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MERSEN FUSE NH 3 400A 690V GG SGL NH3GG69V400-1
Mersen NH3GG69V400-1 DIN NH3 gG fuse link rated at 400 A, 690 V AC and 250 V DC with isolated gripping lugs and double operating indicator for industrial circuit protection.
£48.38
Why Choose the Mersen NH3GG69V400-1 NH Fuse Link?
The Mersen NH3GG69V400-1 is a premium DIN NH gG low voltage fuse link engineered to provide full-range protection for industrial electrical distribution systems, switchgear and power equipment. Manufactured by Mersen, this fuse link offers reliable protection against overloads and short circuits while complying with IEC and DIN standards for demanding industrial applications.
Designed with isolated gripping lugs and a double operating indicator, the NH3GG69V400-1 improves installation safety and allows rapid identification of an operated fuse. Its rugged construction ensures dependable performance and long service life in industrial environments where system reliability is critical.
With a 400 A current rating, 690 V AC operating voltage and NH3 size, this fuse link is ideally suited for industrial switchboards, distribution panels, transformers, motor control centres and OEM electrical equipment requiring dependable low voltage circuit protection.
Key Advantages
- DIN NH gG full-range fuse link for overload and short circuit protection.
- 400 A rated current for industrial power distribution.
- 690 V AC and 250 V DC rated voltage.
- Double operating indicator enables quick identification of an operated fuse.
- Isolated gripping lugs improve operator safety during replacement.
- High breaking capacity for dependable fault interruption.
Key Features
- Mersen NH gG fuse link series.
- NH3 fuse size.
- 400 A rated current.
- 690 V AC IEC rated voltage.
- 250 V DC rated voltage.
- gG utilisation category providing full-range protection.
- Double operating indicator.
- Isolated gripping lugs for safer maintenance.
Reliable Protection for Industrial Electrical Systems
NH gG fuse links provide complete protection against overloads and short circuit faults in low voltage electrical systems. Their high interrupting capacity helps minimise equipment damage while improving the reliability and safety of industrial power distribution networks.
The NH3GG69V400-1 is designed for use in industrial switchgear, distribution equipment and OEM machinery where dependable circuit protection and compliance with recognised international standards are essential.
Typical Applications
- Industrial power distribution panels.
- Low voltage switchgear.
- Motor control centres.
- Transformer protection.
- OEM machinery and automation systems.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 400 A | |
| Voltage | 690 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Manufacturer | Mersen | |
| Series | NH gG Fuse Links 690 V AC | |
| Model | NH3GG69V400-1 | |
| Item number | E229774 | |
| Product type | DIN NH fuse link | |
| Fuse category | gG | |
| Rated current | 400 A | |
| Rated AC voltage | 690 V AC | |
| Rated DC voltage | 250 V DC | |
| Fuse size | NH3 | |
| Indicator | Double indicator | |
| Terminal type | Isolated gripping lugs | |
| Body width | 71.9 mm | |
| RoHS compliant | Yes | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG69V400-1 used for?
It provides overload and short circuit protection for industrial low voltage electrical distribution systems, switchgear and power equipment.
What is the current rating of this fuse?
The NH3GG69V400-1 has a 400 A rated current.
What voltage is this fuse designed for?
This fuse is rated for 690 V AC and 250 V DC applications.
What does the gG classification mean?
The gG utilisation category provides full-range protection against both overload and short circuit faults in general-purpose electrical installations.
What are the benefits of isolated gripping lugs?
Isolated gripping lugs improve operator safety during fuse installation and replacement while reducing the risk of accidental contact with live components.
Trusted for Industrial Circuit Protection
Mersen NH fuse links are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for reliable low voltage circuit protection and long-term operational safety.
