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MERSEN FUSE NH 3C 125A 500V GG NH3GG50V125
Mersen NH3GG50V125 DIN NH Size 3 gG fuse link rated at 125 A, 500 V AC and 250 V DC with live gripping lugs and double indicator for industrial circuit protection.
£18.66
Why Choose the Mersen NH3GG50V125 NH Fuse Link?
The Mersen NH3GG50V125 is a high-quality DIN NH gG fuse link designed to provide dependable overload and short-circuit protection for low-voltage electrical distribution systems. Manufactured by Mersen, this NH Size 3 fuse link is ideal for protecting cables, conductors, switchgear, transformers and industrial electrical equipment operating in demanding commercial and industrial environments.
With a 125 A rated current, 500 V AC and 250 V DC voltage ratings, the NH3GG50V125 delivers full-range gG protection against overloads and short circuits. Its current-limiting characteristics help reduce thermal and mechanical stress on electrical installations while improving system reliability.
Manufactured in the standard NH Size 3 format, this fuse incorporates blade contacts, live gripping lugs and a double operation indicator. Its durable ceramic construction and high breaking capacity make it suitable for installation in compatible NH fuse bases and switch-disconnectors used throughout industrial power distribution systems.
Key Advantages
- Full-range gG protection against overloads and short circuits.
- 125 A rated current for industrial distribution applications.
- 500 V AC and 250 V DC voltage ratings.
- 120 kA AC breaking capacity for dependable fault interruption.
- Double indicator enables rapid visual identification of fuse operation.
- Live gripping lugs support safe replacement using approved NH fuse pullers.
- Current-limiting performance helps minimise damage during electrical faults.
Key Features
- Mersen NH fuse-links gG 500 VAC series.
- NH Size 3.
- 125 A rated current.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- Full-range gG operating characteristic.
- 120 kA AC breaking capacity.
- Double fuse operation indicator.
- Live gripping lugs.
- 51 mm body width.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG50V125 is engineered to interrupt excessive current before it can damage valuable electrical equipment. Its full-range gG characteristic protects against prolonged overloads as well as high-energy short-circuit faults, helping improve electrical safety and minimise costly downtime.
Its current-limiting design reduces the thermal and mechanical effects of fault currents, making it an ideal solution for industrial switchboards, electrical distribution panels and commercial power systems where reliable overcurrent protection is essential.
Typical Applications
- Industrial switchboards.
- Electrical distribution panels.
- Cable and conductor protection.
- Transformer protection.
- Industrial machinery.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 125 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links gG 500 VAC | |
| Model | NH3GG50V125 | |
| Manufacturer item number | T235169 | |
| EAN | 3605340311297 | |
| Product type | DIN NH fuse link | |
| Fuse size | NH3 | |
| Rated current | 125 A | |
| Rated voltage AC | 500 V AC | |
| Rated voltage DC | 250 V DC | |
| Operating characteristic | gG | |
| Current type | AC / DC | |
| Breaking capacity | 120 kA AC | |
| Power dissipation | 12.2 W | |
| Body width | 51 mm | |
| Product weight | Approx. 0.65 kg | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Contact type | Blade contacts | |
| Compliance | IEC 60269, RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG50V125 used for?
It provides full-range overload and short-circuit protection for industrial electrical circuits, cables, switchgear and power distribution equipment.
What is the current rating of this fuse?
The Mersen NH3GG50V125 has a 125 A rated current.
What voltage is the fuse rated for?
The fuse is rated for operation at up to 500 V AC and 250 V DC.
What does the gG operating characteristic mean?
The gG operating characteristic identifies a full-range general-purpose fuse designed to protect cables and electrical equipment against overload and short-circuit faults.
Who should install or replace this fuse?
The NH3GG50V125 should only be installed or replaced by qualified electrical professionals using compatible NH fuse bases, approved fuse pullers and appropriate safety procedures.
Trusted for Industrial Circuit Protection
Mersen NH fuse links are trusted worldwide by electrical engineers, panel builders and maintenance professionals for delivering dependable overcurrent protection and long-term reliability in industrial power distribution systems.
