MERSEN FUSE 250V 5ST 0,315A 5.20 MI5ST25V0,315

MERSEN FUSE 250V 5ST 0,315A 5.20 MI5ST25V0,315

Mersen L090538 5 x 20 mm IEC miniature time delay glass cartridge fuse rated at 0.315 A and 250 V AC for industrial and electronic circuit protection.

SKU: L090538Alt SKU: MI5ST25V0,315MPN: L090538
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Why Choose the Mersen L090538 5 x 20 mm Time Delay Glass Cartridge Fuse?

The Mersen L090538 is a high-quality 5 x 20 mm time delay (T) glass cartridge fuse designed to provide dependable overcurrent protection for industrial, commercial and electronic equipment. Manufactured by Mersen, one of the world's leading circuit protection specialists, this fuse delivers reliable performance while allowing temporary inrush currents to pass without nuisance operation.

As part of the proven Mersen 5ST IEC miniature fuse series, the L090538 is engineered to protect electrical distribution circuits, control panels, instrumentation and industrial machinery. Its time delay characteristic makes it particularly suitable for applications with motors, transformers and inductive loads that experience high starting currents.

Featuring a 0.315 A current rating, 250 V AC voltage rating and a standard 5 x 20 mm glass body, this fuse provides consistent protection whilst maintaining full compliance with international standards for miniature fuses.

Key Advantages

  • High-quality time delay glass cartridge fuse for industrial and electronic protection.
  • 0.315 A current rating for sensitive circuit protection.
  • 250 V AC rated for IEC electrical systems.
  • Time delay characteristic withstands temporary motor and transformer inrush currents.
  • Standard 5 x 20 mm size for easy replacement.
  • Manufactured by trusted circuit protection specialist Mersen.

Key Features

  • Mersen 5ST IEC Miniature Fuse Series.
  • Catalogue number: MI5ST25V0.315.
  • Current rating: 0.315 A.
  • Voltage rating: 250 V AC.
  • Fuse characteristic: Time Delay (T).
  • Fuse size: 5 x 20 mm.
  • Glass body construction.
  • RoHS compliant.
  • Suitable for industrial and electronic equipment protection.

Reliable Protection for Electrical Equipment

Time delay cartridge fuses are designed to protect electrical circuits from sustained overloads and short circuits while tolerating temporary inrush currents generated during equipment start-up. This helps minimise unnecessary fuse replacement while maintaining reliable protection for valuable electrical equipment.

The Mersen 5ST range is widely used by panel builders, maintenance engineers and OEM manufacturers where dependable circuit protection is essential for industrial machinery, automation systems and electronic control equipment.

Typical Applications

  • Industrial control panels.
  • Motor control circuits.
  • Power supplies.
  • Automation equipment.
  • Electronic instrumentation.
  • Transformers and inductive loads.
  • Industrial machinery.
  • OEM electrical equipment.

Technical Specifications

Current 315 A
Voltage 250 V
Manufacturer Mersen
Series 5ST IEC Miniature Fuses
Model L090538
Catalogue number MI5ST25V0.315
Product type Time delay glass cartridge fuse
Current rating 0.315 A
Voltage rating 250 V AC
Current type AC
Fuse characteristic Time Delay (T)
Fuse size 5 x 20 mm
Body material Glass
Standards IEC miniature fuse
RoHS compliant Yes
Device Type Fuse link
Fuse Size 5x20 mm
Fuse Class Time delay

Frequently Asked Questions

What is the Mersen L090538 used for?

It provides overcurrent protection for industrial electrical equipment, electronic circuits and automation systems using a 5 x 20 mm fuse.

What does the time delay characteristic mean?

A time delay fuse allows temporary inrush currents, such as those produced by motors and transformers, without operating unnecessarily while still protecting against sustained overloads.

What are the electrical ratings?

The fuse is rated at 0.315 A with a maximum operating voltage of 250 V AC.

What size is the fuse?

The Mersen L090538 is manufactured in the industry standard 5 x 20 mm glass cartridge format.

Where is this fuse commonly installed?

It is commonly fitted within industrial control panels, electronic equipment, automation systems, power supplies and machinery requiring dependable overcurrent protection.

Trusted by Electrical Professionals Worldwide

Mersen miniature fuses are trusted by OEM manufacturers, machine builders and maintenance engineers worldwide for dependable circuit protection across industrial automation, power distribution and electronic applications.

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