{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1946-7A","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1946-7A","canonicalUrl":"https://aoctrl.com/siemens/3RT1946-7A","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1946-7A","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1946-7A arc chute, 3-pole, Size S3, phased-out product, successor is SIRIUS 3RT2.","salesMarkdown":"The Siemens 3RT1946-7A is an arc chute for 3-pole contactors, sized for the S3 frame. It's a phased-out product; the official successor is the SIRIUS 3RT2 series. For new designs or BOM replacements, the successor SIRIUS 3RT2 arc chute is the direct swap. This arc chute mounts onto S3-frame contactors in the SIRIUS 3RT1 family. It's a replacement part for existing installations — not a new-design component.","metaTitle":"Siemens 3RT1946-7A arc chute, S3, phased out, successor 3RT2","metaDescription":"Siemens 3RT1946-7A arc chute, 3-pole, Size S3. Phased-out product; successor is SIRIUS 3RT2. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"lifecycle_stage":"current","Datum: 03.03.2021":"Änderungen vorbehalten © Copyright Siemens 2021"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=101750&mlfb=3RT1946-7A","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1946-7A/alternatives.json"},"ai":{"faq":[{"question":"What replaces the 3RT1946-7A?","answer":"The official successor is the SIRIUS 3RT2 arc chute. It's the direct replacement for the S3 frame."},{"question":"What is the lifecycle status of the 3RT1946-7A?","answer":"The lifecycle stage is listed as current, but the part is explicitly marked as phased-out in the product description. The successor is the SIRIUS 3RT2 series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1946-7A","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/3RT1946-7A 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}}