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MERSEN FUSE NH 3C 400A 400V GG NH3GG40V400
Mersen NH3GG40V400 DIN NH Size 3 gG fuse link rated at 400 A and 400 V AC with live gripping lugs and double indicator for industrial low voltage circuit protection.
£24.22
Why Choose the Mersen NH3GG40V400 NH Fuse Link?
The Mersen NH3GG40V400 is a high-performance DIN NH gG fuse link engineered to provide dependable overload and short circuit protection in low voltage electrical distribution systems. Manufactured by Mersen, this NH Size 3 fuse link is designed for protecting cables, switchgear, transformers, motors and industrial electrical equipment operating in demanding commercial and industrial environments.
Featuring a 400 A rated current and a 400 V AC operating voltage, the NH3GG40V400 delivers full-range gG protection for general-purpose circuit protection. It incorporates live gripping lugs and a double indicator, allowing qualified personnel to safely replace the fuse and quickly identify when it has operated.
With its high breaking capacity, rugged construction and compliance with international standards, this NH fuse link is ideal for industrial switchboards, power distribution equipment and electrical control systems where reliable overcurrent protection is essential.
Key Advantages
- Reliable DIN NH gG fuse link for industrial circuit protection.
- 400 A current rating for heavy-duty power distribution systems.
- 400 V AC rated voltage.
- General-purpose gG protection against overloads and short circuits.
- Double indicator provides rapid visual fuse status identification.
- Live gripping lugs support safer handling during maintenance.
- Suitable for protecting cables, motors, transformers and switchgear.
Key Features
- Mersen NH fuse-links gG 400 VAC series.
- NH Size 3.
- 400 A rated current.
- 400 V AC rated voltage.
- General-purpose gG utilisation category.
- Double operation indicator.
- Live gripping lugs.
- Blade contact design.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG40V400 rapidly interrupts overload and fault currents before they can damage valuable electrical equipment. Its full-range gG operating characteristics make it suitable for protecting distribution circuits, cables and industrial equipment while improving system safety and reducing downtime.
Designed to fit standard NH Size 3 fuse bases and switch disconnectors, this fuse link offers dependable performance in industrial manufacturing, utilities and commercial power distribution installations.
Typical Applications
- Industrial switchboards.
- Low voltage power distribution systems.
- Cable protection.
- Motor feeder circuits.
- Transformer protection.
- Industrial and commercial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 400 A | |
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links gG 400 VAC | |
| Model | NH3GG40V400 | |
| Item number | T223738 | |
| Product type | DIN NH fuse link | |
| Fuse size | NH3 | |
| Rated current | 400 A | |
| Rated voltage | 400 V AC | |
| Utilisation category | gG | |
| Breaking capacity | 100 kA | |
| Body width | Approx. 51.1 mm | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Contact type | Blade contacts | |
| Compliance | IEC 60269, DIN NH, RoHS | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG40V400 used for?
It protects industrial electrical circuits, cables, motors, transformers and switchgear against overloads and short circuits.
What is the current rating of this fuse?
The NH3GG40V400 has a 400 A rated current.
What voltage is the fuse rated for?
This fuse is designed for use on 400 V AC electrical systems.
What does the gG classification mean?
The gG classification identifies a full-range general-purpose fuse designed to protect cables and electrical equipment against overload and short circuit faults.
Where is the NH3GG40V400 commonly installed?
It is typically installed in industrial switchboards, distribution panels and low voltage power distribution systems.
Trusted for Industrial Circuit Protection
Mersen NH fuse links are trusted by electrical engineers, panel builders and industrial maintenance professionals worldwide for delivering dependable overcurrent protection and reliable long-term performance in demanding electrical installations.
