Mersen NH22GTR50KVA DIN NH22 gTr transformer fuse-link for 50 kVA transformers, rated 50 A and 400 V AC.
£33.95
The Mersen NH22GTR50KVA is a high-performance DIN NH gTr fuse-link designed specifically to protect low voltage distribution transformers against overloads and short circuits. As part of the proven Mersen NH gTr transformer protection range, it provides coordinated protection that matches transformer operating characteristics, helping maximise system reliability while minimising unnecessary fuse operation.
Manufactured to IEC and DIN NH standards, this NH22 size fuse-link features live gripping lugs and a centre-mounted operation indicator for quick visual inspection and straightforward replacement by qualified personnel. Its robust ceramic construction and high breaking capacity make it suitable for demanding industrial and commercial electrical installations.
Designed for the protection of 50 kVA distribution transformers, the NH22GTR50KVA has a 50 A rated current and a 400 V AC operating voltage, making it an ideal solution for transformer feeders within industrial switchgear and power distribution systems.
The Mersen NH22GTR50KVA has been developed specifically for transformer protection. Its gTr operating characteristic is matched to transformer energisation currents, providing dependable protection against overloads and short-circuit faults while reducing nuisance operation during normal transformer energisation.
Its robust NH construction, centre indicator and high-quality ceramic body make it well suited for transformer substations, industrial switchgear, commercial buildings and utility power distribution systems.
| Voltage | 400 V |
|---|---|
| Manufacturer | Mersen |
| Series | NH Fuse-links gTr 400 VAC |
| Model | NH22GTR50KVA |
| Item number | S1028691 |
| Product type | DIN NH transformer fuse-link |
| Fuse characteristic | gTr |
| Fuse size | NH22 |
| Transformer rating | 50 kVA |
| Rated current | 50 A |
| Rated voltage | 400 V AC |
| Indicator | Centre indicator |
| Gripping lugs | Live gripping lugs |
| Body width | 40 mm |
| Power dissipation | 5.5 W |
| Weight | Approx. 0.5 kg |
| Compliance | IEC / DIN NH, RoHS |
It is specifically designed to protect 50 kVA low voltage distribution transformers against overloads and short-circuit faults.
The gTr characteristic is engineered specifically for transformer protection, providing a time-current response matched to transformer operating characteristics.
The NH22GTR50KVA has a rated current of 50 A.
This fuse-link is designed for protecting 50 kVA distribution transformers.
Yes. It incorporates a centre-mounted indicator for quick visual confirmation when the fuse has operated.
Mersen NH transformer fuse-links are widely specified by utilities, panel builders and electrical engineers for dependable transformer protection, excellent fault interruption capability and long service life in demanding power distribution installations.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...