Why Choose the Mersen NH22GTR100KVA Transformer Protection Fuse-Link?
The Mersen NH22GTR100KVA is a high-performance DIN NH gTr transformer protection fuse-link designed to provide reliable overload and short-circuit protection for low voltage distribution transformers. The specialised gTr operating characteristic is optimised for transformer applications, allowing transformer magnetising inrush currents while providing rapid fault clearance when required.
As part of the trusted Mersen NH gTr 400 V AC fuse range, this NH2 fuse-link is designed for protecting transformers with a nominal capacity of 100 kVA. Its robust ceramic body, centre-mounted blown fuse indicator and live gripping lugs ensure dependable performance and straightforward maintenance in industrial and commercial power distribution systems.
Rated at 144 A with a 400 V AC operating voltage, the NH22GTR100KVA delivers high current-limiting performance and dependable transformer protection for switchgear, feeder panels and electrical distribution equipment.
Key Advantages
- Purpose-designed gTr fuse characteristic for transformer protection.
- Suitable for 100 kVA distribution transformers.
- 144 A rated current.
- 400 V AC operating voltage.
- High 100 kA AC breaking capacity.
- Centre blown-fuse indicator for rapid fault identification.
- Live gripping lugs simplify safe fuse replacement.
- Excellent current limitation helps minimise transformer damage during faults.
Key Features
- Mersen NH gTr transformer protection fuse-link series.
- Catalogue number: NH22GTR100KVA.
- NH2 fuse size.
- 100 kVA transformer rating.
- 144 A rated current.
- 400 V AC rated voltage.
- Centre-mounted blown-fuse indicator.
- Live gripping lugs.
- Ceramic body with blade contacts.
- High fault interruption capability.
The Mersen NH22GTR100KVA is specifically developed for transformer protection where standard general-purpose fuse-links do not provide optimum coordination. The gTr operating characteristic accommodates transformer energisation currents while ensuring dependable operation under overload and short-circuit conditions.
Its high breaking capacity and current-limiting performance help reduce thermal and mechanical stresses on transformers, switchgear and associated electrical equipment, improving the reliability of low voltage distribution systems.
Typical Applications
- 100 kVA distribution transformers.
- Industrial transformer feeder panels.
- Commercial electrical installations.
- Low voltage substations.
- Industrial switchgear.
- OEM power distribution equipment.
- Manufacturing facilities.
- Infrastructure electrical systems.
