Siemens 6ES7951-0KE00-0AA0 Programmable Logic Controller Module

Siemens 6ES7951-0KE00-0AA0 memory card for the SIMATIC S7-300 PLC family provides 32 KB of 5V Flash EPROM in a compact short-design package, designed as a spare part for S7-300 systems. Used to store and transfer PLC programs and data, this nonvolatile memory enables quick swaps and reliable backups during maintenance or hardware replacement. The part number 6ES7951-0KE00-0AA0 identifies a memory-card accessory with a weight of approximately 38 g, reflecting its small, card-like form factor. As a dedicated memory accessory for S7-300 CPUs and modules, it supports archival of program blocks and configuration data, simplifying field service and upgrades. Compatible specifically with SIMATIC S7-300 installations, the memory card is commonly referenced in distributor catalogs as a spare-part memory card for S7-300 systems.