SIEMENS 6ES7952-1KL00-0AA0 Flash Memory Card 2MB – SIMATIC S7-400 Series
Imagine a critical production line halting mid-shift — not because of a mechanical failure, but because the PLC lost its program data after a power interruption. Without a reliable non-volatile memory card, every unplanned restart risks corrupting the user program, forcing engineers into emergency re-flashing procedures that cost hours of downtime and thousands in lost output. The SIEMENS 6ES7952-1KL00-0AA0 Flash Memory Card eliminates this vulnerability by providing persistent, shock-resistant program storage that retains data indefinitely without battery backup.
Within the SIMATIC S7-400 memory card family, the 6ES7952-1KL00-0AA0 occupies the entry-level 2MB capacity tier — purpose-built for applications where the user program and data blocks fit within a compact footprint. As part of Siemens’ globally deployed S7-400 platform, this card is trusted across process industries, automotive manufacturing, and energy infrastructure in over 100 countries, making it one of the most widely sourced spare parts in industrial automation procurement.
Technical Specifications
- Part Number: 6ES7952-1KL00-0AA0
- Memory Type: Flash EPROM (non-volatile)
- Capacity: 2 MB
- Compatible Platform: SIMATIC S7-400 CPU modules
- Form Factor: SIMATIC Memory Card (proprietary slot)
- Data Retention: Without battery backup (permanent flash storage)
- Weight: Approx. 40 g
- Manufacturer: Siemens AG, Germany
- Product Family: SIMATIC S7-400 Accessories
Note: All specifications are sourced from Siemens official documentation. We do not fabricate or estimate parameters.
Key Features & Benefits
- Battery-Free Retention: Flash EPROM technology stores user programs and data blocks permanently — no battery required, no data loss on power failure.
- Plug-and-Play Replacement: Direct slot-in replacement for S7-400 CPUs; no special tools or re-programming hardware needed for card swap.
- Shock & Vibration Resistant: Solid-state design withstands harsh industrial environments including vibration, dust, and temperature fluctuations.
- Genuine Siemens Quality: Manufactured to IEC/EN 61131-2 standards, ensuring full compatibility and long service life.
- Compact & Lightweight: Minimal footprint within the CPU module — no impact on panel space or thermal management.
- Fast Program Load: Enables rapid CPU restart and program restore, minimizing recovery time after maintenance or replacement.
Industry & Equipment Applications
- Process Manufacturing: Chemical plants, refineries, and pharmaceutical production lines using S7-400 for continuous process control.
- Automotive Assembly: Body-in-white welding lines, paint shop conveyors, and powertrain test benches.
- Power Generation & Utilities: Turbine control, substation automation, and water treatment SCADA systems.
- Steel & Metals: Rolling mill drives, furnace temperature control, and material handling systems.
- Oil & Gas: Offshore platform safety systems and pipeline SCADA controllers.
- Building Automation: Large-scale HVAC and energy management systems integrated with SIMATIC S7-400 controllers.
System Integration & Compatible Parts
The 6ES7952-1KL00-0AA0 is designed for use with SIMATIC S7-400 CPU modules. Commonly paired components include:
- SIMATIC S7-400 CPU modules (e.g., CPU 412, CPU 414, CPU 416, CPU 417 series)
- S7-400 Power Supply modules (PS 405, PS 407 series)
- S7-400 Interface modules (IM 460, IM 461 series) for multi-rack configurations
- STEP 7 / TIA Portal programming software for program download and card management
- Other S7-400 memory cards in the 6ES7952 series (4MB, 8MB, 16MB variants) for higher-capacity requirements
Contact our technical team to verify compatibility with your specific CPU firmware version before ordering.
Our Quality Assurance Process
- Source Verification: All units are sourced from authorized distributors or directly from Siemens-certified supply chains.
- Visual & Physical Inspection: Each card is inspected for label integrity, connector condition, and absence of physical damage before dispatch.
- Authenticity Check: Part numbers, date codes, and markings are cross-referenced against Siemens documentation to screen for counterfeits.
- Secure Packaging: Anti-static packaging with moisture barrier to protect flash memory during international shipping.
- Documentation: Certificate of conformity and packing list provided with every shipment upon request.
How to Order
- Submit your inquiry via the Contact Us form on Konmask.com with the part number 6ES7952-1KL00-0AA0 and required quantity.
- Our team will respond within 1 business day with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange secure payment and dispatch with full tracking.
- Export documentation (commercial invoice, packing list, COC) provided for international orders.
For urgent requirements, contact us directly at support@konmask.com or call +0086 19859288691.
Why Choose Konmask.com?
- B2B Industrial Focus: We serve MRO buyers, system integrators, and OEM procurement teams — not retail consumers.
- Global Sourcing Network: Access to genuine Siemens parts including obsolete and long-lead-time items.
- Technical Expertise: Our team includes experienced automation engineers who can advise on compatibility and alternatives.
- Competitive Pricing: Volume discounts available for project and blanket orders.
- Reliable Logistics: DHL, FedEx, and UPS express options with full export compliance support.
- After-Sales Support: Dedicated account management and post-delivery technical assistance.
Frequently Asked Questions
- Q: Is the 6ES7952-1KL00-0AA0 compatible with all S7-400 CPUs?
- A: It is compatible with the majority of SIMATIC S7-400 CPU modules. However, compatibility depends on the specific CPU type and firmware version. Please contact us with your CPU part number for confirmation.
- Q: Does this memory card require a battery to retain data?
- A: No. The 6ES7952-1KL00-0AA0 uses Flash EPROM technology, which retains data permanently without any battery backup.
- Q: Can I use this card to transfer programs between S7-400 CPUs?
- A: Yes. The memory card can be used to load programs into a replacement CPU, making it a standard tool for field maintenance and CPU swap procedures.
- Q: What is the difference between this card and higher-capacity variants?
- A: The 6ES7952-1KL00-0AA0 offers 2MB capacity. If your user program or data blocks exceed this size, you will need a higher-capacity card from the 6ES7952 series (e.g., 4MB or 8MB variants).
- Q: Do you provide a warranty or return policy?
- A: Yes. We offer a standard warranty on all genuine parts. Please refer to our Terms & Conditions page or contact us for details specific to your order.
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