ABB LTD GBCON 1SBN030111R1000 VEM4 1NO/1NC mechanical and electrical interlock unit is suitable for AF09/AF12/AF16/AF26/AF30/AF38 contractors. It features screw terminal type, 10mm wire stripping length, 11 in-lbs tightening torque and 6kV rated impulse withstand voltage (Uimp). 16A conventional free-air thermal current (Ith) according to IEC 60947-5-1. 690V rated insulation voltage (Ui) according to IEC 60947-5-1 and VDE 0110 (Gr. C).