MERSEN FUSE NH2C 125KVA 400V GTR SGL MI NH2GTR125KVA-1

MERSEN FUSE NH2C 125KVA 400V GTR SGL MI NH2GTR125KVA-1

Mersen NH2GTR125KVA-1 DIN NH Size 2 gTr transformer fuse-link rated at 180 A and 400 V AC for protecting transformers up to 125 kVA.

SKU: NH2GTR125KVA-1Alt SKU: NH2GTR125KVA-1MPN: Q1028689
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Why Choose the Mersen NH2GTR125KVA-1 Transformer Fuse-Link?

The Mersen NH2GTR125KVA-1 is a specialised DIN NH gTr transformer protection fuse-link designed to provide reliable protection for distribution transformers. Manufactured by Mersen, this NH Size 2 fuse-link features a time-current characteristic specifically matched to transformer inrush currents, reducing nuisance operation whilst delivering dependable fault protection.

As part of the proven Mersen NH gTr 400 V transformer fuse series, the NH2GTR125KVA-1 incorporates a durable ceramic body, insulated gripping lugs and a centre-mounted indicator. Its current-limiting design provides excellent selectivity with downstream gG fuse-links, making it an ideal choice for transformer protection in industrial and commercial power distribution systems.

With a rated current of 180 A, a rated voltage of 400 V AC and suitability for protecting transformers up to 125 kVA, the NH2GTR125KVA-1 offers dependable protection for transformer installations where reliability and continuity of service are essential.

Key Advantages

  • Purpose-designed gTr transformer protection fuse-link.
  • Suitable for transformers up to 125 kVA.
  • 180 A rated current.
  • 400 V AC rated voltage.
  • Characteristic designed to withstand transformer energisation currents.
  • Excellent selectivity with downstream NH gG fuse-links.

Key Features

  • Mersen NH gTr 400 V transformer fuse series.
  • DIN NH Size 2.
  • 180 A rated current.
  • 400 V AC rated voltage.
  • gTr transformer protection characteristic.
  • Insulated gripping lugs.
  • Centre-mounted operating indicator.
  • Ceramic body with blade contacts.

Reliable Transformer Protection

gTr fuse-links are specifically designed for transformer protection. Their time-current characteristic is matched to transformer energisation behaviour, allowing the normal magnetising inrush current to pass whilst providing rapid protection against overloads and short circuits. They also provide excellent selectivity with downstream NH gG fuse-links, helping improve system reliability.

The NH2GTR125KVA-1 is suitable for use in industrial power distribution systems, commercial installations and OEM equipment where dependable transformer protection is required.

Typical Applications

  • Distribution transformer protection.
  • Industrial switchboards.
  • Commercial electrical installations.
  • Power distribution panels.
  • OEM electrical equipment.
  • Industrial automation power supplies.

Technical Specifications

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Fuse Indication Visual indicator
Voltage 400 V
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH2
Fuse Class gTr
Current 180 A
Manufacturer Mersen
Series NH gTr 400 V Transformer Fuse-links
Model NH2GTR125KVA-1
Manufacturer part number Q1028689
Product type DIN NH gTr transformer fuse-link
Fuse size NH2
Rated current 180 A
Transformer rating 125 kVA
Rated voltage 400 V AC
Fuse characteristic gTr
Indication system Centre indicator
Gripping lugs Insulated
Body width 41.9 mm
Product weight Approx. 0.5 kg
Mounting Compatible NH Size 2 fuse base
RoHS compliant Yes
HS Code 85361090
Country of Manufacture Hungary

Frequently Asked Questions

What is the Mersen NH2GTR125KVA-1 used for?

The NH2GTR125KVA-1 is designed specifically to protect distribution transformers up to 125 kVA against overloads and short circuits.

What is the current rating of this fuse-link?

The Mersen NH2GTR125KVA-1 has a rated current of 180 A.

What voltage is the fuse designed for?

This transformer fuse-link is designed for operation on 400 V AC electrical systems.

What does the gTr characteristic mean?

The gTr characteristic is specifically developed for transformer protection, allowing transformer inrush currents whilst providing reliable fault protection and selectivity with downstream gG fuse-links.

What type of indication does this fuse provide?

The NH2GTR125KVA-1 incorporates a centre-mounted operating indicator together with insulated gripping lugs for safe handling using the appropriate NH fuse puller.

Trusted by Electrical Professionals Worldwide

Mersen NH gTr transformer fuse-links are trusted by panel builders, electrical contractors, utilities and OEMs for dependable transformer protection across industrial and commercial power distribution systems.