Mersen NH12GG50V125-1 DIN NH1 gG fuse link rated at 125 A, 500 V AC with isolated gripping lugs and front and top indicator for industrial circuit protection.
£18.04
The Mersen NH12GG50V125-1 is a premium DIN NH gG low voltage fuse link engineered to provide dependable protection for industrial power distribution systems, switchgear and electrical equipment. Manufactured by Mersen, this fuse link delivers full-range overcurrent and short-circuit protection, helping to safeguard cables, feeders and electrical installations operating under demanding conditions.
Designed with a 125 A rated current, 500 V AC operating voltage and a Size NH1 body, the NH12GG50V125-1 complies with IEC and DIN standards for low voltage fuse protection. Its front and top indicator system with isolated gripping lugs allows maintenance engineers to quickly identify an operated fuse while improving replacement safety.
The NH12GG50V125-1 is ideally suited for industrial switchboards, distribution panels, machine control systems and commercial electrical installations where reliable circuit protection and high breaking capacity are essential.
The gG utilisation category provides complete protection against overloads and short circuits, making the NH12GG50V125-1 suitable for protecting cables, conductors, switchgear and general electrical equipment. Its high interrupting capacity helps minimise equipment damage and improve electrical system reliability.
Mersen NH fuse links are widely specified by panel builders, electrical contractors and industrial maintenance engineers thanks to their proven reliability, international approvals and consistent performance in demanding environments.
| Current | 125 A |
|---|---|
| Voltage | 500 V |
| Manufacturer | Mersen |
| Series | NH gG Fuse Links |
| Model | NH12GG50V125-1 |
| Product type | DIN NH fuse link |
| Fuse size | NH1 |
| Utilisation category | gG |
| Rated current | 125 A |
| Rated AC voltage | 500 V AC |
| Rated DC voltage | 250 V DC |
| Breaking capacity | 120 kA |
| Indicator | Front and top indicator |
| Gripping lugs | Isolated |
| Dimensions (L × W × H) | Approx. 135 × 39.5 × 52.5 mm |
| Standards | IEC 60269, DIN 43620 |
| RoHS compliant | Yes |
This NH fuse link protects industrial electrical circuits, cables and equipment from overloads and short circuits.
The NH12GG50V125-1 has a rated current of 125 A.
This fuse is rated for operation on systems up to 500 V AC and 250 V DC.
The gG utilisation category provides full-range protection against both overload and short-circuit faults for general-purpose electrical circuits.
The integrated indicator makes it easy to identify when the fuse has operated, helping reduce maintenance time and improve servicing efficiency.
Mersen NH fuse links are trusted worldwide by electrical engineers, OEM manufacturers and panel builders to deliver reliable protection for industrial power distribution and electrical infrastructure.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...