The Wöhner 32789 is a high-performance busbar adapter from the renowned Wöhner EQUES 185Power range, designed to provide a secure and efficient mounting solution for high-current circuit breakers in industrial power distribution systems. Engineered for reliability, this adapter simplifies the installation of compatible Eaton NZM4 circuit breakers while maintaining excellent electrical performance.
Designed for modern switchboards and low-voltage power distribution assemblies, the Wöhner 32789 delivers dependable current carrying capability up to 1400 A. Its robust construction supports fast installation onto copper busbars while helping reduce assembly time and ensuring a compact, organised panel layout.
Suitable for industrial control panels, distribution boards and electrical switchgear, the adapter is designed for use with 30, 40, 60, 80, 100 and 120 × 10 mm busbars. The bottom screw connection provides a secure mechanical and electrical connection, making it ideal for demanding industrial environments.
Key Advantages
High-current 1400 A busbar adapter for industrial power distribution.
Designed for the Wöhner EQUES 185Power system.
Compatible with Eaton NZM4 1600 A circuit breakers.
Suitable for multiple copper busbar sizes.
Robust screw connection for secure installation.
Helps simplify switchboard assembly and maintenance.
Key Features
Wöhner EQUES 185Power busbar adapter.
1400 A rated current.
800 V AC rated operating voltage.
Bottom screw connection.
Designed for Eaton NZM4 (1600 A) breakers.
Supports busbars: 30, 40, 60, 80, 100 and 120 × 10 mm.
Industrial-grade construction for long service life.</li
Designed for IEC 61439 compliant switchboard systems.
Reliable High Current Busbar Mounting
The Wöhner 32789 is engineered to provide a safe and reliable interface between high-current circuit breakers and busbar systems. Its precision design helps ensure excellent electrical contact while simplifying installation within industrial switchgear and distribution assemblies.
As part of the Wöhner EQUES 185Power platform, this adapter enables flexible panel configurations while supporting efficient power distribution in manufacturing plants, commercial facilities and heavy industrial installations.
Typical Applications
Industrial switchboards.
Low-voltage power distribution systems.
Motor control centres.
Commercial electrical distribution panels.
Industrial automation systems.
OEM switchgear manufacturing.
Technical Specifications
Current
1200 A
Manufacturer
Wöhner
Series
EQUES 185Power
Model
32789
Product type
Busbar adapter
Rated current
1400 A
Rated voltage
800 V AC
Compatible circuit breaker
Eaton NZM4 (1600 A)
Connection type
Bottom screw connection
Busbar compatibility
30, 40, 60, 80, 100, 120 × 10 mm
Standards
IEC 61439-1
System
EQUES 185Power
EAN
4021267327897
Frequently Asked Questions
What is the Wöhner 32789 used for?
The Wöhner 32789 is a busbar adapter designed to mount compatible Eaton NZM4 circuit breakers onto Wöhner EQUES 185Power busbar systems.
What is the current rating?
The adapter has a rated current of 1400 A, making it suitable for demanding industrial power distribution applications.
Which busbar sizes are supported?
It is compatible with copper busbars measuring 30, 40, 60, 80, 100 and 120 × 10 mm.
Which circuit breaker is this adapter designed for?
The Wöhner 32789 is designed for use with the Eaton NZM4 1600 A circuit breaker.
Where is the Wöhner 32789 typically installed?
It is commonly installed in industrial switchboards, electrical distribution panels and low-voltage power distribution systems.
Trusted for Industrial Power Distribution
Wöhner busbar systems are trusted by panel builders, OEMs and electrical engineers worldwide for delivering safe, reliable and efficient power distribution solutions in demanding industrial environments.
Current
1200 A
Manufacturer
Wöhner
Series
EQUES 185Power
Model
32789
Product type
Busbar adapter
Rated current
1400 A
Rated voltage
800 V AC
Compatible circuit breaker
Eaton NZM4 (1600 A)
Connection type
Bottom screw connection
Busbar compatibility
30, 40, 60, 80, 100, 120 × 10 mm
Standards
IEC 61439-1
System
EQUES 185Power
EAN
4021267327897
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
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● 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.
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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...