Wöhner 03556 NH size 1 gG fuse link with a 100 A current rating and 500 V AC rating for industrial circuit protection and power distribution.
£16.49
The Wöhner 03556 is a premium NH size 1 gG fuse link engineered to provide reliable overload and short-circuit protection for industrial low-voltage electrical systems. Manufactured by Wöhner, a trusted leader in electrical power distribution technology, this fuse is designed to protect switchgear, motor circuits, transformers, cables and power distribution equipment in demanding industrial environments.
Designed in accordance with IEC 60269-1 and IEC 60269-2, the Wöhner 03556 delivers high fault interruption capability, dependable long-term performance and excellent operational safety. Its porcelain body and double indicator design enable quick visual identification of a blown fuse, helping to reduce maintenance time and minimise downtime.
With a 100 A rated current, 500 V AC operating voltage and gG utilisation category, the Wöhner 03556 is ideal for protecting feeders, industrial machinery, transformers and general-purpose power distribution systems.
The Wöhner 03556 NH fuse rapidly interrupts overloads and high prospective fault currents, helping to 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 panel builders, OEM manufacturers and maintenance engineers, this NH fuse combines dependable performance with internationally recognised electrical standards, making it an excellent solution for modern power distribution systems.
| Current | 100 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 03556 |
| Product type | NH fuse link |
| Fuse size | NH 1 |
| Rated current | 100 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 | 6.0 W |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
The Wöhner 03556 is an NH size 1 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.
This fuse has a 100 A rated current.
The fuse is rated for 500 V AC and 250 V DC operation.
The gG utilisation category provides full-range protection against overloads and short circuits, making it suitable for protecting cables and general industrial electrical equipment.
The Wöhner 03556 is commonly installed in industrial switchboards, distribution panels, motor control centres and electrical cabinets.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...