Wöhner 03947 NH3 500 A gG fuse link rated at 690 V AC and 400 V DC for reliable cable and equipment protection in industrial electrical distribution systems.
£131.24
The Wöhner 03947 is a premium NH3 gG fuse link engineered to provide dependable protection against overloads and short circuits in low-voltage industrial power distribution systems. Manufactured by Wöhner, this 500 A NH fuse complies with IEC 60269 standards and is designed to safeguard cables, switchgear and electrical equipment in demanding industrial and commercial applications.
Designed for installation in NH size 3 fuse bases and fuse switch disconnectors, the Wöhner 03947 combines high breaking capacity with a robust porcelain body and a combination fuse status indicator for rapid visual identification of a blown fuse. This helps reduce maintenance time while supporting safe and reliable operation.
With a 500 A rated current, 690 V AC, 400 V DC ratings and a gG utilisation category, the Wöhner 03947 provides full-range protection for cables and electrical equipment, making it an ideal choice for panel builders, OEM manufacturers and industrial maintenance professionals.
NH fuse links provide rapid protection against overloads and short-circuit faults, helping safeguard cables, switchgear and industrial electrical equipment. Their high interrupting capacity enables faults to be cleared safely while reducing equipment damage and minimising costly downtime.
The Wöhner 03947 is designed for seamless compatibility with NH3 fuse holders and fuse switch disconnectors, making it ideal for industrial switchboards, motor control centres, OEM machinery and low-voltage power distribution systems.
| Current | 500 A |
|---|---|
| Manufacturer | Wöhner |
| Series | NH Fuse Links |
| Model | 03947 |
| Product type | NH fuse link |
| Rated current | 500 A |
| Rated voltage AC | 690 V |
| Rated voltage DC | 400 V |
| Fuse size | NH3 |
| Utilisation category | gG |
| Rated breaking capacity | 80 kA AC / 80 kA DC |
| Status indicator | Combination fuse status indicator |
| Body material | Porcelain |
| Halogen free | Yes |
| Power dissipation at full load | 43 W |
| Standards | IEC 60269-1 / IEC 60269-2 |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
The Wöhner 03947 is an NH3 gG fuse link designed to protect electrical circuits against overloads and short circuits.
The Wöhner 03947 has a rated current of 500 A.
The fuse is rated for 690 V AC and 400 V DC.
The gG utilisation category provides full-range protection for cables and electrical equipment against overloads and short circuits.
It is commonly installed in industrial switchboards, motor control centres, fuse switch disconnectors and low-voltage power distribution systems.
Wöhner NH fuse links are trusted by electrical engineers, OEM manufacturers and panel builders for delivering reliable circuit protection, high interrupting capacity and dependable performance in demanding industrial power distribution applications.
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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...