6ES7952-1AK00-0AA0 is a backup storage card for the Siemens S7-300/400 series. This module can be used for backing up and restoring programs and data in S7-300/400 series PLCs.
6ES7952-0KH00-0AA0 is a Memory Card from the Siemens S7-1200 series. It provides additional memory space for storing user programs, data, and configuration information in Siemens PLC (Programmable Logic Controller).
6ES7952-1AK00-0AA0 is a backup storage card for the Siemens S7-300/400 series. This module can be used for backing up and restoring programs and data in S7-300/400 series PLCs.
6ES7952-0KH00-0AA0 is a Memory Card from the Siemens S7-1200 series. It provides additional memory space for storing user programs, data, and configuration information in Siemens PLC (Programmable Logic Controller).