Why Choose the Mersen NH3GTR160KVA Transformer Protection Fuse-Link?
The Mersen NH3GTR160KVA is a high-performance DIN NH gTr fuse-link specifically designed to protect low-voltage distribution transformers against overloads and short circuits. Developed for transformer applications, its specialised gTr operating characteristic accommodates normal transformer energisation currents while providing dependable protection against sustained overloads and electrical faults.
Manufactured by Mersen, a global leader in electrical protection solutions, the NH3GTR160KVA delivers excellent current limitation, high breaking capacity and dependable selectivity with downstream protective devices. Its centre operation indicator enables quick visual identification of a blown fuse, while the live gripping lugs facilitate safe replacement using an approved NH fuse puller.
Rated for 400 V AC, with a 231 A rated current and suitable for protecting 160 kVA distribution transformers, this NH Size 3 fuse-link is ideal for industrial switchboards, commercial buildings, transformer feeders and low-voltage power distribution systems.
Key Advantages
- Purpose-designed gTr fuse-link for transformer protection.
- 160 kVA transformer capacity for low-voltage distribution systems.
- 231 A rated current with 400 V AC operation.
- High current limiting performance reduces fault energy.
- Centre indicator enables rapid identification of fuse operation.
- High breaking capacity for dependable fault interruption.
- Excellent selectivity with downstream protective devices.
Key Features
- Mersen NH gTr transformer protection fuse-link series.
- DIN NH Size 3.
- 231 A rated current.
- 400 V AC rated voltage.
- 160 kVA transformer protection.
- Centre blown-fuse indicator.
- Live gripping lug design.
- Silver-plated copper blade terminals.
- Ceramic fuse body.
- RoHS compliant.
The Mersen NH3GTR160KVA has been developed specifically for transformer protection, offering a time-current characteristic that accommodates normal transformer inrush currents while disconnecting overloads and short-circuit faults before equipment damage can occur.
Its high current limiting capability helps reduce thermal and mechanical stress on transformers and associated switchgear, improving system reliability and extending equipment service life in demanding industrial and commercial installations.
Typical Applications
- 160 kVA low-voltage distribution transformers.
- Industrial power distribution systems.
- Commercial electrical installations.
- Transformer feeder protection.
- Low-voltage switchgear assemblies.
- Manufacturing facilities.
- Infrastructure and utility installations.
