Siemens 6ES7952-1AM00-0AA0 Memory Card For SIMATIC S7 MC952

The Siemens 6ES7952-1AM00-0AA0 Memory Card is a RAM memory module for SIMATIC S7-400 PLCs (MC952) with a 4 MB capacity in the long-design form factor. It is intended for use with S7-400 controllers that support MC952 RAM cards, expanding the processor’s working memory for runtime data and program data within compatible CPU modules. The exact part number is 6ES7952-1AM00-0AA0, and industry catalogs describe this card specifically as a RAM memory card for S7-400, long version, 4 Mbytes. Weighing approximately 55 g, the card is a compact plug-in accessory designed to fit Siemens’ S7 memory-card interface used by MC952-series devices. As part of the SIMATIC S7 memory-card family, the 4 MB RAM card is commonly referenced for MC952-equipped configurations and is compatible with S7-400 CPUs that accept RAM memory cards. The designation 6ES7952-1AM00-0AA0 confirms its role as a dedicated RAM resource within Siemens’ S7-400 ecosystem.