{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7388-4BN00-0AC0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7388-4BN00-0AC0","canonicalUrl":"https://aoctrl.com/siemens/6ES7388-4BN00-0AC0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7388-4BN00-0AC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 6ES7388-4BN00-0AC0 CPU388-4 Zentralbaugruppe, CPU & Control Circuit Board, 0.29 kg, EOL Hot lifecycle stage.","salesMarkdown":"## Lifecycle reality for a critical spare The 6ES7388-4BN00-0AC0: This CPU388-4 Zentralbaugruppe is a central processing unit for Siemens S7-300 rack-based control systems, commonly deployed in legacy automation lines where a spare in the cabinet means the difference between a planned swap and an unplanned outage. ## What the EOL Hot stage means for your BOM For a CPU module that backs up a running S7-300 line, the procurement decision is straightforward: buy the spare now if the line must stay running, because once the surplus dries up, the only option is a system migration to a current-generation platform.","metaTitle":"Siemens 6ES7388-4BN00-0AC0 CPU388-4, EOL Hot, 0.29 kg","metaDescription":"Siemens 6ES7388-4BN00-0AC0 CPU388-4 Zentralbaugruppe, end-of-life (hot stage). Sourced to order against RFQ through independent distribution. 0.29 kg.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"Part #":"6ES7388-4BN00-0AC0","Weight":"0.29 kgs","Category":"Control Devices","Sub Category":"CPU & Control Circuit Boards","Top Category":"Automation and Control Systems","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,294.10","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=381815&mlfb=6ES7388-4BN00-0AC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7388-4BN00-0AC0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7388-4BN00-0AC0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7388-4BN00-0AC0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:21:01.794Z","lastPublished":"2026-09-02T08:21:01.794Z","indexable":true}}