Why Choose the Wöhner 01890 Connecting Latch with Brace Terminal?
The Wöhner 01890 is a heavy-duty connecting latch with brace terminal designed for terminating large copper and aluminium conductors in industrial power distribution systems. It provides a secure mechanical and electrical connection between cables and busbar systems, making it ideal for switchgear, panel building and OEM power distribution applications.
Engineered for M10 or M12 screw connections, the terminal accommodates Cu and Al conductors from 120–300 mm². Its brace terminal design securely embraces the cable, while clearly marked tightening torque and conductor size information simplify installation and help ensure reliable, standards-compliant connections.
Rated at 600 A and 690 V AC, the Wöhner 01890 complies with IEC 61439-1 and IEC 60999 standards, making it suitable for demanding industrial electrical installations requiring dependable high-current cable terminations.
Key Advantages
Heavy-duty connecting latch for high-current cable connections.
Suitable for both copper and aluminium conductors.
Compatible with M10 and M12 screw connections.
Supports conductor sizes from 120–300 mm².
Brace terminal securely grips the conductor.
Torque and conductor size markings simplify installation.
Halogen-free construction.
Key Features
Manufacturer: Wöhner.
Part number: 01890.
Product type: Connecting latch with brace terminal.
Rated current: 600 A.
Rated voltage: 690 V AC.
For M10 or M12 screw connections.
Suitable for Cu and Al conductors.
Designed for industrial power distribution systems.
Reliable High Current Cable Connections
Connecting latches with brace terminals provide a dependable interface between high-current conductors and busbar systems. Their robust design minimises contact resistance while delivering excellent mechanical retention, making them ideal for demanding industrial switchgear and electrical distribution equipment.
The Wöhner 01890 is designed for straightforward installation with both copper and aluminium conductors, helping panel builders and electrical engineers achieve reliable, standards-compliant cable terminations in modern power distribution systems.
The Wöhner 01890 provides a secure connection between high-current copper or aluminium cables and industrial busbar systems.
Which conductor sizes are supported?
It accepts copper and aluminium conductors from 120–300 mm² (fine stranded) and 95–300 mm² (multi-stranded).
What fixing hardware does it use?
The connecting latch is designed for M10 or M12 screw connections.
Is it suitable for aluminium conductors?
Yes. It is approved for aluminium conductors, although the manufacturer's maintenance recommendations for aluminium should always be followed.
What is its rated current?
The Wöhner 01890 has a rated current of 600 A under IEC standards.
Trusted for Industrial Power Distribution
Wöhner connection technology is trusted worldwide by switchgear manufacturers, panel builders and OEM machine builders to provide safe, reliable and efficient industrial power distribution solutions.
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.
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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...