The 6ES7138-4AA00-0AA0 reserve modules from Siemens are designed for the SIMATIC DP ET 200S system, providing reliable slot reservation for unused positions in your automation setup. Each module is 15 mm wide, ensuring secure and precise coverage of empty slots to maintain optimal system integrity. The 6ES7138-4AA00-0AA0 SKU is delivered in packaging units of five modules, making it convenient to manage multiple slot reservations within your production line. By using the Siemens 6ES7138-4AA00-0AA0 reserve modules, you ensure your production process remains organized and protected against dust or accidental contact in unused module slots. The 6ES7138-4AA00-0AA0 SKU is a practical choice for project managers and production leaders seeking to maintain operational efficiency and safety. Brand: Siemens – guarantees compatibility and consistent quality for your ET 200S system 5 modules per packaging unit for efficient slot management with 6ES7138-4AA00-0AA0 Each module is 15 mm wide, designed specifically for slot reservation in the SIMATIC DP ET 200S