The Birkett range of patented shear bolt mechanical connectors, tested to IEC 61238-1.

• Suitable for both copper and aluminium conductors
  

• Suitable for both polymeric and paper insulated cables up to 400mm sq.
  

• Suitable for both stranded and solid conductors.
  

• Range taking - larger range of conductor sizes can be accommodated within each connector.
  

• Independently tested to latest industry standard IEC 61238-1.
  

• Engineered to facilitate stranded conductors with ease without the need to
  shape conductor by hand.
  

• Full range of mains straight, mains branch and service mechanical connectors available.
  

• Precise design with shear bolt head torque control provides high conductivity under 130°C with a short circuit test of 250°C ensuring compatibility with the overload requirement of todays modern cables.