Why Choose the Mersen NH1GG69V20 NH Fuse Link?
The Mersen NH1GG69V20 is a high-quality DIN NH gG fuse link engineered to provide full-range protection for low-voltage electrical distribution systems, industrial equipment and power circuits. Manufactured by Mersen, this NH1 fuse link offers dependable protection against both overloads and short-circuit faults, making it an ideal solution for demanding industrial and commercial installations.
As part of the proven Mersen NH gG 690 V AC fuse series, the NH1GG69V20 features live gripping lugs and a double indication system, allowing maintenance personnel to quickly identify an operated fuse and safely replace it using an approved NH fuse puller. Its ceramic body and current-limiting design help minimise thermal and mechanical stress on electrical equipment during fault conditions.
With a 20 A rated current, 690 V AC operating voltage, 400 V DC rating and a 120 kA AC breaking capacity, the NH1GG69V20 is ideal for protecting cables, switchgear, distribution panels and industrial power systems requiring reliable circuit protection.
Key Advantages
- Full-range gG protection for cables and electrical equipment.
- 20 A rated current for industrial and commercial distribution circuits.
- 690 V AC and 400 V DC rated voltage.
- 120 kA AC breaking capacity for dependable fault interruption.
- Current-limiting design helps minimise equipment damage during faults.
- Double indication system for rapid fuse status identification.
- Live gripping lugs simplify safe fuse replacement.
- Designed in accordance with DIN NH and IEC standards.
Key Features
- Mersen NH gG fuse link series.
- NH1 DIN fuse size.
- 20 A rated current.
- 690 V AC rated voltage.
- 400 V DC rated voltage.
- Full-range gG operating characteristic.
- 120 kA AC breaking capacity.
- Double operating indicator.
- Live gripping lugs.
- Ceramic insulating body.
- Body width approximately 30 mm.
- Clip mounting in compatible NH fuse bases.
Reliable Protection for Industrial Distribution Systems
The Mersen NH1GG69V20 uses a full-range gG operating characteristic, enabling it to interrupt currents from sustained overloads through to high prospective short-circuit currents. This makes it suitable as a standalone protective device for cables, conductors and general-purpose electrical equipment.
Its current-limiting performance reduces thermal and electrodynamic stress throughout the installation, helping protect switchgear, busbars, wiring and connected equipment while improving system reliability and reducing maintenance requirements.
Typical Applications
- Industrial switchboards.
- Commercial electrical distribution systems.
- Cable and feeder protection.
- Distribution panels.
- Industrial machinery.
- Infrastructure and utility installations.
