SIEMENS 6DD1661-0AB1 Description Description SIEMENS SIMADYN D COMMUNICATION MODULE CSH11 SLAVE INTERFACE FOR BUS SYSTEM SINEC H1 Related products SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1790L811A SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK6032-6AK71-1TG0