Article Number (Market Facing Number)：6ES73121AE140AB0 | 6ES73121AE140AB0
Product Description：SIMATIC S7-300, CPU 312 Central processing unit with MPI, Integr. power supply 24 V DC, Work memory 32 KB, Micro Memory Card required
Product family：CPU 312
Product Lifecycle (PLM)：PM400:Phase Out Started