MERSEN FUSE NH 000 20A 400V GG SGL NH000GG40V20-1

MERSEN FUSE NH 000 20A 400V GG SGL NH000GG40V20-1

Mersen NH000GG40V20-1 NH000 gG HRC fuse link rated at 20 A and 400 V AC with isolated gripping lugs and a double indicator for industrial circuit protection.

SKU: NH000GG40V20-1Alt SKU: NH000GG40V20-1MPN: V223693
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Why Choose the Mersen NH000GG40V20-1 NH Fuse Link?

The Mersen NH000GG40V20-1 is a high-quality NH000 gG low voltage HRC fuse link designed to provide dependable full-range protection against overloads and short circuits in industrial and commercial electrical installations. Manufactured by Mersen, this DIN-standard fuse link is engineered to protect cables, switchgear and electrical equipment operating on 400 V AC power distribution systems.

Designed in accordance with IEC and DIN NH standards, the NH000GG40V20-1 features isolated gripping lugs and a double operation indicator for safer handling and rapid identification when the fuse has operated. Its robust ceramic body and high breaking capacity provide reliable protection while helping minimise equipment damage and system downtime.

With a rated current of 20 A and a 400 V AC operating voltage, this NH000 fuse link is ideal for protecting feeders, control panels, switchboards, machinery and industrial distribution systems. Its gG operating characteristic provides full-range protection against both sustained overloads and high short-circuit currents.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 20 A rated current for industrial and commercial applications.
  • 400 V AC rated voltage for low voltage distribution systems.
  • Double operation indicator for quick fuse status identification.
  • Isolated gripping lugs improve installation and maintenance safety.
  • High breaking capacity protects valuable electrical equipment from severe fault currents.

Key Features

  • Mersen NH gG fuse link series.
  • NH000 fuse size.
  • 20 A rated current.
  • 400 V AC rated voltage.
  • gG utilisation category for full-range protection.
  • Double operation indicator.
  • Isolated gripping lugs.
  • Ceramic HRC fuse construction.

Reliable Protection for Low Voltage Distribution Systems

The Mersen NH000GG40V20-1 safely interrupts overload and short-circuit currents before they can damage cables, switchgear and connected equipment. Its high-performance HRC design helps improve electrical system reliability while reducing maintenance costs and downtime.

Designed for installation in compatible NH fuse bases and fuse switch disconnectors, this fuse link is widely used in industrial machinery, commercial buildings and electrical distribution infrastructure where dependable overcurrent protection is essential.

Typical Applications

  • Industrial switchboards.
  • Power distribution panels.
  • Cable and feeder protection.
  • Manufacturing machinery.
  • Industrial automation systems.
  • Commercial electrical installations.

Technical Specifications

Current 20 A
Voltage 400 V
Manufacturer Mersen
Series NH gG Fuse Links
Model NH000GG40V20-1
Item number V223693
Product type NH HRC fuse link
Fuse size NH000
Rated current 20 A
Rated voltage 400 V AC
Utilisation category gG
Breaking capacity 100 kA AC
Indicator Double indicator
Gripping lugs Isolated
Body width Approx. 20.8 mm
Power dissipation 1.9 W
Weight Approx. 0.12 kg
Compliance IEC 60269, DIN NH, RoHS
HS Code 85361050
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH000
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH000GG40V20-1 used for?

This NH fuse link protects electrical distribution circuits, cables and industrial equipment against overloads and short circuits.

What is the rated current of this fuse?

The Mersen NH000GG40V20-1 has a 20 A rated current.

What voltage is this fuse designed for?

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

What does the gG classification mean?

The gG utilisation category provides full-range protection against both overload and short-circuit faults in general-purpose electrical circuits.

Does this fuse include an operation indicator?

Yes. The NH000GG40V20-1 incorporates a double operation indicator for quick visual identification when the fuse has operated.

Trusted for Industrial Electrical Protection

Mersen NH fuse links are trusted by electrical engineers, OEMs and panel builders worldwide for reliable protection of industrial power distribution systems and critical electrical equipment.

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