MERSEN FUSE NH 2C 250A 400V GG NH2GG40V250

MERSEN FUSE NH 2C 250A 400V GG NH2GG40V250

Mersen NH2GG40V250 DIN NH Size 2 gG fuse-link rated at 250 A and 400 V AC for industrial electrical distribution and circuit protection.

SKU: NH2GG40V250Alt SKU: NH2GG40V250MPN: M223732
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Why Choose the Mersen NH2GG40V250 NH Fuse-Link?

The Mersen NH2GG40V250 is a high-performance DIN NH gG fuse-link engineered to provide dependable full-range protection against overloads and short circuits in low-voltage electrical distribution systems. As part of the trusted Mersen NH gG 400 V AC fuse-link series, it is designed to protect cables, feeders, switchgear and industrial power distribution equipment in demanding commercial and industrial environments.

Designed in accordance with IEC standards, the NH2GG40V250 combines exceptional current-limiting performance with a high breaking capacity, helping minimise thermal and mechanical stress during fault conditions. Its robust ceramic body, double indication system and live gripping lugs ensure reliable operation while enabling rapid identification and safe replacement of an operated fuse.

With a rated current of 250 A and a rated voltage of 400 V AC, this NH Size 2 fuse-link is ideal for industrial switchboards, motor control centres, distribution panels and OEM electrical equipment. Its DIN-standard design ensures compatibility with standard NH Size 2 fuse bases and switch disconnectors.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 250 A rated current for industrial power distribution.
  • 400 V AC rated voltage.
  • 100 kA breaking capacity for dependable fault interruption.
  • Excellent current limiting characteristics reduce equipment damage.
  • Double indicator enables quick visual identification of an operated fuse.
  • Compatible with standard DIN NH Size 2 fuse bases.

Key Features

  • Mersen NH gG 400 V AC fuse-link series.
  • DIN NH Size 2.
  • 250 A rated current.
  • 400 V AC rated voltage.
  • General-purpose gG operating characteristic.
  • Double fuse operation indicator.
  • Live gripping lugs.
  • Ceramic fuse body.
  • Body width of approximately 40 mm.
  • RoHS compliant.

Reliable Protection for Industrial Electrical Systems

The Mersen NH2GG40V250 provides reliable overcurrent protection by safely interrupting overloads and short-circuit faults before they can damage electrical equipment. Its gG characteristic makes it suitable for protecting cables, switchgear, distribution feeders and general-purpose low-voltage circuits.

Its excellent current limiting performance reduces thermal stress and electrodynamic forces during faults, helping improve equipment longevity while supporting safe and reliable operation in demanding industrial environments.

Typical Applications

  • Industrial switchboards.
  • Main and sub-distribution panels.
  • Power distribution feeders.
  • Motor control centres.
  • OEM electrical equipment.
  • Commercial electrical installations.
  • Infrastructure and utility projects.

Technical Specifications

Current 250 A
Voltage 400 V
Manufacturer Mersen
Series NH Fuse-Links gG 400 V AC
Model NH2GG40V250
Manufacturer part number M223732
EAN 8430399021720
Product type DIN NH general-purpose fuse-link
Fuse characteristic gG
Fuse size NH2
Rated current 250 A
Rated voltage 400 V AC
Breaking capacity 100 kA AC
Power dissipation 17.1 W
Body width 39.5 mm
Indicator Double indicator
Gripping lugs Live gripping lugs
Weight Approx. 0.42 kg
Compliance IEC 60269, RoHS compliant
HS Code 85361090
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH2
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH2GG40V250 used for?

It provides overload and short-circuit protection for low-voltage electrical distribution systems, cables, feeders and switchgear.

What is the rated current of this fuse-link?

The NH2GG40V250 has a rated current of 250 A.

What voltage is this fuse rated for?

This fuse-link is designed for operation on 400 V AC electrical systems.

What does the gG characteristic mean?

The gG characteristic provides full-range protection against overloads and short circuits, making it suitable for general-purpose electrical circuit protection.

Does the NH2GG40V250 include a blown fuse indicator?

Yes. It features a double indication system that provides a clear visual indication when the fuse-link has operated.

Trusted by Electrical Professionals Worldwide

Mersen NH gG fuse-links are trusted by panel builders, maintenance engineers and electrical contractors for dependable circuit protection, excellent current limiting performance and long service life in industrial power distribution systems.

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