Why Choose the Mersen NH3GG40V400-1 NH Fuse Link?
The Mersen NH3GG40V400-1 is a high-performance NH3 gG fuse link designed to provide full-range protection for cables, conductors and industrial electrical equipment. Manufactured to the DIN NH format, it protects low-voltage AC installations against overload currents and short circuits in demanding power-distribution applications.
Part of Mersen's established NH fuse-link range, the NH3GG40V400-1 features a durable ceramic body, silver-plated copper blade contacts, isolated gripping lugs and a double indication system. The isolated tags support safer handling by qualified personnel, while the dual indicator allows an operated fuse to be identified quickly during inspection and maintenance.
With a rated current of 400 A, a rated operating voltage of 400 V AC and a high 100 kA AC breaking capacity, this NH3 fuse link is suitable for industrial distribution boards, switchgear, motor control centres and high-current machinery circuits.
Key Advantages
- Industrial NH3 gG fuse link for full-range cable and equipment protection.
- 400 A rated current for high-current electrical installations.
- 400 V AC voltage rating for low-voltage distribution systems.
- High 100 kA AC breaking capacity for dependable fault interruption.
- Double indicator enables rapid identification after fuse operation.
- Isolated gripping lugs support safer professional handling and replacement.
Key Features
- Mersen NH gG fuse-link series.
- 400 A rated current.
- 400 V AC rated voltage.
- gG full-range operating characteristic.
- NH3 standard fuse size.
- 100 kA AC interrupting capacity.
- Double fuse-operation indication system.
- Isolated metal gripping lugs.
- Ceramic insulating body.
- Silver-plated copper blade contacts.
Reliable High-Current Circuit Protection
The Mersen NH3GG40V400-1 uses a gG operating characteristic to provide full-range protection against overloads and short circuits. It can interrupt fault currents from the lowest specified fusing current up to its rated breaking capacity, allowing it to serve as the primary protective device for suitable cables and equipment.
Its NH3 blade-contact construction is designed for installation in a compatible NH fuse base or fused switch-disconnector. The ceramic body provides excellent thermal and electrical insulation, while the high breaking capacity helps protect industrial equipment from the thermal and electrodynamic effects of severe short-circuit currents.
Typical Applications
- Industrial low-voltage distribution boards.
- High-current electrical switchgear.
- Cable and conductor protection.
- Motor control centres.
- Industrial machinery power circuits.
- Manufacturing and processing facilities.
- NH fuse bases and fused switch-disconnectors.
