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03947 Wohner NH fuse 500 A
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.
£104.99
Why Choose the Wöhner 03947 NH Fuse?
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.
Key Advantages
- Industrial-grade NH3 fuse link for reliable circuit protection.
- 500 A rated current for high-power electrical installations.
- 690 V AC operating voltage for industrial power distribution systems.
- gG utilisation category providing full-range overload and short-circuit protection.
- 80 kA breaking capacity for demanding fault conditions.
- Manufactured by Wöhner for dependable long-term reliability.
Key Features
- Wöhner NH fuse series.
- Part number: 03947.
- Rated current: 500 A.
- Rated voltage: 690 V AC.
- Rated voltage: 400 V DC.
- Fuse size: NH3.
- Utilisation category: gG.
- Combination fuse status indicator.
- High-strength porcelain body.
- Suitable for NH3 fuse switch disconnectors and fuse bases.
Reliable Circuit Protection for Industrial Power Distribution
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.
Typical Applications
- Industrial switchboards.
- Low-voltage power distribution systems.
- Machine control panels.
- Motor control centres.
- OEM electrical equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| 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 |
Frequently Asked Questions
What is the Wöhner 03947 used for?
The Wöhner 03947 is an NH3 gG fuse link designed to protect electrical circuits against overloads and short circuits.
What is the current rating of this fuse?
The Wöhner 03947 has a rated current of 500 A.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC and 400 V DC.
What does the gG classification mean?
The gG utilisation category provides full-range protection for cables and electrical equipment against overloads and short circuits.
Where is the Wöhner 03947 commonly installed?
It is commonly installed in industrial switchboards, motor control centres, fuse switch disconnectors and low-voltage power distribution systems.
Trusted by Electrical Professionals Worldwide
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.
