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 500V NH3 C/P gG 630A NH3GG50V630P-2
Mersen NH3GG50V630P-2 DIN NH3 gG fuse link rated at 630 A and 500 V AC with integrated striker, live gripping tags and 120 kA breaking capacity for industrial circuit protection.
£60.13
Why Choose the Mersen NH3GG50V630P-2 NH Fuse Link?
The Mersen NH3GG50V630P-2 is a premium DIN NH gG low voltage fuse link engineered to provide dependable overload and short circuit protection for industrial electrical distribution systems. Manufactured by Mersen, this high-performance fuse is designed for switchgear, power distribution equipment, motor control centres and industrial infrastructure where reliable fault interruption is critical.
Featuring an NH3 fuse size, a 630 A rated current and a 500 V AC operating voltage, the NH3GG50V630P-2 offers exceptional protection for high-current electrical installations. The integrated striker mechanism provides mechanical indication when the fuse operates and can be used with compatible switch-fuse and remote signalling systems for enhanced maintenance efficiency.
Built with a robust ceramic body and live gripping tags, this fuse link delivers a high 120 kA AC breaking capacity, making it ideal for protecting transformers, busbars, cables and heavy industrial equipment operating under demanding electrical conditions.
Key Advantages
- Industrial DIN NH gG fuse link providing full-range circuit protection.
- 630 A rated current for high-power electrical distribution systems.
- 500 V AC operating voltage for industrial installations.
- 120 kA breaking capacity for reliable fault interruption.
- Integrated striker for rapid fuse operation indication.
- Suitable for protecting cables, switchgear, transformers and industrial machinery.
Key Features
- Mersen NH gG fuse-link series with striker.
- NH3 fuse size.
- 630 A rated current.
- 500 V AC rated voltage.
- 120 kA AC breaking capacity.
- General purpose gG utilisation category.
- Integrated striker indication.
- Live gripping tags.
- Ceramic insulating body.
- Manufactured to IEC/DIN NH standards.
Reliable Protection for Industrial Electrical Systems
NH gG fuse links provide comprehensive protection against overloads and high prospective short circuit currents, helping to safeguard valuable industrial equipment while reducing downtime and maintenance costs. Their high interrupting capacity makes them suitable for demanding power distribution applications.
The Mersen NH3GG50V630P-2 is widely specified by electrical engineers, OEMs and panel builders requiring dependable low voltage protection that complies with recognised international standards.
Typical Applications
- Industrial power distribution systems.
- Electrical switchgear assemblies.
- Motor control centres.
- Transformer protection.
- Heavy industrial machinery.
- Commercial and industrial electrical infrastructure.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Current | 630 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 with Striker | |
| Model | NH3GG50V630P-2 | |
| Item number | Q219802 | |
| Product type | DIN NH fuse link | |
| Fuse size | NH3 | |
| Utilisation category | gG | |
| Rated current | 630 A | |
| Rated voltage | 500 V AC | |
| Rated breaking capacity | 120 kA AC | |
| Power dissipation | 47 W | |
| Body width | approximately 69 mm | |
| Weight | approximately 0.87 kg | |
| Gripping tags | Live | |
| Indication system | Striker | |
| Compliance | RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG50V630P-2 used for?
It protects industrial electrical distribution systems, cables, transformers and equipment against overloads and short circuit faults.
What is the current rating of this fuse?
The NH3GG50V630P-2 has a 630 A rated current.
What voltage is this fuse rated for?
This fuse link is designed for operation on systems up to 500 V AC.
What does the striker mechanism do?
The integrated striker provides mechanical indication when the fuse operates and can activate compatible signalling or switching accessories.
What does the gG classification mean?
The gG utilisation category identifies a full-range fuse capable of protecting electrical circuits against both overloads and short circuits.
Trusted for Industrial Circuit Protection
Mersen NH fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for protecting critical power distribution equipment and industrial electrical installations.
