01890 Wohner connecting latch with brace terminal

01890 Wohner connecting latch with brace terminal

Wöhner 01890 connecting latch with brace terminal for M10 or M12 screw connections, suitable for copper and aluminium conductors from 120–300 mm².

SKU: 01890Alt SKU: 01890000MPN: 01890000
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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.

Typical Applications

  • Industrial switchboards.
  • Main power distribution panels.
  • Motor control centres.
  • OEM machinery.
  • Electrical distribution systems.
  • Industrial automation equipment.

Technical Specifications

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Conductor Size 120–300 mm²
Product Series Wöhner 60Classic
Device Type Terminal / feed-in
Busbar Centre Distance (mm) 60 mm
Manufacturer Wöhner
Series 60Classic
Model 01890
Product type Connecting latch with brace terminal
Rated current (IEC) 600 A
Rated voltage 690 V AC
Maximum voltage 1000 V AC / 1500 V DC
Compatible conductor material Copper and Aluminium
Conductor size 120–300 mm² (fine stranded), 95–300 mm² (multi-stranded)
Connection M10 or M12 screw
Tightening torque 30 Nm
Dimensions (W × H × D) 40 × 49 × 88 mm
Standards IEC 61439-1, IEC 60999-1, IEC 60999-2
Halogen free Yes
Pack quantity 3
HS Code 85369010
Country of Manufacture Germany

Frequently Asked Questions

What is the Wöhner 01890 used for?

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.