Why Choose the Mersen NH3GG69V500 NH Fuse-Link?
The Mersen NH3GG69V500 is a heavy-duty DIN NH gG fuse-link engineered to provide dependable overload and short-circuit protection for industrial low-voltage power distribution systems. As part of Mersen's proven NH gG 690 V AC fuse-link range, it offers reliable protection for switchgear, distribution boards, motor control centres and OEM electrical equipment.
Featuring a 500 A rated current and voltage ratings of up to 690 V AC and 250 V DC, the NH3GG69V500 incorporates a gG utilisation category, providing full-range protection against both overloads and severe short-circuit faults. Its robust ceramic construction, double indicator and live gripping lugs ensure dependable performance and straightforward maintenance in demanding industrial environments.
Manufactured to IEC and DIN standards, this NH3 size fuse-link is ideal for high-current industrial applications where reliable fault interruption, high breaking capacity and long service life are essential.
Key Advantages
- Provides full-range overload and short-circuit protection.
- 500 A rated current for high-power distribution systems.
- 690 V AC and 250 V DC rated operation.
- gG utilisation category for comprehensive circuit protection.
- Double indicator enables rapid identification of an operated fuse.
- Live gripping lugs improve safe installation and replacement.
Key Features
- Mersen NH gG fuse-link series.
- Catalogue number: NH3GG69V500.
- NH3 fuse size.
- 500 A current rating.
- 690 V AC rated voltage.
- 250 V DC rated voltage.
- gG full-range utilisation category.
- High rupturing capacity ceramic construction.
- Double operation indicator.
- Live gripping lugs.
- Body width approximately 71.9 mm.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The NH3GG69V500 is designed to protect high-current electrical distribution systems against overloads and severe short-circuit faults. Its gG operating characteristic provides complete protection for cables, conductors and electrical equipment, making it suitable for a wide variety of industrial power applications.
The fuse-link's high-current capability, ceramic body and robust blade contacts ensure dependable operation within switchgear, motor control centres and low-voltage distribution equipment, helping minimise equipment damage and reduce downtime during electrical faults.
Typical Applications
- Industrial low-voltage distribution systems.
- Main distribution switchboards.
- Motor control centres.
- Power distribution panels.
- OEM machinery and process equipment.
- Heavy industrial electrical installations.
