MERSEN FUSE NH 1 315A 500V GG NH1GG50V315

MERSEN FUSE NH 1 315A 500V GG NH1GG50V315

Mersen NH1GG50V315 DIN NH1 gG fuse-link rated 315 A, 500 V AC and 250 V DC with double indicator, live gripping lugs and 120 kA breaking capacity.

SKU: NH1GG50V315Alt SKU: NH1GG50V315MPN: Q228519
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Why Choose the Mersen NH1GG50V315 NH Fuse-Link?

The Mersen NH1GG50V315 is a premium DIN NH low voltage gG fuse-link designed to provide dependable full-range protection against overloads and short circuits in industrial and commercial electrical systems. As part of the proven Mersen NH gG 500 V fuse-link series, it protects cables, conductors, switchgear and electrical equipment whilst complying with IEC and DIN NH standards.

Designed with a gG utilisation characteristic, this fuse-link provides complete circuit protection throughout its operating range. Its robust ceramic body incorporates a double indicator together with live gripping lugs, allowing quick visual inspection and safe replacement using an approved NH fuse puller.

With a rated current of 315 A, a rated voltage of 500 V AC, a 250 V DC rating and a compact NH1 fuse size, the NH1GG50V315 is ideal for industrial switchboards, power distribution systems, motor control centres and OEM electrical equipment requiring dependable low voltage circuit protection.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 315 A rated current for industrial power distribution.
  • 500 V AC operating voltage for low voltage systems.
  • 120 kA AC breaking capacity for dependable fault interruption.
  • Double indicator enables rapid fuse status identification.
  • Live gripping lugs allow safe replacement using approved NH fuse pullers.
  • Current-limiting performance helps minimise equipment damage during faults.
  • DIN NH construction ensures compatibility with standard fuse bases and switch-disconnectors.

Key Features

  • Mersen NH gG 500 V fuse-link series.
  • Catalogue number: NH1GG50V315.
  • Item number: Q228519.
  • Fuse size: NH1.
  • 315 A rated current.
  • 500 V AC / 250 V DC rated voltage.
  • gG full-range utilisation category.
  • Double visual indicator.
  • Live gripping lugs.
  • Ceramic body with plain blade contacts.
  • RoHS compliant.

Reliable Protection for Industrial Power Distribution

The Mersen NH1GG50V315 rapidly interrupts overload and short-circuit currents, protecting cables, switchgear and connected electrical equipment from excessive thermal and mechanical stress. Its current-limiting characteristics help reduce fault energy whilst improving the reliability of industrial electrical installations.

The gG characteristic enables complete general-purpose protection for distribution circuits, making this fuse-link suitable for demanding industrial power distribution, motor control and OEM applications where dependable fault interruption is essential.

Typical Applications

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

Technical Specifications

Current 315 A
Voltage 500 V
Manufacturer Mersen
Series NH gG 500 V Fuse-Links
Model NH1GG50V315
Item number Q228519
EAN / UPC 8430399026121
Product type DIN NH low voltage fuse-link
Fuse characteristic gG
Fuse size NH1
Rated current 315 A
Rated voltage AC 500 V
Rated voltage DC 250 V
Current type AC / DC
Breaking capacity 120 kA AC
Indicator Double indicator
Gripping lugs Live gripping lugs
Connection type Plain blade contacts
Body width 40 mm
Dimensions (L × W × H) 135 × 40 × 64 mm
Weight Approx. 0.42 kg
Power dissipation 20.5 W
Compliance IEC 60269, RoHS
HS Code 85361090
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH1
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH1GG50V315 used for?

This fuse-link provides full-range overload and short-circuit protection for cables, conductors, switchgear and general electrical equipment.

What is the rated current of the NH1GG50V315?

The NH1GG50V315 has a rated current of 315 A.

What voltage is this fuse-link designed for?

It is rated for operation on systems up to 500 V AC and 250 V DC.

What does the gG characteristic mean?

The gG characteristic identifies a full-range fuse-link providing protection against both overloads and short circuits in general-purpose electrical circuits.

What is the breaking capacity of this fuse-link?

The NH1GG50V315 has a 120 kA AC breaking capacity, enabling it to safely interrupt 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 reliable long-term performance in demanding low voltage power distribution systems.

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