Why Choose the Mersen NH3GG50V300-1 NH Fuse Link?
The Mersen NH3GG50V300-1 is a high-performance NH gG low voltage fuse link designed to protect industrial power distribution systems, electrical cables and equipment against overload and short-circuit conditions. Manufactured by Mersen, this DIN standard fuse link provides dependable full-range protection for demanding commercial and industrial electrical installations.
The NH3GG50V300-1 features isolated gripping lugs and a double operating indicator, improving safety during maintenance while allowing engineers to identify an operated fuse quickly. Its durable ceramic body, silver-plated copper terminals and high breaking capacity support reliable operation in switchboards, control panels and industrial power systems.
With a rated current of 300 A, a 500 V AC operating voltage and an NH Size 3 format, this fuse link is suitable for high-current distribution circuits, industrial machinery and electrical infrastructure requiring robust and dependable fault protection.
Key Advantages
- Full-range gG fuse link for overload and short-circuit protection.
- 300 A rated current for high-current industrial applications.
- 500 V AC and 250 V DC ratings for flexible circuit protection.
- High 120 kA AC breaking capacity for effective fault interruption.
- Isolated gripping lugs improve safety during fuse handling and replacement.
- Double indicator enables quick visual identification of fuse operation.
Key Features
- Mersen NH gG fuse-link series.
- 300 A rated current.
- 500 V AC / 250 V DC rated voltage.
- NH Size 3 DIN standard construction.
- 120 kA AC breaking capacity.
- Double operating indicator.
- Isolated gripping lugs for safer maintenance.
- Silver-plated copper plain-blade terminals.
Reliable Protection for High-Current Electrical Systems
The Mersen NH3GG50V300-1 uses a gG operating characteristic to provide full-range protection against both sustained overloads and high-level short circuits. This helps protect electrical cables, switchgear, distribution equipment and connected machinery from thermal damage and potentially destructive fault currents.
Its 120 kA AC breaking capacity enables the fuse to interrupt substantial prospective fault currents safely. The double indicator and isolated gripping lugs also simplify maintenance by improving fuse status visibility and reducing the risk of accidental contact during replacement by appropriately qualified personnel.
Typical Applications
- Industrial power distribution systems.
- Main electrical switchboards and distribution panels.
- Industrial machinery and production equipment.
- Motor control centres and automation installations.
- Commercial and industrial cable protection.
- OEM electrical panels and switchgear assemblies.
