MERSEN FUSE NH 3C 315A 400V GG NH3GG40V315

MERSEN FUSE NH 3C 315A 400V GG NH3GG40V315

Mersen NH3GG40V315 NH Size 3 gG low voltage fuse link rated at 315 A and 400 V AC with double indication and live gripping lugs for industrial cable and equipment protection.

SKU: NH3GG40V315Alt SKU: NH3GG40V315MPN: S223737
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List Price £39.96 ex VAT
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Why Choose the Mersen NH3GG40V315 NH Fuse Link?

The Mersen NH3GG40V315 is a high-performance NH gG low voltage fuse link engineered to provide full-range protection for industrial power distribution systems, switchgear and cable installations. As part of the trusted Mersen NH fuse-link series, it protects electrical circuits against overloads and short circuits while complying with IEC and DIN NH standards.

With a 315 A rated current and a 400 V AC rated operating voltage, this NH Size 3 fuse link is designed for demanding industrial applications. Its double operating indicator provides rapid visual identification of an operated fuse, while the live gripping lugs enable safe installation and replacement using an approved NH fuse puller.

The NH3GG40V315 combines a rugged ceramic body with DIN NH blade contacts and a high 100 kA AC breaking capacity, making it ideal for protecting cables, switchgear, distribution panels and industrial machinery against damaging fault currents.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 315 A rated current for industrial power distribution.
  • 400 V AC rated operating voltage.
  • 100 kA AC breaking capacity.
  • Double operating indicator enables rapid fault identification.
  • Live gripping lugs simplify installation and maintenance.

Key Features

  • Mersen NH gG fuse-link series.
  • NH Size 3.
  • 315 A rated current.
  • 400 V AC rated voltage.
  • gG utilisation category for full-range protection.
  • 100 kA AC breaking capacity.
  • Double visual operating indicator.
  • Live gripping lugs.
  • DIN NH ceramic construction.
  • 51 mm body width.

Reliable Protection for Industrial Electrical Systems

The Mersen NH3GG40V315 is designed to interrupt excessive fault currents before they damage cables, switchgear and connected electrical equipment. Its gG operating characteristic provides dependable protection against both overload conditions and severe short circuits, making it suitable for a wide range of industrial distribution applications.

Installed in a compatible NH Size 3 fuse base, the NH3GG40V315 delivers reliable long-term protection in manufacturing facilities, commercial buildings and infrastructure projects. Replacement should always be carried out by qualified personnel using an approved NH fuse puller.

Typical Applications

  • Industrial power distribution systems.
  • Main and sub-distribution switchboards.
  • Electrical distribution panels.
  • Protection of industrial cables and conductors.
  • OEM machinery and automation equipment.
  • Commercial and infrastructure electrical installations.

Technical Specifications

Current 315 A
Voltage 400 V
Manufacturer Mersen
Item number S223737
Series NH Fuse Links gG 400 VAC
Model NH3GG40V315
Product type NH low voltage fuse link
Fuse size NH3
Rated current 315 A
Rated voltage 400 V AC
Current type AC
Utilisation category gG
Rated AC breaking capacity 100 kA
Indicator Double indicator
Connection type Live gripping lugs
Body width 51 mm
Power dissipation at rated current 19.8 W
Weight Approx. 0.65 kg
Mounting Compatible NH Size 3 fuse base
RoHS compliant Yes
HS Code 85361090
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH3
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH3GG40V315 used for?

This NH fuse link provides full-range overload and short-circuit protection for industrial electrical distribution systems, switchgear and cables.

What is the rated current of the NH3GG40V315?

The Mersen NH3GG40V315 has a rated current of 315 A.

What voltage is this fuse rated for?

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

What does the gG utilisation category mean?

The gG operating characteristic provides full-range protection against overloads and short circuits for general electrical equipment and cable installations.

Why does this fuse include a double indicator?

The double indicator provides a clear visual indication when the fuse has operated, helping maintenance personnel quickly identify and replace the fuse.

Trusted for Industrial Circuit Protection

Mersen NH gG fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for dependable protection of electrical distribution systems, switchgear and industrial equipment.

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