MERSEN FUSE 250V 5ST 0,125A 5.20 MI5ST25V0,125

MERSEN FUSE 250V 5ST 0,125A 5.20 MI5ST25V0,125

Mersen G090534 5 x 20 mm time-delay miniature fuse rated at 0.125 A and 250 V AC for reliable overcurrent protection in industrial and electronic equipment.

SKU: G090534Alt SKU: MI5ST25V0,125MPN: G090534
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Why Choose the Mersen G090534 Miniature Fuse?

The Mersen G090534 is a premium quality 5 x 20 mm time-delay miniature fuse designed to provide dependable overcurrent protection for electrical and electronic equipment where temporary inrush currents are expected. As part of the proven Mersen 5ST IEC miniature fuse series, it delivers reliable protection while preventing nuisance operation during motor starts and transformer energisation.

Designed in accordance with IEC standards, this time-delay fuse is ideal for protecting circuits that experience short-duration current surges. Its compact design allows simple installation in industrial control equipment, power supplies, instrumentation and automation systems requiring dependable circuit protection.

With a 0.125 A current rating and a 250 V AC voltage rating, the Mersen G090534 provides effective protection for sensitive electrical equipment whilst tolerating normal transient currents during start-up.

Key Advantages

  • Time-delay (slow-blow) operation reduces nuisance fuse failures.
  • Compact 5 × 20 mm IEC miniature fuse design.
  • 0.125 A current rating for low-current circuits.
  • 250 V AC rated voltage for industrial and commercial applications.
  • Suitable for circuits with temporary inrush currents.
  • Manufactured by Mersen for reliable long-term protection.

Key Features

  • Mersen 5ST IEC miniature fuse series.
  • Time-delay (T) operating characteristic.
  • 5 × 20 mm miniature fuse format.
  • 0.125 A rated current.
  • 250 V AC rated voltage.
  • Designed for industrial electrical protection.
  • RoHS compliant.
  • Manufactured to IEC miniature fuse standards.

Reliable Protection for Electrical Equipment

Time-delay miniature fuses are specifically designed for applications where equipment draws a temporary surge current during normal operation. The delayed operating characteristic allows these short-duration surges to pass while still providing effective protection against sustained overloads and short circuits.

The Mersen 5ST series is widely used in industrial automation, instrumentation, power supplies, transformers and electrical control panels where dependable protection and long service life are essential.

Typical Applications

  • Industrial control panels.
  • Power supplies.
  • Control transformers.
  • Instrumentation equipment.
  • Automation systems.
  • Electronic equipment with inrush currents.

Technical Specifications

Current 125 A
Voltage 250 V
Manufacturer Mersen
Series 5ST IEC Miniature Fuses
Model G090534
Catalogue number MI5ST25V0.125
Product type Time-delay miniature fuse
Fuse size 5 × 20 mm
Rated current 0.125 A
Rated voltage 250 V AC
Operating characteristic Time-delay (Slow-blow)
Standards IEC miniature fuse
Body type Miniature cartridge fuse
RoHS compliant Yes
Device Type Fuse link
Fuse Type Miniature
Fuse Size 5x20 mm
Fuse Class Time delay

Frequently Asked Questions

What is the Mersen G090534 used for?

It provides dependable overcurrent protection for electrical and electronic equipment that experiences temporary inrush currents during normal operation.

What current rating does this fuse have?

The Mersen G090534 has a 0.125 A current rating.

What voltage is this fuse designed for?

This miniature fuse is rated for use on circuits up to 250 V AC.

Is this a slow-blow fuse?

Yes. The Mersen G090534 features a time-delay (slow-blow) characteristic, making it suitable for circuits with temporary start-up currents.

Where is this fuse commonly installed?

It is commonly installed in industrial control equipment, power supplies, instrumentation, automation systems and transformer circuits.

Trusted for Industrial Circuit Protection

Mersen miniature fuses are trusted worldwide by OEMs, machine builders and maintenance engineers for dependable circuit protection, high manufacturing quality and compliance with recognised international standards.

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