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MERSEN FUSE 250V 3SF 0,5A 6.32 MI6SF25V0.5

MERSEN FUSE 250V 3SF 0,5A 6.32 MI6SF25V0.5

Mersen R090566 0.5 A, 250 V AC quick-acting 6.3 x 32 mm IEC miniature fuse for industrial electrical and electronic circuit protection.

SKU: R090566Alt SKU: MI6SF25V0.5MPN: R090566
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List Price £0.64 ex VAT
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Why Choose the Mersen R090566 6.3 x 32 mm Quick-Acting Miniature Fuse?

The Mersen R090566 is a high-quality 6.3 x 32 mm quick-acting miniature fuse designed to provide rapid overcurrent protection for industrial electrical equipment and electronic circuits. Manufactured by Mersen, this fuse belongs to the proven 3SF IEC Miniature Fuse Series, delivering dependable protection for OEM machinery, control panels, instrumentation and power supplies.

Its fast-acting characteristic enables the fuse to interrupt fault currents quickly, helping protect sensitive electrical components from damage caused by overloads and short circuits. The ceramic construction ensures reliable performance in demanding industrial and commercial environments.

Rated at 0.5 A and 250 V AC, the Mersen R090566 is suitable for applications requiring compact, reliable circuit protection while complying with IEC miniature fuse requirements.

Key Advantages

  • Quick-acting protection for sensitive electrical circuits.
  • 0.5 A current rating for precision circuit protection.
  • 250 V AC voltage rating for IEC applications.
  • Compact 6.3 x 32 mm miniature fuse format.
  • Rapid interruption helps minimise equipment damage.
  • Manufactured by trusted electrical protection specialist Mersen.

Key Features

  • Mersen 3SF IEC Miniature Fuse Series.
  • Model: R090566.
  • 0.5 A rated current.
  • 250 V AC rated voltage.
  • Quick-acting (fast blow) operating characteristic.
  • 6.3 x 32 mm IEC fuse format.
  • Ceramic body construction.
  • RoHS compliant.

Reliable Protection for Sensitive Electrical Equipment

Quick-acting miniature fuses are designed to disconnect electrical circuits rapidly when excessive current is detected, helping prevent damage to electronic components, wiring and industrial equipment. Their fast response makes them ideal for protecting sensitive devices where immediate fault interruption is required.

The Mersen R090566 is widely used by machine builders, panel manufacturers and maintenance engineers requiring dependable circuit protection in automation equipment, instrumentation and industrial control systems.

Typical Applications

  • Industrial control panels.
  • Automation equipment.
  • Electronic power supplies.
  • Instrumentation systems.
  • Control circuits.
  • OEM machinery.
  • Industrial electronic equipment.
  • Electrical maintenance applications.

Technical Specifications

Current 5 A
Voltage 250 V
Manufacturer Mersen
Series 3SF IEC Miniature Fuses
Model R090566
Catalogue number MI6SF25V0.5
Product type Quick-acting miniature fuse
Fuse size 6.3 x 32 mm
Rated current 0.5 A
Rated voltage 250 V AC
Operating characteristic Quick acting
Breaking capacity 35 A
Application Overcurrent protection
RoHS compliant Yes
HS Code 85361010
Device Type Fuse link
Fuse Type Miniature
Fuse Size 6.3x32 mm
Fuse Class Fast acting

Frequently Asked Questions

What is the Mersen R090566 used for?

The Mersen R090566 provides fast-acting overcurrent protection for industrial electrical equipment and sensitive electronic circuits.

What is the current rating of this fuse?

This fuse has a rated current of 0.5 A.

What voltage is the fuse designed for?

The R090566 is rated for operation on circuits up to 250 V AC.

Is this a fast-acting fuse?

Yes. It belongs to Mersen's 3SF series of quick-acting IEC miniature fuses designed for rapid fault interruption.

Where is this fuse commonly installed?

It is commonly installed in industrial control panels, instrumentation, automation equipment, power supplies and OEM machinery requiring compact circuit protection.

Trusted by Electrical Professionals Worldwide

Mersen miniature fuses are trusted worldwide by panel builders, OEM manufacturers and maintenance engineers for delivering reliable, standards-compliant protection for industrial electrical and electronic equipment.

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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.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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