The ABB BER16-4 is a connection set designed for reversing starters, simplifying the connection of main poles for two 3-pole AF09..AF16, AFC09..AFC16, or AFS09..AFS16 contactors when mounted side-by-side. This kit includes upstream and downstream connections made from insulated, solid copper bars for reliable performance..The ABB BER16-4 is a connection kit for reversing starters. It is designed for use with AF09 to AF16 series contactors. The kit includes upstream and downstream connections made of insulated solid copper bars. The nominal operating voltage for the main circuit is 690 V AC. The product has a net weight of 0.045 kg and dimensions of 72 mm in width, 33 mm in height, and 14.55 mm in depth.