SIEMENS 6DD1681-0CA2 Description Description SIEMENS SIMADYN D DIGITAL CONTR. SYSTEM SITOR INTERFACE SE20.2 DIRECT COUPLING FOR PG16 , PG26, PT20G Related products SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK6042-6AF71-1TH0 SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FT5066-1AF71-4AA0