Why Choose the Mersen NH4GG50V1000 NH Fuse-Link?
The Mersen NH4GG50V1000 is a high-capacity DIN NH gG low voltage fuse-link engineered to provide dependable full-range protection against overloads and short circuits in industrial power distribution systems. Rated at 1000 A, 500 V AC and 250 V DC, this NH Size 4 fuse-link is designed to protect high-current switchgear, busbar systems, distribution equipment and heavy-duty electrical installations.
Part of Mersen's proven NH gG fuse-link range, the NH4GG50V1000 incorporates live gripping lugs and a centre indicator, allowing safe handling with an approved NH fuse puller and providing immediate visual indication when the fuse has operated. Manufactured to DIN NH and IEC standards, it delivers exceptional current-limiting performance and high interrupting capacity for demanding industrial applications.
Designed for high-power electrical distribution, industrial switchboards and power infrastructure, the NH4GG50V1000 provides reliable protection for cables, feeders and electrical equipment while helping minimise damage caused by high fault currents.
Key Advantages
- Full-range gG protection against overload and short-circuit faults.
- 1000 A rated current for high-current industrial applications.
- 500 V AC and 250 V DC operating ratings.
- High 120 kA AC breaking capacity.
- Excellent current-limiting performance reduces fault energy.
- Centre indicator enables rapid identification of an operated fuse.
- Live gripping lugs allow safe installation and replacement.
Key Features
- Mersen NH gG fuse-link series.
- Catalogue number: NH4GG50V1000.
- Manufacturer item number: P1054287.
- 1000 A rated current.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- NH Size 4 construction.
- gG full-range protection characteristic.
- Centre indication system.
- Live gripping lugs.
Reliable Protection for High-Current Distribution Systems
The Mersen NH4GG50V1000 is engineered to rapidly interrupt overload and short-circuit currents before they can damage cables, switchgear and connected equipment. Its high current-limiting capability significantly reduces thermal and mechanical stresses within electrical installations, improving overall system reliability.
Designed for installation in compatible NH Size 4 fuse bases and switch-fuse disconnectors, this fuse-link is widely specified for industrial power distribution, infrastructure projects and heavy-duty electrical installations where dependable circuit protection is essential.
Typical Applications
- Industrial power distribution systems.
- Main low voltage switchboards.
- High-current feeder protection.
- Busbar distribution systems.
- OEM switchgear assemblies.
- Commercial and industrial electrical infrastructure.
