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MERSEN FUSE NH3C 160KVA 400V GTR MI NH3GTR160KVA
Mersen NH3GTR160KVA DIN NH Size 3 gTr transformer protection fuse-link rated at 231 A and 400 V AC for 160 kVA distribution transformers.
£33.58
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.
Reliable Protection for Distribution Transformers
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.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gTr | |
| Current | 231 A | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links gTr 400 V AC | |
| Model | NH3GTR160KVA | |
| Manufacturer part number | M1030503A | |
| EAN | 3605340535303 | |
| Product type | DIN NH transformer protection fuse-link | |
| Fuse characteristic | gTr | |
| Fuse size | NH3 | |
| Rated current | 231 A | |
| Transformer nominal capacity | 160 kVA | |
| Rated voltage | 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 100 kA | |
| Power dissipation | Approx. 14 W | |
| Indicator | Centre indicator | |
| Gripping lugs | Live gripping lugs | |
| Body width | Approx. 50 mm | |
| Weight | Approx. 1 kg | |
| Standards | IEC 60269 | |
| Compliance | RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GTR160KVA used for?
It is designed to protect 160 kVA low-voltage distribution transformers against overloads and short-circuit faults.
What is the rated current of this fuse-link?
The NH3GTR160KVA has a 231 A rated current.
What voltage is this fuse rated for?
This transformer protection fuse-link is rated for 400 V AC operation.
What does the gTr characteristic provide?
The gTr operating characteristic is specifically designed for transformer protection, allowing temporary magnetising inrush currents while providing reliable overload and short-circuit protection.
Does the NH3GTR160KVA include an operation indicator?
Yes. It features a centre blown-fuse indicator that provides a clear visual indication after the fuse has operated.
Trusted by Electrical Professionals Worldwide
Mersen NH gTr transformer protection fuse-links are trusted by electrical engineers and panel builders worldwide for reliable transformer protection, high breaking capacity and dependable performance in industrial power distribution systems.
