Wöhner 03582 NH Size 3 fuse link with 630 A current rating, 500 V AC, gG operating class and high breaking capacity for industrial power distribution and switchgear protection.
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The Wöhner 03582 is a high-performance NH fuse link designed to provide dependable overcurrent and short-circuit protection for industrial electrical distribution systems. Manufactured by Wöhner, this NH Size 3 gG fuse is engineered to IEC standards, making it suitable for protecting cables, switchgear, busbar systems and electrical equipment in demanding industrial environments.
Designed for reliable fault protection, the Wöhner 03582 combines excellent breaking capacity with robust porcelain construction to ensure safe operation under high electrical loads. The fuse incorporates a double indicator for easy identification of blown fuse links, helping reduce maintenance time and minimise system downtime.
With a 630 A rated current, 500 V AC rated voltage and gG operating class, the Wöhner 03582 provides comprehensive protection against overloads and short circuits in low-voltage power distribution applications.
Key Advantages
High quality NH Size 3 fuse link for industrial protection.
630 A current rating for high-power electrical systems.
500 V AC and 250 V DC rated operation.
gG utilisation category providing full-range cable and equipment protection.
Double blown fuse indicator for faster maintenance.
High breaking capacity for improved electrical safety.
Reliable porcelain body designed for demanding industrial environments.
Key Features
Manufacturer: Wöhner.
Part Number: 03582.
NH Size 3 fuse link.
630 A rated current.
500 V AC rated voltage.
250 V DC rated voltage.
gG utilisation category.
Double visual indicator.
Porcelain construction.
Suitable for industrial switchgear and distribution systems.
Reliable Protection for Industrial Power Distribution
NH fuse links are essential components in low-voltage electrical installations, protecting cables, switchgear, transformers and industrial equipment against overloads and high fault currents. The Wöhner 03582 is designed to interrupt fault currents rapidly, helping safeguard personnel and minimise damage to valuable electrical assets.
Its robust construction, high interrupting capacity and compliance with international IEC standards make it suitable for modern electrical panels, busbar systems and industrial distribution networks where dependable circuit protection is essential.
Typical Applications
Industrial power distribution panels.
Busbar systems.
Main switchboards.
Motor control centres.
Electrical switchgear.
Manufacturing facilities.
Infrastructure and utility installations.
Commercial electrical distribution systems.
Technical Specifications
Current
630 A
Manufacturer
Wöhner
Model
03582
Product type
NH fuse link
Fuse size
NH 3
Rated current
630 A
Rated voltage AC
500 V
Rated voltage DC
250 V
Utilisation category
gG
Breaking capacity AC
120 kA
Breaking capacity DC
80 kA
Indicator
Double indicator
Material
Porcelain
Halogen free
Yes
Standards
IEC 60269-1 & IEC 60269-2
HS Code
85361090
Country of Manufacture
Hungary
Frequently Asked Questions
What is the Wöhner 03582 used for?
The Wöhner 03582 protects industrial electrical circuits, cables and equipment from overloads and short circuits in low-voltage power distribution systems.
What is the current rating of this fuse?
The Wöhner 03582 has a 630 A rated current.
What voltage is the fuse designed for?
It is rated for 500 V AC and 250 V DC operation.
What does the gG classification mean?
The gG utilisation category provides full-range protection against both overloads and short circuits for general industrial applications.
Where is this fuse commonly installed?
It is typically installed in industrial switchboards, busbar systems, motor control centres and electrical distribution equipment.
Trusted by Electrical Professionals Worldwide
Wöhner NH fuse links are widely used by panel builders, electrical contractors and industrial maintenance engineers for dependable circuit protection in demanding power distribution applications.
Current
630 A
Manufacturer
Wöhner
Model
03582
Product type
NH fuse link
Fuse size
NH 3
Rated current
630 A
Rated voltage AC
500 V
Rated voltage DC
250 V
Utilisation category
gG
Breaking capacity AC
120 kA
Breaking capacity DC
80 kA
Indicator
Double indicator
Material
Porcelain
Halogen free
Yes
Standards
IEC 60269-1 & IEC 60269-2
HS Code
85361090
Country of Manufacture
Hungary
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...