SIEMENS 8WD4428-0BA Description Description SIEMENS SIGNALLING COLUMN AS-INTERFACE ELEMENT W/O EXTERNAL AUX. VOLTAGE, Related products SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK7042-5AK71-1FB0
