SIEMENS 6DD1681-0DH1 Description Description SIEMENS SIMADYN D BINARY OUTPUT MODULE SB71 8 BI, 24 OR 48 V DC LED-DISPLAY, GALVANIC ISOLATION Related products SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK6060-6AF71-1TA0