Why Choose the Wöhner 31158 D0 Busbar Mounted Switch-Disconnector-Fuse?
The Wöhner 31158 is a robust 3-pole D0 busbar mounted switch-disconnector-fuse from the proven SECUR® 60Classic PowerLiner range. Designed for D01 and D02 fuse links, it combines safe switching, reliable overcurrent protection and dependable isolation in a single compact unit for industrial low-voltage power distribution. It is suitable for mounting directly onto 60 mm busbar systems, making it ideal for modern switchgear and distribution assemblies.
Rated at 63 A, the Wöhner 31158 features a compact 3-pole design with both 3-pole and single-pole switching capability. Its secure cage clamp terminals simplify installation, whilst the touch-safe IP20 front protection enhances operator safety during maintenance and servicing.
Manufactured to IEC 60947 standards, the Wöhner 31158 provides dependable performance for industrial control panels, machinery, motor circuits and power distribution systems where reliable fuse isolation and switching are essential.
Key Advantages
Designed for D01 and D02 fuse links.
63 A rated current.
3-pole switch-disconnector-fuse.
Supports both 3-pole and 1-pole switching.
Direct mounting onto 60 mm busbar systems.
Compact design saves switchboard space.
Touch-safe IP20 front protection.
Quick and secure cage clamp connections.
Key Features
Wöhner SECUR® 60Classic PowerLiner series.
Suitable for D01 and D02 fuse links.
63 A rated current.
400 V AC rated operating voltage.
3-pole construction.
Bottom cable connection.
Compatible with 12, 15, 20, 25 and 30 mm busbar systems.
Complies with IEC 60947-1 and IEC 60947-3.
Reliable Busbar Switching and Fuse Protection
The Wöhner 31158 combines safe isolation, switching and fuse protection within a single compact device, making it ideal for industrial switchboards, motor feeders and distribution systems. Its busbar mounting design reduces installation time whilst ensuring secure, reliable electrical connections.
As part of the Wöhner 60Classic system, it delivers the durability and operational reliability demanded by OEM machine builders, panel manufacturers and industrial maintenance engineers.
Typical Applications
Industrial switchgear.
60 mm busbar systems.
Motor protection circuits.
Machine building.
Power distribution panels.
OEM electrical equipment.
Technical Specifications
Phase
Single Phase
Manufacturer
Wöhner
Series
SECUR® 60Classic PowerLiner
Model
31158
Product type
D0 busbar mounted switch-disconnector-fuse
Fuse size
D01 / D02
Rated current
63 A
Rated voltage
400 V AC
Number of poles
3
Switching
3-pole / 1-pole
Mounting
60 mm busbar system
Connection type
Bottom cage clamp
Conductor size
1.5–16 mm²
Protection rating
IP20
Dimensions (W × H × D)
27 × 220 × 100 mm
Standards
IEC 60947-1, IEC 60947-3
Frequently Asked Questions
What is the Wöhner 31158 used for?
It is a 3-pole busbar mounted switch-disconnector-fuse for D01 and D02 fuse links used in industrial power distribution systems.
Which fuse sizes does it accept?
The Wöhner 31158 is designed for standard D01 and D02 fuse links.
What is the rated current?
The switch-disconnector-fuse has a rated current of 63 A.
Can it be mounted directly onto busbars?
Yes. It is designed for direct installation onto compatible 60 mm busbar systems.
Where is the Wöhner 31158 commonly installed?
It is widely used in industrial switchboards, power distribution systems, machinery and motor control applications.
Trusted by Electrical Professionals Worldwide
Wöhner switch-disconnector-fuses are trusted by panel builders, industrial electricians and OEM manufacturers for delivering safe isolation, dependable circuit protection and long-term reliability in demanding industrial environments.
Phase
Single Phase
Manufacturer
Wöhner
Series
SECUR® 60Classic PowerLiner
Model
31158
Product type
D0 busbar mounted switch-disconnector-fuse
Fuse size
D01 / D02
Rated current
63 A
Rated voltage
400 V AC
Number of poles
3
Switching
3-pole / 1-pole
Mounting
60 mm busbar system
Connection type
Bottom cage clamp
Conductor size
1.5–16 mm²
Protection rating
IP20
Dimensions (W × H × D)
27 × 220 × 100 mm
Standards
IEC 60947-1, IEC 60947-3
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...