Siemens 6ES7953-8LL20-0AA0 SIMATIC S7 Micro Memory Card (2 MB)
The Siemens 6ES7953-8LL20-0AA0 is a high-capacity Micro Memory Card (MMC) specifically engineered for the SIMATIC S7-300 and ET 200 PLC series. With a storage capacity of 2 MB, this non-volatile memory module is essential for managing larger user programs, complex configuration data, and extensive symbol tables. It provides the reliable, industrial-grade storage necessary for modern automation tasks where data retention and system stability are critical.
Technical Specifications & Compatibility
This original Siemens MMC is designed to handle the rigorous demands of industrial environments, ensuring that your CPU’s program logic remains secure under all conditions.
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Part Number: 6ES7953-8LL20-0AA0
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Capacity: 2 MB
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Type: Micro Memory Card (MMC)
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Compatibility: Designed for SIMATIC S7-300 and ET 200 distributed I/O systems.
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Data Retention: High-performance flash technology with long-term data security.
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Function: Required for CPU operation and firmware management in compatible S7 systems.
Key Benefits for Industrial Maintenance
Using the 6ES7953-8LL20-0AA0 ensures that your automation system operates without interruption. Its 2 MB capacity is ideal for mid-to-large scale projects that require more space for data blocks and documentation directly on the PLC.
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Zero-Battery Operation: Enables S7-300 CPUs to operate without a backup battery, storing the program permanently on the card.
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Rapid Replacement: Facilitates the «Plug & Play» replacement of CPUs; simply move the MMC to the new hardware to restore the program.
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Industrial Durability: Built to resist high temperatures, vibrations, and electromagnetic noise common in control cabinets.
Professional Commercial Support for Your Procurement
We specialize in the supply of genuine Siemens components, offering a professional partnership for your industrial sourcing needs.
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Guaranteed Authenticity: We only supply 100% original Siemens 6ES7953-8LL20-0AA0 memory modules.
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Commercial Assistance: Our team provides expert advice to ensure you select the correct memory capacity for your specific CPU model.
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Global Express Shipping: We manage fast, international logistics to ensure your spare parts arrive exactly when your facility needs them.
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Stock Availability: We maintain a ready-to-ship inventory to support urgent maintenance and project deadlines.
