The Wöhner 01678 is a premium quality DIII (E33) gG fuse link designed to provide dependable overload and short-circuit protection for low-voltage electrical distribution systems. Manufactured by Wöhner, this fuse link delivers reliable performance for industrial, commercial and OEM electrical installations.
Manufactured in accordance with IEC 60269 standards, the Wöhner 01678 provides full-range circuit protection for cables, switchgear and electrical equipment. Its robust porcelain construction offers excellent thermal stability and mechanical strength, ensuring long service life in demanding industrial environments.
With a rated current of 50 A and a 500 V AC/DC voltage rating, the 01678 is a DIII / E33 size fuse link ideally suited for distribution boards, control panels and industrial power systems requiring reliable general-purpose circuit protection.
Key Advantages
Reliable 50 A DIII fuse link for industrial electrical protection.
500 V AC/DC voltage rating for versatile installation.
gG operating class provides full-range overload and short-circuit protection.
50 kA AC breaking capacity for dependable fault interruption.
Durable porcelain construction for long service life.
Manufactured to IEC 60269 international standards.
Key Features
Manufacturer: Wöhner.
Part number: 01678.
Rated current: 50 A.
Rated voltage: 500 V AC / 500 V DC.
Fuse size: DIII / E33.
Operating class: gG.
Breaking capacity: 50 kA AC, 8 kA DC.
Halogen-free porcelain construction.
Reliable Protection for Electrical Distribution Systems
The Wöhner 01678 D-fuse link is designed to interrupt excessive current safely, protecting cables, electrical equipment and switchgear from damage caused by overloads and short circuits. Its gG characteristic provides comprehensive protection for a wide range of industrial and commercial applications.
The high-quality porcelain body and compliance with recognised international standards ensure dependable operation, making this fuse link an ideal choice for engineers, panel builders and electrical contractors.
Typical Applications
Industrial control panels.
Electrical distribution boards.
Switchgear assemblies.
OEM machinery and equipment.
Commercial electrical installations.
General low-voltage circuit protection.
Technical Specifications
Current
50 A
Manufacturer
Wöhner
Model
01678
Product type
D fuse link
Rated current
50 A
Rated voltage
500 V AC / DC
Fuse size
DIII / E33
Operating class
gG
Breaking capacity (AC)
50 kA
Breaking capacity (DC)
8 kA
Material
Porcelain
Halogen free
Yes
Standards
IEC 60269-1, IEC 60269-3
EAN
4021267016784
HS Code
85361050
Country of Manufacture
Hungary
Frequently Asked Questions
What is the Wöhner 01678 used for?
The Wöhner 01678 is a 50 A DIII fuse link used to protect electrical circuits, cables and equipment against overloads and short circuits.
What voltage is the Wöhner 01678 rated for?
This fuse link is rated for operation at 500 V AC and 500 V DC.
What fuse size is the 01678?
The Wöhner 01678 is manufactured in the DIII / E33 fuse size.
What does the gG classification mean?
The gG operating class provides full-range protection against both overloads and short circuits for general-purpose electrical installations.
What material is the fuse manufactured from?
The Wöhner 01678 is manufactured using a durable porcelain body and is halogen free.
Trusted by Electrical Professionals Worldwide
Wöhner fuse links are trusted by electrical engineers, panel builders and industrial maintenance professionals for providing reliable circuit protection, excellent manufacturing quality and dependable long-term performance.
Current
50 A
Manufacturer
Wöhner
Model
01678
Product type
D fuse link
Rated current
50 A
Rated voltage
500 V AC / DC
Fuse size
DIII / E33
Operating class
gG
Breaking capacity (AC)
50 kA
Breaking capacity (DC)
8 kA
Material
Porcelain
Halogen free
Yes
Standards
IEC 60269-1, IEC 60269-3
EAN
4021267016784
HS Code
85361050
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
● frequently asked questions
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.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
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...