MERSEN FUSE 5SM 400MA MITTELTR. MI5SM25V0,4

MERSEN FUSE 5SM 400MA MITTELTR. MI5SM25V0,4

Mersen N212026 MI5SM25V0.4 IEC miniature 5 x 20 mm glass fuse with 0.4 A rating, 250 V AC operation and medium time-lag characteristic for industrial and electronic circuit protection.

SKU: N212026Alt SKU: MI5SM25V0.4MPN: N212026
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List Price £0.55 ex VAT
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Sold in packs of 100

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Why Choose the Mersen N212026 Miniature Fuse?

The Mersen N212026 (Catalogue No. MI5SM25V0.4) is a high-quality 5 x 20 mm IEC miniature glass fuse designed to provide dependable overcurrent protection for electrical and electronic equipment. Part of the trusted Mersen 5SM series, this medium time-lag fuse is ideal for applications where temporary inrush currents occur without causing nuisance operation.

Manufactured to IEC standards, the N212026 combines reliable fault protection with consistent performance in industrial, commercial and OEM applications. Its glass body allows quick visual inspection of the fuse element, while silver-plated end caps provide excellent electrical conductivity and long service life.

Rated at 0.4 A and 250 V AC, this compact fuse is suitable for protecting control circuits, instrumentation, electronic equipment and industrial control panels where reliable circuit protection is essential.

Key Advantages

  • Reliable IEC miniature fuse for industrial and electronic equipment.
  • Medium time-lag characteristic withstands temporary inrush currents.
  • 0.4 A current rating for precise circuit protection.
  • 250 V AC rating suitable for a wide range of control applications.
  • Compact 5 x 20 mm format for universal fuse holders.
  • Glass body enables quick visual inspection of fuse condition.

Key Features

  • Mersen 5SM miniature fuse series.
  • Catalogue number: MI5SM25V0.4.
  • Current rating: 0.4 A.
  • Rated voltage: 250 V AC.
  • Medium time-lag (slow-blow) characteristic.
  • 5 x 20 mm IEC miniature fuse size.
  • Glass body with silver-plated contacts.
  • RoHS compliant construction.

Reliable Protection for Sensitive Electrical Circuits

The Mersen 5SM series is engineered to provide dependable protection against overloads and short circuits while tolerating the temporary surge currents often experienced during equipment start-up. This helps minimise unnecessary fuse replacement while maintaining excellent circuit protection.

Its compact 5 x 20 mm format makes the N212026 suitable for use across industrial control systems, automation equipment, instrumentation and electronic assemblies requiring dependable overcurrent protection.

Typical Applications

  • Industrial control panels.
  • Automation equipment.
  • Electronic control circuits.
  • Instrumentation and measuring equipment.
  • Power supplies.
  • OEM machinery and electrical equipment.

Technical Specifications

Manufacturer Mersen
Series 5SM IEC Miniature Fuses
Model N212026
Catalogue number MI5SM25V0.4
Product type IEC miniature glass fuse
Current rating 0.4 A
Rated voltage 250 V AC
Characteristic Medium time-lag
Fuse size 5 x 20 mm
Mounting Clip mounted
Breaking capacity 300 A
Body material Glass
Compliance RoHS
Product dimensions 5.1 mm diameter × 20 mm length
Product weight Approx. 1.2 g
HS Code 85361010
Country of Manufacture Germany
Device Type Fuse link
Fuse Type Miniature
Fuse Size 5x20 mm
Fuse Class Time delay
Voltage 250 V

Frequently Asked Questions

What is the Mersen N212026 used for?

The N212026 provides reliable overcurrent protection for industrial control circuits, electronic equipment and electrical systems using a 5 x 20 mm fuse.

What is the current rating of this fuse?

This fuse has a 0.4 A current rating.

Is this a fast-acting fuse?

No. The N212026 features a medium time-lag characteristic, allowing it to tolerate temporary inrush currents before operating.

What voltage is this fuse rated for?

The fuse is rated for 250 V AC operation.

What size fuse is the N212026?

It is manufactured in the standard 5 x 20 mm IEC miniature fuse format for compatibility with suitable fuse holders.

Trusted by Electrical Professionals Worldwide

Mersen miniature fuses are trusted by panel builders, machine manufacturers and maintenance engineers for dependable overcurrent protection, consistent performance and compliance with international electrical standards.

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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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