{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1903-2AA00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1903-2AA00","canonicalUrl":"https://aoctrl.com/siemens/3RK1903-2AA00","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1903-2AA00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS TB PEN for ET 200S, terminal block for starter with connection for supply line and load, IP20 finger-safe front, 3RK1903-2AA00.","salesMarkdown":"The Siemens 3RK1903-2AA00 is a TB PEN terminal block purpose-built for the ET 200S distributed I/O system. It provides the PEN (protective earth neutral) connection for a starter, with dedicated terminals for the supply line and load, and mounts on the left side of the starter assembly. This is typical for a dry, enclosed panel environment.","metaTitle":"Siemens 3RK1903-2AA00 TB PEN for ET 200S, IP20","metaDescription":"Siemens 3RK1903-2AA00 TB PEN terminal block for ET 200S starter. IP20 finger-safe front. Lifecycle: current. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"lifecycle_stage":"current","Substance Prohibitance (Date)":"01.05.2012","touch protection on the front acc. to IEC 60529":"finger-safe","protection class IP on the front acc. to IEC 60529":"IP20"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2506c84bc50fd54eb200b0e325c9c833.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=40408&mlfb=3RK1903-2AA00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1903-2AA00/alternatives.json"},"ai":{"faq":[{"question":"What is the substance prohibitance date for this part?","answer":"The substance prohibitance date is 01.05.2012, which indicates RoHS compliance for that effective date."},{"question":"What is the IP rating and touch protection?","answer":"The front protection class is IP20 per IEC 60529, and the front is finger-safe. This means it is suitable for installation in a dry, enclosed panel where no water ingress is expected."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1903-2AA00","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/3RK1903-2AA00 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}