Round uninsulated connectors

Single-pole sockets and plugs uninsulated


  • Suitable for high-current connectors as well as signal contacts
  • Connectors in low, medium and high voltage installations
  • Connectors for machinery and apparatus engineering
  • Connectors for power supplies
  • Connectors for testing and quality control
  • Connectors in research and development

A broad product range of standard socket and plug diameters allows the selection of the best suitable connector size for the specific application. For the connection of sockets and plugs itself and their conductor connection, various terminations are available offering a high application flexibility. Special connections with other dimensions or materials as well as special plating for higher temperatures and plugging frequencies are available on request. The MULTILAM Technology is resistant against vibration, shock and impact and ensures constantly low contact resistance and long service life. 


  • High application flexibility
  • Constantly low contact resistance
  • Cost-effective connections due to standardized diameters

Key features

  • Terminations: crimp, thread, press-in with external MULTILAM
  • High rated current and short circuit carrying capacity
  • Wide range of standard diameters, specific diameters on request


  • Brass, crimping sleeve: copper
  • Silver plating (standard)
  • MULTILAM torsio implemented

Technical Specifications

Socket and plugs

product range

Diameter range

2 – 100 mm

Rated current

up to 6,300 A

Short circuit current (1s)

up to 120 kA

Peak current withstands

up to 550 kA

Mating cycles

up to 5,000

Maximum working temperature (with specific plating)