Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE NH 3 425A 500V GG SGL NH3GG50V425-1
Mersen NH3GG50V425-1 NH Size 3 gG fuse link rated at 425 A, 500 V AC and 250 V DC, with isolated gripping lugs and a double operating indicator.
£29.48
Why Choose the Mersen NH3GG50V425-1 NH Fuse Link?
The Mersen NH3GG50V425-1 is a high-performance NH gG low voltage fuse link designed to provide full-range protection for industrial power distribution systems, electrical cables and connected equipment. Manufactured by Mersen, this DIN standard fuse link protects against overload and short-circuit conditions in demanding commercial and industrial electrical installations.
The NH3GG50V425-1 features isolated gripping lugs and a double operating indicator, supporting safer handling and quick identification when the fuse has operated. Its robust construction and high fault-interruption capability help protect valuable equipment, minimise electrical damage and reduce unplanned downtime.
With a rated current of 425 A, a 500 V AC operating voltage and an NH Size 3 format, this fuse link is ideal for high-current distribution circuits, industrial switchboards, manufacturing equipment and OEM electrical systems requiring dependable circuit protection.
Key Advantages
- Full-range gG fuse link for overload and short-circuit protection.
- 425 A rated current for high-current industrial applications.
- 500 V AC and 250 V DC ratings for flexible circuit protection.
- Isolated gripping lugs support safer fuse handling and replacement.
- Double indicator enables quick visual identification of fuse operation.
- DIN standard construction provides compatibility with suitable NH3 fuse bases.
Key Features
- Mersen NH gG fuse-link series.
- 425 A rated current.
- 500 V AC / 250 V DC rated voltage.
- NH Size 3 construction.
- gG full-range operating characteristic.
- Double operating indicator.
- Isolated gripping lugs for improved handling safety.
- Blade-contact design for compatible NH fuse bases.
Reliable Protection for High-Current Electrical Systems
The Mersen NH3GG50V425-1 uses a gG operating characteristic to protect electrical cables, conductors, switchgear and connected equipment against both sustained overloads and high-level short circuits. As a full-range fuse link, it can provide comprehensive circuit protection without requiring a separate short-circuit fuse.
Its isolated gripping lugs improve protection against accidental contact during handling, while the double indicator allows maintenance personnel to identify an operated fuse quickly. The NH3 format is designed for use with compatible fuse bases and should be installed or replaced by appropriately qualified electrical professionals.
Typical Applications
- Industrial power distribution systems.
- Main electrical switchboards and distribution panels.
- High-current cable and feeder protection.
- Manufacturing and processing machinery.
- Motor control centres and automation installations.
- OEM switchgear and electrical panel assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 425 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG Fuse Links | |
| Model | NH3GG50V425-1 | |
| Item number | S214675 | |
| EAN | 8430399002361 | |
| Product type | NH gG low voltage fuse link | |
| Rated current | 425 A | |
| Rated voltage AC | 500 V AC | |
| Rated voltage DC | 250 V DC | |
| Fuse size | NH3 | |
| Operating class | gG | |
| Indication system | Double indicator | |
| Gripping lugs | Isolated | |
| Body width | 71.9 mm | |
| Power dissipation at rated current | 34 W | |
| Weight | Approx. 1.05 kg | |
| Mounting system | NH fuse base / blade contact | |
| RoHS compliant | Yes | |
| Standard | DIN NH | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG50V425-1 used for?
It is used to protect high-current electrical cables, distribution circuits, switchgear and industrial equipment against overload and short-circuit faults.
What is the rated current of this fuse?
The NH3GG50V425-1 has a rated current of 425 A.
What voltage ratings does this fuse support?
This fuse link is rated for operation at up to 500 V AC and 250 V DC.
What does the gG operating class mean?
The gG classification indicates that the fuse provides full-range protection against both overload and short-circuit conditions in general-purpose electrical circuits.
What are the benefits of the isolated gripping lugs?
The isolated gripping lugs reduce the risk of accidental contact during handling and support safer replacement by appropriately qualified electrical personnel.
Trusted for Industrial Circuit Protection
Mersen NH gG fuse links are widely specified by electrical engineers, panel builders and industrial maintenance professionals for reliable protection of high-current power distribution systems and critical electrical equipment.
