SIEMENS 6ES7221-1BH30-0XB0 Description Description SIEMENS SIMATIC S7-1200, DIGITAL INPUT SM 1221, 16 DI, 24VDC, SINK/SOURCE INPUT Related products SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FK6042-6AF71-1TH0 Quick View 6SL3120-1TE32-0AA4 SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FN3050-4SA00-0AA0
