MERSEN FUSE NH 2 400A 400V GG NH2GG40V400

MERSEN FUSE NH 2 400A 400V GG NH2GG40V400

Mersen NH2GG40V400 DIN NH2 gG fuse-link rated 400 A, 400 V AC with double indicator, live gripping lugs and 100 kA breaking capacity.

SKU: NH2GG40V400Alt SKU: NH2GG40V400MPN: Q223735
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Why Choose the Mersen NH2GG40V400 NH Fuse-Link?

The Mersen NH2GG40V400 is a high-performance DIN NH low voltage gG fuse-link engineered to provide dependable full-range protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted Mersen NH gG 400 V fuse-link series, it protects cables, conductors, switchgear and electrical equipment whilst meeting DIN NH and IEC requirements.

Designed with a gG utilisation category, this fuse-link delivers complete circuit protection across its entire operating range. It features a durable ceramic body with double indication and live gripping lugs, allowing quick visual inspection and safe replacement using an approved NH fuse puller.

With a rated current of 400 A, a 400 V AC rating and a 100 kA breaking capacity, the NH2GG40V400 is ideally suited to industrial switchboards, power distribution systems, motor control centres and OEM electrical equipment where reliable high-current circuit protection is essential.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 400 A rated current for demanding industrial applications.
  • 400 V AC operating voltage for low voltage distribution systems.
  • 100 kA breaking capacity for dependable fault interruption.
  • Double indicator enables rapid fuse status identification.
  • Live gripping lugs support safe handling using approved NH fuse pullers.
  • Excellent current-limiting performance reduces thermal and mechanical stress during faults.
  • DIN NH standard design ensures compatibility with approved fuse bases and switch-disconnectors.

Key Features

  • Mersen NH gG 400 V fuse-link series.
  • Catalogue number: NH2GG40V400.
  • Item number: Q223735.
  • Fuse size: NH2.
  • 400 A rated current.
  • 400 V AC rated voltage.
  • gG utilisation category.
  • Double visual indicator.
  • Live gripping lugs.
  • Ceramic body with knife-blade contacts.
  • RoHS compliant.

Reliable Protection for Low Voltage Distribution

The Mersen NH2GG40V400 rapidly interrupts overload and short-circuit currents, protecting cables, switchgear and connected electrical equipment from excessive thermal and mechanical stress. Its excellent current-limiting characteristics help minimise fault energy whilst improving overall system reliability.

Designed for industrial switchgear, power distribution panels and OEM machinery, this NH2 fuse-link provides dependable long-term circuit protection where high fault interruption capability is essential.

Typical Applications

  • Industrial switchboards.
  • Power distribution panels.
  • Motor control centres.
  • Cable and feeder protection.
  • OEM electrical equipment.
  • Commercial electrical installations.
  • Industrial machinery.

Technical Specifications

Current 400 A
Voltage 400 V
Manufacturer Mersen
Series NH gG 400 V Fuse-Links
Model NH2GG40V400
Item number Q223735
Product type DIN NH low voltage fuse-link
Fuse characteristic gG
Fuse size NH2
Rated current 400 A
Rated voltage AC 400 V
Current type AC
Breaking capacity 100 kA AC
Indicator Double indicator
Gripping lugs Live gripping lugs
Body width 51.1 mm
Weight Approx. 0.64 kg
Standards IEC 60269 / DIN NH
Compliance RoHS
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 NH2GG40V400 used for?

This fuse-link provides full-range protection for cables, conductors and general electrical equipment against overloads and short circuits.

What is the current rating of this fuse?

The NH2GG40V400 has a rated current of 400 A.

What voltage is this fuse designed for?

It is designed for operation on systems up to 400 V AC.

What does the gG characteristic mean?

The gG utilisation category provides complete protection against both overloads and short circuits in general-purpose electrical circuits.

What is the breaking capacity of this fuse-link?

The NH2GG40V400 has a 100 kA AC breaking capacity, allowing it to safely interrupt very high prospective fault currents when correctly installed.

Trusted by Electrical Professionals Worldwide

Mersen NH fuse-links are trusted by electrical contractors, panel builders, OEMs and industrial engineers for dependable circuit protection, high fault interruption capability and long-term reliability in low voltage power distribution systems.

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