Wöhner 01166 busbar connecting terminal rated at 520 A for connecting identical 12, 15 and 20 mm flat busbars in industrial switchboards and power distribution systems.
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Why Choose the Wöhner 01166 Busbar Connecting Terminal?
The Wöhner 01166 is a compact and robust 520 A busbar connecting terminal designed to create secure longitudinal connections between identical flat copper busbars in industrial switchboards and power distribution systems. As part of the proven Wöhner 60Classic and 30Compact 3P systems, it provides a reliable solution for joining adjacent busbar sections while maintaining excellent electrical continuity.
Designed for professional panel builders and switchgear manufacturers, the terminal is compatible with 12, 15 and 20 mm wide busbars in both 5 mm and 10 mm thicknesses. Its compact screw-clamp design enables fast installation without machining the busbars, helping reduce installation time while ensuring a dependable mechanical and electrical connection.
With a maximum IEC current capacity of 520 A, a 690 V AC rated voltage and a compact 55 mm length, the Wöhner 01166 is ideal for modular switchboards, machine control panels and industrial low-voltage power distribution systems.
Key Advantages
Heavy-duty busbar connecting terminal for industrial power distribution.
520 A maximum IEC current capacity.
Compatible with 12, 15 and 20 mm busbars.
Suitable for both 5 mm and 10 mm thick busbars.
Compact 55 mm design saves switchboard space.
Compatible with the Wöhner 60Classic and 30Compact 3P systems.
Key Features
Wöhner busbar connecting terminal.
520 A verified IEC current capacity.
690 V AC IEC rated voltage.
Maximum permitted voltage of 1,000 V AC or 1,500 V DC.
Compatible with 12, 15, 20 × 5 or 10 mm busbars.
M8 screw-clamp connection.
Halogen-free construction.
Compact brass terminal body for dependable electrical performance.
Reliable Longitudinal Busbar Connections
Busbar connecting terminals provide a secure electrical bridge between adjacent busbar sections, allowing modular switchboards and distribution systems to be extended while maintaining a low-resistance electrical path. Their compact design simplifies installation and ensures dependable long-term performance in demanding industrial environments.
The Wöhner 01166 is specifically designed for connecting identical flat busbars. Three terminals are required for a standard three-phase installation, and the maximum permitted busbar offset is 1 mm to ensure correct alignment and electrical performance.
Typical Applications
Industrial switchboards.
Power distribution panels.
Motor control centres.
Machine control cabinets.
Low-voltage switchgear.
Wöhner 60Classic and 30Compact busbar systems.
Technical Specifications
Current
520 A
Phase
Three Phase
Manufacturer
Wöhner
Series
60Classic / 30Compact 3P
Model
01166
Full article number
01166 000
Product type
Busbar connecting terminal
Current capacity (IEC)
520 A
Rated voltage
690 V AC
Maximum permitted voltage
1,000 V AC / 1,500 V DC
Rated peak withstand current (Ipk)
63.1 kA
Rated short-time withstand current (Icw 1 s)
21 kA
Compatible busbars
12, 15, 20 × 5 or 10 mm
Permitted busbar displacement
1 mm
Permitted system spacing
5 to 10 mm
Connection type
Screw clamp
Clamp screws
2 × M8
Tightening torque
9.6 to 14.4 Nm
Dimensions (W × H × D)
55 × 29 × 20 mm
Approximate weight
0.192 kg
Material
Plain brass terminal body
Halogen-free
Yes
Pack quantity
12
EAN
4021267011666
HS Code
85369010
Country of Manufacture
Germany
Frequently Asked Questions
What is the Wöhner 01166 used for?
The Wöhner 01166 is used to securely connect identical flat busbars within industrial switchboards and electrical power distribution systems.
Which busbar sizes are compatible with this connector?
The terminal is suitable for 12, 15 and 20 mm wide busbars with 5 mm or 10 mm thicknesses.
What is the maximum current capacity?
The Wöhner 01166 has a verified maximum IEC current capacity of 520 A and a rated operating voltage of 690 V AC.
How many connectors are required for a three-phase installation?
Three Wöhner 01166 terminals are required to create a complete three-phase longitudinal busbar connection.
What is the maximum permitted busbar offset?
The maximum permitted busbar displacement is 1 mm to ensure reliable electrical and mechanical performance.
Trusted for Industrial Busbar Systems
Wöhner busbar connection components are trusted by panel builders, electrical contractors and switchgear manufacturers to deliver dependable high-current electrical connections in industrial power distribution systems.
Current
520 A
Phase
Three Phase
Manufacturer
Wöhner
Series
60Classic / 30Compact 3P
Model
01166
Full article number
01166 000
Product type
Busbar connecting terminal
Current capacity (IEC)
520 A
Rated voltage
690 V AC
Maximum permitted voltage
1,000 V AC / 1,500 V DC
Rated peak withstand current (Ipk)
63.1 kA
Rated short-time withstand current (Icw 1 s)
21 kA
Compatible busbars
12, 15, 20 × 5 or 10 mm
Permitted busbar displacement
1 mm
Permitted system spacing
5 to 10 mm
Connection type
Screw clamp
Clamp screws
2 × M8
Tightening torque
9.6 to 14.4 Nm
Dimensions (W × H × D)
55 × 29 × 20 mm
Approximate weight
0.192 kg
Material
Plain brass terminal body
Halogen-free
Yes
Pack quantity
12
EAN
4021267011666
HS Code
85369010
Country of Manufacture
Germany
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.
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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...