.

What voltage is the Mersen G095479 rated for?

The fuse is rated for operation up to 400 V AC.

What does the SA characteristic mean?

The SA characteristic indicates a medium time-lag fuse that tolerates temporary inrush currents while protecting against sustained overloads and short circuits.

How is the G095479 installed?

The fuse is supplied as a 5 × 20 mm ceramic cartridge for installation in compatible clip-mounted fuse holders.

Trusted Circuit Protection from Mersen

Mersen miniature semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for protecting electronic equipment, automation systems and semiconductor circuits in demanding applications.

● 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…

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...