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MERSEN FUSE NH 4 400A 690V GG MID IND NH4GG69V400

MERSEN FUSE NH 4 400A 690V GG MID IND NH4GG69V400

Mersen NH4GG69V400 NH4 gG industrial fuse link rated at 400 A and 690 V AC, providing full-range protection for industrial power distribution systems.

SKU: Z1054296Alt SKU: NH4GG69V400MPN: Z1054296
Price
List Price £359.04 ex VAT
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£359.04
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Manufacturer Lead Time

£359.04

Why Choose the Mersen NH4GG69V400 NH Fuse?

The Mersen NH4GG69V400 (Z1054296) is a premium NH gG industrial fuse link designed to provide full-range protection against overloads and short circuits in low-voltage electrical distribution systems. Manufactured to DIN NH standards, this fuse delivers dependable circuit protection for cables, switchgear and industrial electrical equipment operating in demanding environments.

As part of the trusted Mersen NH gG fuse-link series, the NH4GG69V400 offers excellent current-limiting performance and high breaking capacity, helping minimise damage to electrical installations during fault conditions. Its ceramic construction, centre-mounted indicator and live gripping lugs allow reliable operation and straightforward maintenance within compatible NH fuse bases.

With a 400 A current rating, 690 V AC operating voltage and NH4 size, this fuse is ideally suited for protecting industrial power distribution systems, switchboards, motor circuits and electrical infrastructure requiring dependable overcurrent protection.

Key Advantages

  • High-performance NH gG fuse link for industrial power distribution.
  • 400 A rated current for demanding industrial applications.
  • 690 V AC operating voltage suitable for low-voltage distribution systems.
  • Full-range protection against overloads and short circuits.
  • High current-limiting performance with 120 kA breaking capacity.
  • Centre-mounted indicator for rapid fuse status identification.

Key Features

  • Mersen NH gG fuse-link series.
  • NH4 fuse size.
  • 400 A rated current.
  • 690 V AC / 250 V DC rated voltage.
  • gG utilisation category.
  • Centre-mounted fuse operation indicator.
  • Live gripping lugs.
  • Ceramic body with blade contacts.

Reliable Protection for Industrial Power Distribution

The Mersen NH4GG69V400 provides comprehensive protection for industrial electrical installations by interrupting overload and short-circuit currents before they can damage cables, switchgear and connected equipment. Its gG operating characteristic makes it suitable for general-purpose protection across a wide range of industrial and commercial applications.

The fuse combines high breaking capacity with excellent current-limiting performance, helping reduce thermal and mechanical stress during fault conditions. Its robust ceramic body and centre indicator make it a dependable choice for engineers, OEMs and maintenance professionals responsible for critical electrical infrastructure.

Typical Applications

  • Industrial power distribution systems.
  • Electrical switchboards.
  • Distribution panels.
  • Cable protection.
  • Motor feeders and industrial equipment.
  • Infrastructure and manufacturing facilities.

Technical Specifications

Current 400 A
Voltage 690 V
Manufacturer Mersen
Series NH Fuse-links gG 690 V AC
Model NH4GG69V400
Item number Z1054296
Product type NH industrial fuse link
Fuse size NH4
Utilisation category gG
Rated current 400 A
Rated voltage AC 690 V
Rated voltage DC 250 V
Breaking capacity 120 kA AC
Power dissipation 31.5 W
Indicator Centre indicator
Connection Live gripping lugs
Body width 100 mm
Weight Approx. 2.1 kg
Body material Ceramic
Compliance IEC 60269, DIN NH, RoHS compliant
HS Code 85361090
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH4GG69V400 used for?

This NH gG fuse link provides full-range protection against overloads and short circuits in industrial electrical distribution systems.

What is the current rating of this fuse?

The Mersen NH4GG69V400 has a 400 A rated current.

What voltage is the NH4GG69V400 rated for?

This fuse is rated for operation at 690 V AC and 250 V DC.

What does the gG utilisation category mean?

The gG classification indicates a full-range fuse designed to protect cables, conductors and electrical equipment against both overloads and short-circuit faults.

Does this fuse include an operation indicator?

Yes. The NH4GG69V400 features a centre-mounted indicator that provides clear visual confirmation after the fuse has operated.

Trusted Protection for Industrial Electrical Systems

Mersen NH gG fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for dependable circuit protection, high fault interruption capability and long-term reliability in demanding power distribution systems.

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