SINAMICS S210 AC link connector, individual for 400 V 3 AC Frame size: FSA - FSC Accessory plug set AC link for the SINAMICS S210 servo converter. For the three-phase voltage range, a plug set with an AC bus plug and a cover cap is available for coupling the grid infeed. This plug replaces the push-in plug included in the scope of delivery for the converter. SINAMICS – simply my drive.