Why Choose the Mersen NH00GG50V40-1 40A NH00 gG Fuse Link?
The Mersen NH00GG50V40-1, manufacturer reference W218772, is a 40 A NH size 00 gG fuse link designed for general-purpose protection of cables, conductors and electrical equipment in low-voltage distribution systems. Its full-range gG characteristic provides protection against both overload currents and short-circuit currents when correctly selected for the application.
Rated at 500 V AC and 250 V DC, the NH00GG50V40-1 is suitable for compatible NH fuse bases, fuse switch disconnectors and low-voltage distribution equipment. The fuse incorporates insulated metal gripping lugs and a combination indicator, providing a robust format for industrial electrical installations.
The NH00GG50V40-1 provides a rated breaking capacity of 120 kA AC and 40 kA DC, enabling interruption of substantial prospective fault currents under its specified conditions. Power dissipation at rated current is approximately 3.4 W.
Key Advantages
- 40 A gG full-range protection against overload and short-circuit currents.
- 500 V AC and 250 V DC rated voltage capability.
- High 120 kA AC breaking capacity for demanding distribution applications.
- Standard NH size 00 format for compatible NH fuse equipment.
- Insulated metal gripping lugs for the designated NH handling system.
- Integrated combination indicator assists with identification of fuse operation.
Key Features
- Mersen NH low-voltage fuse link.
- 40 A rated current.
- 500 V AC / 250 V DC rated voltage.
- gG utilisation category for full-range general-purpose protection.
- NH size 00 construction.
- 120 kA AC / 40 kA DC rated breaking capacity.
- 3.4 W power dissipation at rated current.
- Combination indicator with insulated metal gripping lugs.
Full-Range Protection for Low-Voltage Distribution
A gG fuse link provides full-range protection for general-purpose electrical circuits, responding to both sustained overload conditions and high short-circuit currents. This makes the NH00GG50V40-1 suitable for protecting cables, conductors and electrical equipment where a 40 A NH fuse is specified.
The NH format is widely used in industrial and commercial low-voltage distribution because it combines high breaking capacity with robust construction and replaceable fuse protection. The Mersen NH00GG50V40-1 provides a 120 kA AC rated breaking capacity, supporting dependable fault-current interruption in demanding electrical distribution installations.
Typical Applications
- Industrial low-voltage electrical distribution systems.
- Cable and conductor overload and short-circuit protection.
- Electrical switchboards and distribution panels.
- Compatible NH fuse switch disconnectors.
- Industrial machinery and equipment supply circuits.
- General-purpose 40 A NH00 fuse protection applications.
