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MERSEN FUSE NH2 50KVA400VGTRNH22GTR50KVA NH22GTR50KVA
Mersen NH22GTR50KVA DIN NH22 gTr transformer fuse-link for 50 kVA transformers, rated 50 A and 400 V AC.
£20.37
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.
Reliable Protection for Distribution Transformers
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.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | gTr | |
| Current | 50 A | |
| 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 |
Frequently Asked Questions
What is the Mersen NH22GTR50KVA used for?
It is specifically designed to protect 50 kVA low voltage distribution transformers against overloads and short-circuit faults.
What does the gTr fuse characteristic mean?
The gTr characteristic is engineered specifically for transformer protection, providing a time-current response matched to transformer operating characteristics.
What is the rated current of this fuse?
The NH22GTR50KVA has a rated current of 50 A.
What transformer size is this fuse intended for?
This fuse-link is designed for protecting 50 kVA distribution transformers.
Does this fuse include an operation indicator?
Yes. It incorporates a centre-mounted indicator for quick visual confirmation when the fuse has operated.
Trusted by Power Distribution Professionals Worldwide
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.
