Why Choose the Mersen NH4GG69V630P-2 NH Fuse-Link?
The Mersen NH4GG69V630P-2 is a high-capacity DIN NH gG fuse-link designed to provide dependable full-range overload and short-circuit protection for industrial power distribution systems, switchgear, cables and electrical equipment. Manufactured by Mersen, this NH4 size fuse-link is engineered for demanding low voltage applications where high fault interruption capability and long service life are essential.
Part of the proven Mersen NH gG 500 to 690 V AC fuse-link series, the NH4GG69V630P-2 incorporates live gripping lugs and an integrated striker for remote indication and auxiliary switching applications. Its robust ceramic construction and current-limiting design help minimise equipment damage during electrical faults while ensuring reliable protection of industrial distribution systems.
With a rated current of 630 A and a 690 V AC operating voltage, the NH4GG69V630P-2 is ideal for protecting high-current switchboards, distribution panels, transformers and industrial machinery where reliable full-range circuit protection is required.
Key Advantages
- Full-range gG protection for industrial electrical distribution.
- 630 A rated current for high-power applications.
- 690 V AC rated voltage suitable for industrial power systems.
- Integrated striker for remote signalling and auxiliary switching.
- High current-limiting performance reduces fault energy.
- Live gripping lugs support safe installation and replacement.
- Designed for demanding industrial low voltage installations.
Key Features
- Mersen NH gG fuse-link series.
- 630 A rated current.
- 690 V AC rated voltage.
- DIN NH4 size construction.
- gG utilisation category for full-range protection.
- Integrated striker mechanism.
- Live gripping lugs.
- Ceramic industrial fuse construction.
- 100 mm body width.
- RoHS-compliant design.
Reliable Full-Range Protection for Industrial Power Systems
The Mersen NH4GG69V630P-2 provides comprehensive protection against both overloads and short-circuit currents. Its gG operating characteristic makes it suitable for protecting industrial cables, conductors, transformers, switchgear and general-purpose electrical equipment throughout the full operating current range.
The integrated striker enables remote fuse indication or operation of auxiliary contacts, making this fuse-link particularly suitable for modern switchboards and monitored industrial installations where rapid fault detection is important. Its current-limiting design helps reduce thermal and mechanical stress on downstream equipment during fault conditions.
Typical Applications
- Industrial electrical distribution systems.
- High-current switchboards.
- Transformer protection.
- Cable and conductor protection.
- Industrial control panels.
- Manufacturing and processing facilities.
