MERSEN FUSE NH 00 125A 400V GG SGL NH00GG40V125-1

MERSEN FUSE NH 00 125A 400V GG SGL NH00GG40V125-1

Mersen NH00GG40V125-1 NH00 gG fuse link rated at 125 A and 400 V AC with double indication and isolated gripping lugs for industrial cable and equipment protection.

SKU: NH00GG40V125-1Alt SKU: NH00GG40V125-1MPN: G223704
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Why Choose the Mersen NH00GG40V125-1 NH Fuse Link?

The Mersen NH00GG40V125-1 is a high-quality NH00 gG fuse link designed to provide dependable full-range protection for electrical cables, switchgear and industrial power distribution equipment. Manufactured to DIN NH standards, this low-voltage fuse delivers reliable overload and short-circuit protection while helping maintain the safety and continuity of industrial electrical installations.

Featuring a gG operating characteristic, the NH00GG40V125-1 offers complete protection across the entire fault current range, from sustained overloads to high-energy short circuits. The fuse incorporates a double indication system and isolated gripping lugs, making inspection and replacement safer and more efficient for qualified electrical personnel.

With a rated current of 125 A and a rated voltage of 400 V AC, this NH size 00 fuse link is suitable for industrial control panels, switchboards and power distribution systems. Its ceramic body and silver-plated blade contacts provide long service life and dependable performance in demanding electrical environments.

Key Advantages

  • Full-range gG fuse protection for cables and electrical equipment.
  • 125 A rated current for industrial power distribution.
  • 400 V AC operating voltage for low-voltage installations.
  • High current-limiting performance reduces damage during fault conditions.
  • Double indication system enables rapid fuse identification.
  • Isolated gripping lugs improve safety during fuse replacement.

Key Features

  • Mersen NH gG fuse-link series.
  • 125 A current rating.
  • 400 V AC rated voltage.
  • NH00 DIN fuse size.
  • gG full-range operating characteristic.
  • Double visual indication system.
  • Isolated gripping lugs.
  • Ceramic body with blade contacts.

Reliable Protection for Industrial Power Systems

The Mersen NH00GG40V125-1 is designed to disconnect electrical circuits rapidly during overloads and short circuits, helping minimise thermal stress and electrodynamic forces on connected equipment. Its current-limiting characteristics assist in protecting cables, switchgear and industrial installations from costly damage.

As a gG full-range fuse, the NH00GG40V125-1 protects both overload and fault currents, making it suitable as the primary protective device in a wide range of industrial and commercial electrical systems. Installation should always be carried out by suitably qualified personnel using compatible NH fuse bases and fuse pullers.

Typical Applications

  • Industrial power distribution systems.
  • Electrical switchboards.
  • Motor control centres.
  • Distribution panels and control cabinets.
  • Cable and conductor protection.
  • Commercial and industrial electrical installations.

Technical Specifications

Current 125 A
Voltage 400 V
Manufacturer Mersen
Series NH Fuse Links gG 400 VAC
Model NH00GG40V125-1
Item number G223704
Product type DIN NH fuse link
Operating characteristic gG
Rated current 125 A
Rated voltage 400 V AC
Fuse size NH00
Breaking capacity 120 kA
Power dissipation at rated current 7.4 W
Indication system Double indicator
Gripping lugs Isolated
Body width 29.5 mm
Body material Ceramic
Weight Approx. 0.2 kg
EAN 8430399021812
RoHS compliant Yes
HS Code 85361090
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH00
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH00GG40V125-1 used for?

This fuse link provides overload and short-circuit protection for industrial cables, switchgear and electrical distribution equipment.

What is the current rating of this fuse?

The NH00GG40V125-1 has a rated current of 125 A.

What voltage is this fuse designed for?

This model is designed for use on electrical systems operating up to 400 V AC.

What does the gG characteristic mean?

The gG characteristic provides full-range protection against both overload currents and short circuits, making it suitable for general-purpose cable and equipment protection.

What is the purpose of the isolated gripping lugs?

The isolated gripping lugs improve operator safety by assisting qualified personnel when removing or installing the fuse using suitable NH fuse handling tools.

Trusted Protection for Industrial Installations

Mersen NH fuse links are trusted by electrical contractors, panel builders and industrial maintenance engineers worldwide for dependable protection of low-voltage power distribution systems.

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