{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1903-0AA00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1903-0AA00","canonicalUrl":"https://aoctrl.com/siemens/3RK1903-0AA00","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1903-0AA00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RK1903-0AA00 terminal module for power module PM-D, potential group infeed U1/U2, lifecycle stage current.","salesMarkdown":"## What it does in the panel It feeds the U1/U2 potential group to downstream SIRIUS 3RK3 safety relay and contactor expansion modules — think of it as the power distribution point for the 24 V DC sensor/actuator supply within a safety-related subsystem. Without it, the PM-D power module has no way to distribute its output to multiple load feeders.","metaTitle":"Siemens 3RK1903-0AA00 Terminal Module for PM-D, Current Life","metaDescription":"Siemens 3RK1903-0AA00 terminal module for power module PM-D, potential group infeed U1/U2. Lifecycle stage: 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)":"05/01/2012"}},"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=488432&mlfb=3RK1903-0AA00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1903-0AA00/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 3RK1903-0AA00 and get a price?","answer":"We source it to order against an RFQ. Submit a request and we'll confirm availability and current pricing at quote time — no stock count or price figure is published here."},{"question":"What compliance documentation does the 3RK1903-0AA00 carry?","answer":"The part has a substance prohibitance date of 05/01/2012, which aligns with RoHS Directive 2011/65/EU. For specific UL, IEC, or REACH declarations, the manufacturer's documentation should be consulted."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1903-0AA00","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/3RK1903-0AA00 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}}