Why Choose the Mersen NH4GG50V800 NH Fuse Link?
The Mersen NH4GG50V800 is a heavy-duty DIN NH gG fuse link engineered to provide full-range protection for industrial power distribution systems, switchgear and electrical installations. Designed to IEC and DIN NH standards, this NH Size 4 fuse delivers dependable overload and short-circuit protection for cables, busbars and electrical equipment operating in demanding environments.
As part of the trusted Mersen NH gG 500 V AC fuse-link range, the NH4GG50V800 features a robust ceramic body, live gripping lugs and a centre-mounted blown-fuse indicator. Its high breaking capacity and current-limiting characteristics help reduce fault energy, improving the protection of valuable electrical assets and minimising downtime.
With a rated current of 800 A, 500 V AC and 250 V DC ratings, the NH4GG50V800 is ideally suited for high-current switchboards, industrial distribution panels, motor control centres and commercial electrical infrastructure requiring reliable circuit protection.
Key Advantages
- Heavy-duty DIN NH Size 4 gG fuse link.
- 800 A rated current for high-capacity electrical systems.
- 500 V AC and 250 V DC operating ratings.
- Full-range gG protection for cables and electrical equipment.
- Centre blown-fuse indicator enables rapid maintenance.
- Live gripping lugs simplify safe fuse replacement.
- High current-limiting performance helps reduce fault damage.
Key Features
- Mersen NH gG fuse-link series.
- DIN NH Size 4 construction.
- 800 A rated current.
- 500 V AC / 250 V DC rated voltage.
- gG utilisation category.
- Centre-mounted blown-fuse indicator.
- Live gripping lugs.
- Ceramic body with blade contacts.
- 100 mm body width.
- Suitable for industrial low-voltage power distribution.
Reliable Protection for Industrial Power Distribution
Mersen NH gG fuse links provide comprehensive protection against overloads and short circuits across industrial electrical installations. Their current-limiting characteristics reduce the thermal and mechanical effects of high fault currents, helping to protect switchgear, cables and associated equipment.
The NH4GG50V800 is designed for use with compatible NH fuse bases and fuse-switch disconnectors. It is widely specified where dependable low-voltage protection is required in industrial manufacturing, infrastructure and commercial power distribution systems.
Typical Applications
- Industrial switchboards.
- Main power distribution panels.
- Motor control centres.
- High-current cable protection.
- Commercial electrical infrastructure.
- Manufacturing and process industries.
