SINAMICS S210 EMC filter C2, 35A for 3AC 400V Frame Size: FSA - FSC Accessory line filter for the SINAMICS S210 servo converter. With these line filters, category C2 can be achieved for cable lengths of up to 25 m and category C3 up to 50 m in accordance with IEC 618003. With DC link coupling, a total cable length of up to 100 m with category C2 and up to 250 m with category C3 is possible. SINAMICS is simply my drive.