Wöhner 03581 NH size 3 gG fuse link with a 500 A current rating and 500 V AC / 250 V DC rating for industrial circuit protection and power distribution.
£48.05
The Wöhner 03581 is a premium NH size 3 gG fuse link engineered to provide dependable overload and short-circuit protection for industrial low-voltage electrical systems. Manufactured by Wöhner, this high-performance NH fuse protects switchgear, transformers, motor circuits, feeders and power distribution equipment operating in demanding industrial environments.
Manufactured in accordance with IEC 60269-1 and IEC 60269-2, the Wöhner 03581 features a durable porcelain body, double visual indicator and a high breaking capacity for rapid fault interruption. Its robust construction helps minimise downtime while ensuring safe and reliable operation throughout industrial electrical installations.
With a 500 A rated current, 500 V AC operating voltage, 250 V DC rating and a gG utilisation category, the Wöhner 03581 is ideally suited for protecting industrial feeders, transformers, motors and general-purpose electrical distribution systems.
The Wöhner 03581 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 120 kA breaking 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 standards, making it an excellent solution for modern industrial power distribution systems.
| Current | 500 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 03581 |
| Product type | NH fuse link |
| Fuse size | NH 3 |
| Rated current | 500 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 | 27.5 W |
| Weight | Approx. 1.05 kg |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
The Wöhner 03581 is an NH size 3 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.
This fuse has a 500 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 03581 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...