Siemens 4-531-2116 Description Description Siemens Siemens CNC Control Card Related products SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FT5072-0AC01-1-Z SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FN3050-4SA00-0AA0