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MERSEN FUSE NH2 160KVA400VGTRNH22GTR160KVA NH22GTR160KVA

MERSEN FUSE NH2 160KVA400VGTRNH22GTR160KVA NH22GTR160KVA

Mersen NH22GTR160KVA NH2 gTr transformer fuse-link rated 231 A, 400 V AC for protection of 160 kVA low-voltage transformers.

SKU: NH22GTR160KVAAlt SKU: NH22GTR160KVAMPN: F1030497
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List Price £33.95 ex VAT
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Why Choose the Mersen NH22GTR160KVA Transformer Fuse-Link?

The Mersen NH22GTR160KVA is a specialist NH size 2 gTr transformer fuse-link engineered to provide dependable protection for 160 kVA low-voltage transformers. Rated at 231 A and 400 V AC, it is specifically designed for transformer protection where conventional general-purpose fuse-links are not suitable.

Its gTr operating characteristic has been developed to match the electrical and thermal characteristics of distribution transformers. This allows the fuse-link to withstand transformer magnetising inrush currents and temporary overload conditions while providing reliable protection against sustained overloads and short-circuit faults. The characteristic also provides excellent selectivity when coordinated with downstream NH gG fuse-links.

Manufactured to the DIN NH standard, the NH22GTR160KVA features a robust ceramic body, silver-plated copper blade contacts, live gripping lugs and a centre-mounted indicator for rapid identification of fuse operation. Its NH2 construction enables installation in compatible NH fuse bases and fuse-switch disconnectors used throughout industrial power distribution systems.

Key Advantages

  • Purpose-designed for 160 kVA transformer protection.
  • 231 A rated current for correctly coordinated transformer circuits.
  • 400 V AC operating voltage for industrial distribution systems.
  • gTr characteristic withstands transformer energisation and temporary overloads.
  • Excellent selectivity with downstream NH gG fuse-links.
  • Centre indicator enables rapid fuse status identification.
  • Live gripping lugs support safe handling using approved NH fuse pullers.

Key Features

  • Mersen NH gTr transformer fuse-link series.
  • NH2 fuse size.
  • 160 kVA transformer rating.
  • 231 A rated current.
  • 400 V AC rated voltage.
  • gTr transformer protection characteristic.
  • Centre-mounted operation indicator.
  • Live gripping lugs.
  • Silver-plated copper blade contacts.
  • High-strength ceramic body.

Optimised Protection for Distribution Transformers

Unlike standard general-purpose fuse-links, the Mersen NH22GTR160KVA is specifically designed around the operating characteristics of distribution transformers. Its time-current curve permits transformer energisation and temporary overloads while ensuring dependable protection against sustained overload and short-circuit faults.

When correctly coordinated, gTr fuse-links provide excellent discrimination with downstream protective devices, helping isolate transformer faults while maintaining continuity of supply to unaffected circuits. Installation should always be carried out by qualified electrical professionals using compatible NH2 equipment.

Typical Applications

  • Low-voltage distribution transformers.
  • Industrial power distribution systems.
  • Transformer secondary protection.
  • Factory switchboards.
  • Commercial electrical distribution.
  • NH fuse-switch disconnectors and transformer panels.

Technical Specifications

Voltage 400 V
Manufacturer Mersen
Series NH gTr Transformer Fuse-Links
Model NH22GTR160KVA
Manufacturer part number Y1028696
Product type NH transformer fuse-link
Fuse size NH2
Utilisation category gTr
Transformer rating 160 kVA
Rated current 231 A
Rated operating voltage 400 V AC
Current type AC
Indicator Centre indicator
Gripping lug design Live gripping lugs
Contact type NH blade contacts
Body material Ceramic
Body width 40 mm
Power dissipation 14 W
Weight approx. 0.5 kg
EAN 3605340545388
RoHS compliant Yes
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH2
Fuse Class gTr
Current 231 A

Frequently Asked Questions

What is the Mersen NH22GTR160KVA used for?

It is specifically designed to protect 160 kVA low-voltage transformers against overload and short-circuit faults.

What are the current and voltage ratings?

The fuse-link is rated at 231 A with a rated operating voltage of 400 V AC.

What does the gTr characteristic mean?

The gTr characteristic is specifically developed for transformer protection, allowing normal transformer energisation and temporary overloads while providing dependable fault protection.

What fuse size is the NH22GTR160KVA?

This product is an NH2 size fuse-link with a body width of approximately 40 mm.

Which fuse holder is compatible?

The NH22GTR160KVA is designed for compatible NH2 fuse bases and fuse-switch disconnectors. Installation should only be carried out by qualified electrical personnel.

Trusted Transformer Protection

Mersen gTr transformer fuse-links are trusted worldwide by panel builders, electrical contractors and power distribution specialists for dependable low-voltage transformer protection and excellent coordination with downstream protective devices.

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