03183 Wohner NH fuse 1250 A

03183 Wohner NH fuse 1250 A

Wöhner 03183 NH 4a fuse link rated at 1250 A, 500 V AC and 250 V DC with gG operating class for industrial low voltage power distribution.

SKU: 03183Alt SKU: 03183000MPN: 03183000
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List Price £306.22 ex VAT
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Why Choose the Wöhner 03183 NH Fuse Link?

The Wöhner 03183 is a heavy-duty NH fuse link designed to provide dependable full-range protection against overloads and short circuits in industrial low voltage power distribution systems. Manufactured by Wöhner, this NH 4a size gG fuse is rated at 1250 A with a 500 V AC and 250 V DC voltage rating, making it ideal for high-current switchgear, utility installations and OEM power distribution equipment.

Manufactured in accordance with IEC 60269-1 and IEC 60269-2, the Wöhner 03183 delivers reliable protection for cables, conductors and electrical equipment. It offers a high breaking capacity of 120 kA AC and 70 kA DC, ensuring dependable fault interruption in demanding industrial environments.

Constructed with a durable porcelain body and halogen-free materials, the 03183 provides long service life and reliable performance in commercial, industrial and utility power distribution applications.

Key Advantages

  • Heavy-duty 1250 A NH fuse link.
  • NH 4a size for very high-current applications.
  • gG operating class for full-range overload and short-circuit protection.
  • Rated 500 V AC / 250 V DC.
  • 120 kA AC breaking capacity.
  • Porcelain body with halogen-free construction.

Key Features

  • Wöhner NH fuse link.
  • 1250 A rated current.
  • NH 4a size.
  • Utilisation category: gG.
  • Rated voltage: 500 V AC / 250 V DC.
  • Breaking capacity: 120 kA AC / 70 kA DC.
  • Industrial-grade porcelain construction.
  • Suitable for industrial low voltage power distribution.

High-Performance Circuit Protection

The Wöhner 03183 is engineered to deliver dependable overload and short-circuit protection for high-current electrical systems. Its NH 4a design and gG operating class provide comprehensive protection for cables and equipment while supporting reliable operation in demanding industrial installations.

Designed for installation in compatible NH fuse-switch disconnectors and fuse bases, the 03183 helps maximise system reliability while delivering excellent fault interruption performance in critical power distribution applications.

Typical Applications

  • Industrial switchgear.
  • Main power distribution panels.
  • Motor control centres.
  • Utility power distribution.
  • OEM electrical equipment.
  • Commercial and industrial installations.

Technical Specifications

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Current 1250 A
Manufacturer Wöhner
Model 03183
Product type NH Fuse Link
Fuse size NH 4a
Rated current 1250 A
Rated voltage AC 500 V
Rated voltage DC 250 V
Operating class gG
Breaking capacity AC 120 kA
Breaking capacity DC 70 kA
Power dissipation 84 W at full load (53.8 W at typical 80% load)
Material Porcelain
Halogen free Yes
Pack quantity 1
EAN 4021267031831
HS Code 85361090
Country of Manufacture Hungary

Frequently Asked Questions

What is the Wöhner 03183 used for?

It provides overload and short-circuit protection for high-current industrial power distribution systems.

What is the current rating?

The Wöhner 03183 has a rated current of 1250 A.

What fuse size is it?

This model is an NH 4a fuse link.

What utilisation category does it have?

The fuse is classified as gG, providing full-range protection against overloads and short circuits.

Where is the Wöhner 03183 typically installed?

It is commonly installed in industrial switchgear, utility distribution equipment, main distribution panels and OEM electrical systems.

Trusted by Electrical Professionals Worldwide

Wöhner NH fuse links are trusted worldwide by switchgear manufacturers, panel builders and industrial electricians for delivering dependable circuit protection, high fault-breaking capacity and long-term reliability in demanding power distribution applications.