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MERSEN FUSE NH 2 400A 500V GG SGL NH2GG50V400-1
Mersen NH2GG50V400-1 NH Size 2 gG fuse link rated at 400 A, 500 V AC and 250 V DC featuring isolated gripping lugs and a double operating indicator.
£16.88
Why Choose the Mersen NH2GG50V400-1 NH Fuse Link?
The Mersen NH2GG50V400-1 is a premium NH Size 2 gG low voltage fuse link engineered to provide dependable full-range protection for industrial electrical distribution systems, switchgear and power circuits. Designed to IEC and DIN NH standards, it delivers reliable protection against overloads and short circuits, helping to safeguard cables, transformers and electrical equipment in demanding commercial and industrial environments.
Manufactured by Mersen, this fuse features isolated gripping lugs for safer installation and removal, together with a double operating indicator for rapid identification of an operated fuse. Its high-quality ceramic body and silver-plated blade contacts ensure excellent thermal performance, mechanical strength and long service life.
With a 400 A rated current, 500 V AC operating voltage, 250 V DC rating and NH Size 2 construction, the NH2GG50V400-1 is ideally suited for protecting high-current feeders, switchboards, motor control centres and industrial machinery where dependable fault protection is essential.
Key Advantages
- Full-range gG fuse link for overload and short-circuit protection.
- 400 A rated current for demanding industrial applications.
- 500 V AC / 250 V DC operating ratings.
- 120 kA AC breaking capacity for outstanding fault interruption.
- Double operating indicator enables quick fuse status identification.
- Isolated gripping lugs improve installation and maintenance safety.
Key Features
- Mersen NH gG Fuse Link Series.
- 400 A rated current.
- 500 V AC / 250 V DC rated voltage.
- NH Size 2.
- gG utilisation category.
- Double operating indicator.
- Isolated gripping lugs.
- High-strength ceramic body with silver-plated blade contacts.
Reliable Protection for High-Power Industrial Installations
The Mersen NH2GG50V400-1 is designed to provide complete protection for industrial power distribution systems, protecting cables, busbars, switchgear and electrical equipment against both overloads and severe short-circuit currents. Its current-limiting design helps reduce thermal and mechanical stress during fault conditions, improving system reliability and reducing equipment damage.
Suitable for installation in compatible NH fuse bases, the fuse is intended for use by qualified electrical professionals. Its isolated gripping lugs and double operating indicator simplify maintenance procedures while improving operator safety during fuse replacement.
Typical Applications
- Industrial electrical distribution systems.
- Main LV switchboards.
- Motor control centres (MCCs).
- High-current feeder circuit protection.
- Industrial machinery and manufacturing equipment.
- OEM switchgear and control panels.
- Commercial power distribution installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 400 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG Fuse Links | |
| Model | NH2GG50V400-1 | |
| Item Number | T200807 | |
| EAN | 8430399002248 | |
| Product Type | NH gG Low Voltage Fuse Link | |
| Fuse Size | NH2 | |
| Rated Current | 400 A | |
| Rated Voltage (AC) | 500 V | |
| Rated Voltage (DC) | 250 V | |
| Utilisation Category | gG | |
| Breaking Capacity | 120 kA AC | |
| Body Width | 52 mm | |
| Power Dissipation | 32 W | |
| Indicator | Double operating indicator | |
| Gripping Lugs | Isolated | |
| Mounting | NH fuse base / blade contact | |
| Weight | Approx. 0.64 kg | |
| Standards | IEC 60269, DIN NH | |
| RoHS Compliant | Yes | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH2GG50V400-1 used for?
It provides full-range protection against overloads and short circuits for industrial electrical distribution systems, cables, switchgear and power equipment.
What is the rated current of this fuse?
The NH2GG50V400-1 has a rated current of 400 A.
What voltage ratings does this fuse support?
This fuse is rated for operation at 500 V AC and 250 V DC.
What does the gG classification mean?
The gG utilisation category provides full-range protection against both overloads and short-circuit faults for general-purpose electrical circuits.
What are the benefits of isolated gripping lugs?
Isolated gripping lugs improve operator safety during installation and removal while allowing secure handling using an appropriate NH fuse puller.
Trusted by Electrical Professionals Worldwide
Mersen NH gG fuse links are trusted by electrical engineers, switchgear manufacturers, OEMs and maintenance professionals for delivering reliable, standards-compliant protection in industrial power distribution systems.
