SIEMENS 6ED1055-1CB00-0BA0 Description Description SIEMENS LOGO! DM8 24 EXPANSION MODULE, PU/I/O: 24V/24V/TRANS., 4 DI/4 DO Related products SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FK6042-6AF71-1TB0