Why Choose the Mersen NH3GTR200KVA-8 NH Fuse-Link?
The Mersen NH3GTR200KVA-8 is a high-performance DIN NH gTr fuse-link specifically engineered for the protection of distribution transformers in low voltage electrical systems. Manufactured by Mersen, this NH3 fuse-link features a top indicator with live gripping lugs, providing safe installation, straightforward inspection and dependable transformer protection.
Designed with a gTr operating characteristic, this fuse-link is optimised to withstand transformer energisation inrush currents while delivering fast and effective fault protection. Its time-current characteristics are matched to transformer applications, helping maximise equipment reliability while reducing unnecessary fuse operation.
Rated for 400 V AC systems with a 289 A current rating and suitable for protecting transformers up to 200 kVA, the NH3GTR200KVA-8 is ideal for industrial distribution systems, switchboards, substations and OEM electrical equipment requiring reliable transformer protection.
Key Advantages
- Purpose-designed gTr fuse-link for transformer protection.
- Suitable for transformers up to 200 kVA.
- 289 A rated current for demanding industrial applications.
- 400 V AC IEC rated operation.
- Top-mounted visual indicator for rapid fuse status identification.
- Live gripping lugs enable safe fuse handling using approved fuse pullers.
- Excellent current limiting performance and high breaking capacity.
- Minimises nuisance operation during transformer energisation.
Key Features
- Mersen NH gTr fuse-link series.
- Catalogue number: NH3GTR200KVA-8.
- Fuse size: NH3.
- Rated voltage: 400 V AC.
- Rated current: 289 A.
- Transformer protection rating: Up to 200 kVA.
- gTr characteristic specifically developed for transformer protection.
- Top indicator with live gripping lugs.
- DIN NH standard construction.
- RoHS compliant.
Mersen gTr fuse-links are engineered specifically for transformer protection. Their operating characteristics allow them to withstand transformer magnetising inrush currents while providing rapid disconnection during overload and fault conditions, helping maximise transformer service life.
The NH3GTR200KVA-8 is widely specified for industrial power distribution equipment, switchgear, substations and transformer installations where dependable low voltage protection is essential for maintaining electrical system reliability.
Typical Applications
- Distribution transformer protection.
- Industrial switchboards.
- Power distribution panels.
- Motor control centres.
- OEM electrical equipment.
- Commercial and industrial substations.