Product Description
Siemens 6ES7 953-8LJ31-0AA0 SIMATIC Micro Memory Card
The Siemens 6ES7 953-8LJ31-0AA0 is a reliable 512 KB Micro Memory Card (MMC) specifically engineered for the SIMATIC S7-300 series of programmable logic controllers. This essential component serves as the load memory for the CPU, securely storing the user program, hardware configuration, and relevant data blocks. It enables easy program transfer, system backups, and firmware updates without requiring a programming device. As a genuine Siemens product, it guarantees optimal compatibility and performance, ensuring the integrity and smooth operation of your automation system within a demanding industrial environment.
Technical Specifications:
- Model Number: 6ES7 953-8LJ31-0AA0
- Product Type: SIMATIC Micro Memory Card (MMC)
- Memory Capacity: 512 Kbytes
- Compatibility: Designed for SIMATIC S7-300 CPUs
- Operating Ambient Temperature: 0 °C to +60 °C

Siemens 6ES7 953-8LJ31-0AA0 SIMATIC Micro Memory Card
Shop the genuine Siemens 6ES7 953-8LJ31-0AA0, a 512 KB SIMATIC S7 Micro Memory Card. This MMC is essential for storing programs and data on S7-300 series PLCs, ensuring reliable performance and system backup.







