Brand: SIEMENS Model: 6 ES7952-1AL00-0 AA0 Storage Capacity: 8MB For Series: S7-400 Interface Type: Long Version Voltage Requirements: 3 V Size: Standard Size Weight: Lightweight Design Operating Temperature Range: -40 ° C to + 85 ° C Storage Temperature Range: -55 ° C to + 105 ° C The SIEMENS 6ES7952-1AL00-0 AA0 RAM memory card is specifically designed for the S7-400 series controllers and offers 8 MB of memory expansion to meet the high demand for data storage in industrial automation control systems.Its long version design ensures good compatibility with S7-400 series controllers. The memory card has stable and reliable working performance, and can maintain efficient data reading and writing operations in various harsh industrial environments. In addition, it also supports hot plug function, which is convenient for users to replace or upgrade memory without shutting down the system, greatly improving the maintenance efficiency of the system.As the world's leading provider of industrial automation solutions, SIEMENS has been widely recognized for its product quality and after-sales service. With this RAM memory card, you can expect excellent performance and a long life.