MERSEN FUSE NH 1C 63A 690V GG SGL NH1GG69V63-1

MERSEN FUSE NH 1C 63A 690V GG SGL NH1GG69V63-1

Mersen NH1GG69V63-1 DIN NH1 gG fuse link rated at 63 A, 690 V AC and 400 V DC, featuring isolated gripping tags, double indication and an 80 kA AC breaking capacity.

SKU: NH1GG69V63-1Alt SKU: NH1GG69V63-1MPN: A229747
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List Price £30.68 ex VAT
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Why Choose the Mersen NH1GG69V63-1 NH Fuse Link?

The Mersen NH1GG69V63-1, manufacturer item number A229747, is a high-performance NH1 gG fuse link designed to provide full-range overcurrent protection for cables, switchgear and industrial electrical equipment. Manufactured by Mersen, this DIN-standard fuse link offers dependable protection against both overloads and short circuits in demanding low-voltage power distribution systems.

Rated at 63 A, 690 V AC and 400 V DC, the NH1GG69V63-1 features a gG operating characteristic. This full-range classification allows the fuse to interrupt currents from low-level overload conditions through to severe short-circuit faults, making it suitable for general-purpose cable, line and equipment protection.

The fuse incorporates isolated gripping tags and a double indication system to support safer handling and straightforward identification of an operated fuse. Its ceramic body and silver-plated copper blade contacts provide excellent insulation, thermal durability and reliable electrical conductivity in industrial and commercial installations.

Key Advantages

  • High-performance NH1 gG full-range fuse link.
  • 63 A rated current for industrial electrical protection.
  • 690 V AC and 400 V DC voltage ratings.
  • High 80 kA AC breaking capacity.
  • Protects circuits against both overloads and short circuits.
  • Double indicator simplifies fuse-status inspection.
  • Isolated gripping tags support safer replacement procedures.
  • Durable ceramic body provides excellent thermal and electrical insulation.

Key Features

  • Mersen NH gG fuse-link series.
  • Manufacturer item number: A229747.
  • NH1 fuse size.
  • gG operating characteristic.
  • 63 A rated current.
  • 690 V AC / 400 V DC rated voltage.
  • 80 kA AC breaking capacity.
  • Double fuse-operation indicator.
  • Isolated metal gripping tags.
  • Silver-plated copper blade terminals.
  • Robust ceramic insulating body.
  • Clip-mounted installation.
  • RoHS compliant.

Reliable Full-Range Electrical Protection

The Mersen NH1GG69V63-1 provides full-range circuit protection by interrupting sustained overload currents as well as severe short-circuit faults. Its gG characteristic makes it suitable for protecting cables, conductors, switchgear and general electrical equipment without requiring a separate short-circuit protection fuse.

The high 80 kA AC breaking capacity enables the fuse to safely interrupt substantial prospective fault currents when correctly selected and installed. The isolated gripping tags support safer handling with an approved NH fuse puller, while the double indicator allows maintenance personnel to identify an operated fuse quickly.

Typical Applications

  • Industrial electrical distribution boards.
  • Commercial power distribution panels.
  • Cable and conductor protection.
  • Switchgear and control panels.
  • Industrial machinery and production equipment.
  • Transformer secondary circuits.
  • OEM power distribution assemblies.
  • AC and DC low-voltage installations.

Technical Specifications

Current 63 A
Voltage 690 V
Manufacturer Mersen
Series NH Fuse Links gG 690 V AC with Double Indicator and Isolated Gripping Tags
Model NH1GG69V63-1
Manufacturer item number A229747
Product type DIN NH standard fuse link
Product group Low-voltage IEC fuses
Fuse size NH1
Operating class gG
Rated current 63 A
Rated voltage AC 690 V
Rated voltage DC 400 V
Breaking capacity 80 kA AC
Current type AC / DC
Indication system Double indicator
Gripping-tag design Isolated tags
Terminal type Plain blades
Terminal material Silver-plated copper
Body material Ceramic
Mounting type Clip / compatible NH fuse base
Dimensions (L × W × H) Approx. 135 × 30 × 64 mm
Power dissipation at rated current 6.6 W
Product weight Approx. 0.29 kg
EAN / UPC 8430399026213
RoHS compliant Yes
Standard pack quantity 1 piece
Standards IEC 60269-1, IEC 60269-2 and VDE 0636 Part 201
HS Code 85361050
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 NH1GG69V63-1 used for?

It is an NH1 gG fuse link used to protect cables, conductors, switchgear and electrical equipment against overload and short-circuit currents.

What are the current and voltage ratings?

The NH1GG69V63-1 is rated at 63 A, 690 V AC and 400 V DC.

What does the gG operating class mean?

The gG classification identifies a full-range general-purpose fuse that protects electrical circuits against both overload currents and short-circuit faults.

What is the breaking capacity of this fuse?

The fuse has an AC breaking capacity of 80 kA, allowing it to interrupt high prospective fault currents when correctly installed.

What are the benefits of the isolated gripping tags and double indicator?

The isolated tags support safer handling with a suitable NH fuse puller, while the double indicator makes it easier to identify when the fuse has operated.

Trusted for Industrial Electrical Protection

Mersen NH fuse links are widely specified by electrical engineers, panel builders and maintenance professionals for dependable cable protection, high fault-current interruption and reliable performance in low-voltage distribution systems.

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