Why Choose the Mersen NH3GG40V500 NH Fuse Link?
The Mersen NH3GG40V500 is a high-performance DIN NH gG fuse link designed to provide comprehensive protection for low-voltage electrical distribution systems, cables and industrial equipment. Manufactured by Mersen, this NH3 fuse link delivers reliable overload and short-circuit protection while meeting the requirements of IEC NH fuse standards.
Part of the trusted Mersen NH gG 400 V AC fuse series, the NH3GG40V500 features live gripping lugs and a double indicator system, enabling quicker identification of an operated fuse and safer replacement using an appropriate NH fuse puller. Its robust ceramic construction and current-limiting design help minimise damage to connected equipment during fault conditions.
With a 500 A rated current, 400 V AC operating voltage and a 100 kA breaking capacity, the NH3GG40V500 is ideally suited for industrial switchboards, power distribution panels and commercial electrical installations requiring dependable circuit protection.
Key Advantages
- Full-range gG protection for cables and electrical equipment.
- 500 A rated current for high-current industrial applications.
- 400 V AC rated voltage.
- 100 kA breaking capacity for dependable fault interruption.
- Current-limiting design helps reduce fault energy.
- Integrated double indicator system for rapid fuse status identification.
- Live gripping lugs enable safer fuse replacement.
- Designed to IEC and DIN NH standards.
Key Features
- Mersen NH gG fuse link series.
- NH3 DIN fuse size.
- 500 A rated current.
- 400 V AC rated voltage.
- Full-range gG operating characteristic.
- 100 kA AC breaking capacity.
- Double operating indicator.
- Live gripping lugs.
- Ceramic fuse body.
- Body width of approximately 70 mm.
- Clip mounting in compatible NH fuse bases.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG40V500 incorporates a full-range gG operating characteristic, enabling it to provide protection against both overloads and high prospective short-circuit currents. This makes it suitable as a standalone protective device for cables, switchgear and general-purpose electrical equipment.
Its current-limiting performance reduces the thermal and mechanical stresses produced during electrical faults, helping to protect switchboards, busbars, conductors and connected equipment while improving overall system reliability.
Typical Applications
- Industrial switchboards.
- Commercial power distribution.
- Cable and feeder protection.
- Electrical distribution panels.
- Industrial machinery.
- Infrastructure and utility installations.
