Why Choose the Mersen NH32GTR125KVA Transformer Fuse-Link?
The Mersen NH32GTR125KVA is a specialised DIN NH gTr transformer fuse-link designed to provide reliable protection for low voltage distribution transformers. Manufactured by Mersen, this NH3 size fuse-link has a time-current characteristic specifically adapted to transformer applications, helping protect transformer windings, cables and associated switchgear.
Part of the proven Mersen NH gTr 400 V AC fuse-link series, the NH32GTR125KVA features live gripping lugs and a centre indicator. These features support professional handling with a suitable NH fuse replacement device and allow maintenance personnel to identify an operated fuse-link quickly.
Designed for protecting 125 kVA transformers, the NH32GTR125KVA has a rated current of 180 A and a rated operating voltage of 400 V AC. Its current-limiting construction helps reduce thermal and mechanical stress on the transformer and connected equipment during electrical faults.
Key Advantages
- Purpose-designed for low voltage transformer protection.
- Suitable for 125 kVA transformers.
- 180 A rated current for 400 V AC transformer circuits.
- gTr characteristic accommodates normal transformer energisation currents.
- 100 kA AC breaking capacity for dependable fault interruption.
- Centre indicator enables rapid identification of an operated fuse-link.
- Live gripping lugs support handling with an appropriate NH fuse puller.
Key Features
- Mersen NH gTr transformer fuse-link series.
- 125 kVA transformer rating.
- 180 A rated current.
- 400 V AC rated operating voltage.
- DIN NH3 size construction.
- gTr transformer protection characteristic.
- Centre-mounted fuse status indicator.
- Live gripping lugs.
- Silver-plated copper blade contacts.
- Durable ceramic insulating body.
The Mersen NH32GTR125KVA is engineered around the operating characteristics of distribution transformers. Its gTr fuse characteristic is designed to accommodate normal transformer magnetising inrush currents while providing dependable protection against sustained overcurrents and damaging short-circuit faults.
During a severe electrical fault, the fuse-link limits the peak current and energy passed into the protected circuit. This helps reduce thermal and mechanical stress on transformer windings, conductors, busbars and switchgear while supporting reliable operation and reduced equipment downtime.
Typical Applications
- 125 kVA low voltage distribution transformers.
- Industrial transformer protection.
- Commercial power distribution systems.
- Transformer feeder panels.
- Low voltage switchboards.
- OEM electrical distribution equipment.
