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03946 Wohner NH fuse 400 A
Wöhner 03946 NH3 400 A gG fuse link rated at 690 V AC for reliable cable and equipment protection in industrial electrical distribution systems.
£89.67
Why Choose the Wöhner 03946 NH Fuse?
The Wöhner 03946 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 400 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 03946 combines high breaking capacity with a durable porcelain body and a double fuse status indicator for quick visual identification of a blown fuse during maintenance.
With a 400 A rated current, 690 V AC rating and gG utilisation category, the Wöhner 03946 provides full-range protection for cables and electrical equipment, making it an ideal solution for panel builders, OEM manufacturers and industrial maintenance engineers.
Key Advantages
- Industrial-grade NH3 fuse link for reliable circuit protection.
- 400 A rated current for high-power electrical installations.
- 690 V AC operating voltage for industrial 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 performance.
Key Features
- Wöhner NH fuse series.
- Part number: 03946.
- Rated current: 400 A.
- Rated voltage: 690 V AC.
- Rated voltage: 250 V DC.
- Fuse size: NH3.
- Utilisation category: gG.
- Double 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 fast and dependable protection against overloads and short-circuit faults, helping protect cables, switchgear and industrial electrical equipment. Their high interrupting capacity enables faults to be safely cleared, reducing equipment damage and minimising downtime.
The Wöhner 03946 is designed for seamless compatibility with NH3 fuse holders and fuse switch disconnectors, making it ideal for industrial switchboards, motor control centres, OEM equipment 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 | 400 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Series | NH Fuse Links | |
| Model | 03946 | |
| Product type | NH fuse link | |
| Rated current | 400 A | |
| Rated voltage AC | 690 V | |
| Rated voltage DC | 250 V | |
| Fuse size | NH3 | |
| Utilisation category | gG | |
| Rated breaking capacity | 80 kA AC / 80 kA DC | |
| Status indicator | Double indicator | |
| Body material | Porcelain | |
| Halogen free | Yes | |
| Power dissipation at full load | 34.0 W | |
| Standards | IEC 60269-1 / IEC 60269-2 | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Wöhner 03946 used for?
The Wöhner 03946 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 03946 has a rated current of 400 A.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC and 250 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 03946 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.
