Why Choose the Mersen NH3GG50V250-1 NH Fuse Link?
The Mersen NH3GG50V250-1 is a premium NH3 gG fuse link designed to provide dependable full-range protection for industrial power distribution systems, electrical switchgear, cables and machinery. Manufactured to DIN NH standards, this low-voltage fuse delivers reliable overload and short-circuit protection while offering outstanding current-limiting performance for demanding industrial applications.
Featuring a gG operating characteristic, the NH3GG50V250-1 protects electrical circuits across the complete fault current range, from sustained overloads through to severe short-circuit conditions. The fuse incorporates a double indication system together with isolated gripping lugs, allowing rapid identification of an operated fuse while improving handling safety during replacement by qualified personnel.
With a rated current of 250 A, an AC voltage rating of 500 V and a DC voltage rating of 250 V, this NH size 3 fuse link is ideally suited for industrial switchboards, distribution panels and machinery supply circuits. Its ceramic body and silver-plated blade contacts ensure dependable electrical performance and a long operational service life.
Key Advantages
- Full-range gG protection against overloads and short circuits.
- 250 A rated current for industrial power distribution.
- Suitable for systems operating up to 500 V AC and 250 V DC.
- 120 kA breaking capacity provides dependable fault interruption.
- Double indication system enables rapid identification of an operated fuse.
- Isolated gripping lugs improve installation and replacement safety.
Key Features
- Mersen NH gG fuse-link series.
- 250 A current rating.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- NH3 DIN fuse size.
- gG full-range operating characteristic.
- Double visual indication system.
- Isolated gripping lugs.
- Silver-plated blade contacts.
- Robust ceramic insulating body.
Reliable Protection for Industrial Electrical Systems
The Mersen NH3GG50V250-1 rapidly interrupts overload and short-circuit currents before they can damage cables, switchgear and connected electrical equipment. Its current-limiting characteristics reduce thermal stress and electrodynamic forces, helping improve equipment reliability while minimising maintenance costs and unplanned downtime.
As a gG full-range fuse, this fuse link provides comprehensive protection against both overload and short-circuit currents. It is widely used in industrial power distribution systems where dependable low-voltage circuit protection is essential. Installation and replacement should always be carried out by qualified personnel using compatible NH fuse bases and approved fuse pullers.
Typical Applications
- Industrial power distribution systems.
- Electrical switchboards.
- Distribution panels and control cabinets.
- Cable and conductor protection.
- Industrial machinery.
- Commercial and manufacturing electrical installations.
