Why Choose the Mersen NH3GG69V300 NH Fuse Link?
The Mersen NH3GG69V300 is a heavy-duty DIN NH gG fuse link engineered to provide reliable full-range protection for low-voltage power distribution systems. Designed in accordance with IEC standards, this NH Size 3 fuse protects cables, switchgear, motor circuits and industrial electrical equipment against overloads and short circuits while maintaining exceptional performance in demanding environments.
As part of the proven Mersen NH gG 690 V fuse link series, the NH3GG69V300 incorporates live gripping lugs with a double indicator, allowing maintenance personnel to quickly identify an operated fuse and replace it safely using an approved NH fuse puller. Its robust ceramic body and high breaking capacity make it ideal for industrial power distribution and OEM machinery.
With a 300 A current rating, 690 V AC operating voltage and 250 V DC capability, the NH3GG69V300 is perfectly suited to high-current distribution systems requiring dependable circuit protection and long-term reliability.
Key Advantages
- High-performance DIN NH Size 3 gG fuse link.
- 300 A rated current for high-power industrial applications.
- 690 V AC / 250 V DC operating capability.
- Provides complete overload and short-circuit protection.
- Double indicator enables rapid identification of operated fuses.
- Live gripping lugs support safe replacement using an NH fuse puller.
Key Features
- Mersen NH gG fuse link series.
- Catalogue number: NH3GG69V300.
- NH Size 3 fuse link.
- 300 A rated current.
- 690 V AC rated voltage.
- 250 V DC rated voltage.
- General-purpose gG utilisation category.
- Double indicator with live gripping lugs.
- Ceramic body construction.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG69V300 is designed to interrupt high fault currents safely while providing dependable protection against overloads and short circuits. Its gG characteristic delivers full-range protection for cables, feeders and general-purpose electrical equipment used in industrial installations.
Engineered for demanding environments, this NH Size 3 fuse is widely specified by OEMs, panel builders and maintenance engineers where dependable protection and compliance with international standards are essential.
Typical Applications
- Industrial power distribution systems.
- Main distribution and feeder circuits.
- Motor control centres (MCCs).
- Switchboards and distribution panels.
- OEM machinery and process equipment.
- Commercial and industrial electrical installations.
