SIEMENS 6AV3971-1NA03-0CA0 Description Description SIEMENS MEMORY SUBMODULE FOR OP20 WITH FIRMWARE FOR AS511, FAP, L1, 256 KBYTES Related products SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FK6042-6AF71-1TB0
