Why Choose the Mersen NH22GTR50KVA Transformer Protection Fuse?
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.
Key Advantages
- Purpose-designed gTr characteristic for transformer protection.
- Suitable for protecting 50 kVA distribution transformers.
- 50 A rated current for low voltage transformer applications.
- 400 V AC rated voltage.
- High breaking capacity for dependable fault interruption.
- Centre-mounted indicator provides fast visual fuse status confirmation.
Key Features
- Mersen NH gTr transformer fuse-link series.
- Catalogue number: NH22GTR50KVA.
- Transformer rating: 50 kVA.
- 50 A rated current.
- 400 V AC IEC rated voltage.
- DIN NH Size NH22.
- gTr utilisation category.
- Centre-mounted operation indicator.
- Live gripping lugs.
- Body width: 40 mm.
- RoHS compliant.
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.
Typical Applications
- 50 kVA distribution transformers.
- Industrial substations.
- Commercial electrical distribution.
- Utility transformer protection.
- OEM switchgear assemblies.
- Power distribution infrastructure.
