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03557 Wohner NH fuse 125 A
Wöhner 03557 NH size 1 gG fuse link with a 125 A current rating and 500 V AC rating for industrial circuit protection and power distribution.
£13.19
Why Choose the Wöhner 03557 NH Fuse?
The Wöhner 03557 is a premium NH size 1 gG fuse link designed to deliver dependable overload and short-circuit protection for industrial low-voltage electrical systems. Manufactured by Wöhner, a globally recognised leader in electrical power distribution technology, this NH fuse protects cables, transformers, switchgear, motor circuits and power distribution equipment in demanding industrial applications.
Manufactured in accordance with IEC 60269-1 and IEC 60269-2, the Wöhner 03557 provides excellent fault interruption capability, dependable long-term performance and high operational safety. Its porcelain body and double indicator design allow maintenance personnel to quickly identify a blown fuse, helping minimise downtime and simplify servicing.
With a 125 A rated current, 500 V AC operating voltage and a gG utilisation category, the Wöhner 03557 is ideal for protecting industrial feeders, machinery, transformers and general power distribution systems where reliable circuit protection is essential.
Key Advantages
- Industrial NH size 1 fuse link for dependable electrical protection.
- 125 A rated current suitable for industrial power distribution.
- 500 V AC rated voltage for low-voltage electrical installations.
- gG operating class providing full-range overload and short-circuit protection.
- 120 kA AC breaking capacity enhances system safety.
- Double indicator enables rapid visual inspection of fuse condition.
Key Features
- Manufacturer: Wöhner.
- Part number: 03557.
- NH size 1 fuse link.
- 125 A rated current.
- 500 V AC / 250 V DC rated voltage.
- gG utilisation category.
- Double visual indicator.
- 120 kA AC breaking capacity.
- Porcelain body construction.
- Suitable for vertical and horizontal installation.
Reliable Protection for Industrial Electrical Systems
The Wöhner 03557 NH fuse rapidly interrupts overloads and high prospective fault currents, helping minimise equipment damage while improving the safety and reliability of industrial electrical installations. Its high interrupting capacity makes it suitable for demanding manufacturing, commercial and infrastructure applications.
Designed for OEM manufacturers, electrical contractors and panel builders, this NH fuse combines dependable performance with internationally recognised electrical standards, making it an excellent solution for modern industrial power distribution systems.
Typical Applications
- Industrial switchboards.
- Power distribution systems.
- Motor protection circuits.
- Transformer protection.
- Cable protection.
- Electrical control panels.
- Manufacturing facilities.
- OEM electrical equipment.
Technical Specifications
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| Current | 125 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 03557 | |
| Product type | NH fuse link | |
| Fuse size | NH 1 | |
| Rated current | 125 A | |
| Rated voltage (AC) | 500 V | |
| Rated voltage (DC) | 250 V | |
| Operating class | gG | |
| Short-circuit breaking capacity (AC) | 120 kA | |
| Short-circuit breaking capacity (DC) | 80 kA | |
| Indicator | Double indicator | |
| Material | Porcelain | |
| Installation | Vertical or horizontal | |
| Halogen free | Yes | |
| Standards | IEC 60269-1, IEC 60269-2 | |
| Power dissipation at 80% load | 7.6 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Wöhner 03557 used for?
The Wöhner 03557 is an NH size 1 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.
What is the rated current of the Wöhner 03557?
This fuse has a 125 A rated current.
What voltage is the Wöhner 03557 designed for?
The fuse is rated for 500 V AC and 250 V DC operation.
What does the gG classification mean?
The gG utilisation category provides full-range protection against overloads and short circuits, making it suitable for protecting cables and general industrial electrical equipment.
Where is this NH fuse commonly installed?
The Wöhner 03557 is commonly installed in industrial switchboards, distribution panels, motor control centres and electrical cabinets.
Trusted for Industrial Circuit Protection
Wöhner NH fuse links are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for delivering dependable circuit protection, excellent fault interruption performance and long-term operational reliability.
