MERSEN FUSE 250V 5HT 0,5 A 5X20 MI5HT25V0,5

MERSEN FUSE 250V 5HT 0,5 A 5X20 MI5HT25V0,5

Mersen S085369 MI5HT25V0.5/100 time-lag 5 x 20 mm ceramic miniature fuse rated at 0.5 A and 250 V AC with a 1500 A breaking capacity.

SKU: S085369Alt SKU: MI5HT25V0,5MPN: S085369
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Why Choose the Mersen S085369 5 x 20 mm Time-Lag Miniature Fuse?

The Mersen S085369 is a high-quality 5 x 20 mm time-lag miniature fuse designed to provide dependable overcurrent protection for industrial electrical equipment, control circuits and electronic devices. Part of the proven Mersen 5HT IEC Miniature Fuse Series, it is engineered to tolerate temporary inrush currents while protecting against sustained overloads and short circuits.

Its time-delay operating characteristic makes it ideal for applications incorporating transformers, switched-mode power supplies, motors and other inductive loads where brief current surges occur during normal start-up. This helps minimise nuisance fuse operation while maintaining reliable circuit protection.

Rated at 0.5 A and 250 V AC, the Mersen S085369 offers dependable performance in industrial automation, instrumentation and commercial electrical equipment. The compact ceramic-bodied construction provides excellent thermal and mechanical stability while fitting standard 5 x 20 mm fuse holders.

Key Advantages

  • Time-lag characteristic withstands temporary inrush currents.
  • 0.5 A current rating for reliable low-current protection.
  • 250 V AC rated voltage for IEC electrical systems.
  • High 1,500 A breaking capacity.
  • Compact 5 x 20 mm ceramic fuse construction.
  • Manufactured by trusted electrical protection specialist Mersen.

Key Features

  • Mersen 5HT IEC Miniature Fuse Series.
  • Model: S085369.
  • Alternative catalogue number: MI5HT25V0.5/100.
  • 0.5 A rated current.
  • 250 V AC rated voltage.
  • Time-lag (slow-blow) operating characteristic.
  • Ceramic body construction.
  • RoHS compliant.

Reliable Protection for Electrical Equipment

Time-lag miniature fuses are specifically designed to withstand the brief inrush currents commonly generated when transformers, motors and power supplies are energised. This allows normal equipment operation while still providing dependable protection against prolonged overloads and fault currents.

The Mersen S085369 is widely used by panel builders, OEM manufacturers and maintenance engineers requiring dependable protection for industrial control systems, automation equipment and commercial electrical installations.

Typical Applications

  • Industrial control panels.
  • Power supplies.
  • Control transformers.
  • Automation equipment.
  • Instrumentation systems.
  • Commercial electrical equipment.
  • OEM machinery.
  • General electronic circuit protection.

Technical Specifications

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Current 0.5 A
Voltage 250 V
Device Type Fuse link
Fuse Type Miniature
Fuse Size 5x20 mm
Fuse Class Time delay
Manufacturer Mersen
Series 5HT IEC Miniature Fuses
Model S085369
Catalogue number MI5HT25V0.5/100
Product type Time-lag miniature fuse
Fuse size 5 x 20 mm
Rated current 0.5 A
Rated voltage 250 V AC
Operating characteristic Time-lag (T)
Breaking capacity 1,500 A AC
Pre-arcing I²t 1.7 A²s
Power dissipation 0.62 W
Maximum voltage drop 0.51 V
Body material Ceramic
Mounting Clip mounting
Dimensions 5 x 20 mm
RoHS compliant Yes
EAN 3605340068375

Frequently Asked Questions

What is the Mersen S085369 used for?

The Mersen S085369 provides time-lag overcurrent protection for industrial electrical equipment, electronic circuits and control systems.

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 S085369 is designed for use on circuits up to 250 V AC.

Is this a slow-blow fuse?

Yes. It features a time-lag characteristic that allows temporary inrush currents while protecting against sustained overloads and short circuits.

Where is this fuse commonly installed?

It is commonly installed in industrial control panels, automation systems, power supplies, instrumentation and OEM machinery using compatible 5 x 20 mm fuse holders.

Trusted by Electrical Professionals Worldwide

Mersen miniature fuses are trusted by panel builders, OEM manufacturers and maintenance engineers for delivering dependable, standards-compliant circuit protection across industrial and commercial applications.