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 1FK7022-5AK71-1AG0 SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FT5066-1AF71-4AA0