{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1901-3FA00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1901-3FA00","canonicalUrl":"https://aoctrl.com/siemens/3RK1901-3FA00","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1901-3FA00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RK1901-3FA00 AS-Interface support module, 54 mm wide, for load feeder module, busbar adapter 40+60 mm, without PE/neutral conductor connection.","salesMarkdown":"## 54 mm busbar-mount — the fit constraint for this AS-i slice The 3RK1901-3FA00 is a Siemens AS-Interface support module, 54 mm wide, designed to mount on a busbar with 40 mm or 60 mm centre-line spacing — it does not carry a PE or neutral conductor connection, so it sits upstream of the load feeder modules that handle the protective-earth and neutral terminations. ## Sourcing and compliance — what the record shows The 3RK1901-3FA00 carries no UL, CSA, CE, or marine approval markings in the available spec record — the buyer should confirm the required certification against the site's local code before committing the BOM line. The module is sourced through independent distribution; availability and current pricing are confirmed at RFQ time against the specific order quantity.","metaTitle":"Siemens 3RK1901-3FA00 AS-Interface Load Feeder Module, 54mm","metaDescription":"Siemens 3RK1901-3FA00 AS-Interface support module, 54 mm wide, for busbar 40/60 mm spacing. Current lifecycle stage. Quoted to order against BOM.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Width":"54mm","title":"3RK1901-3FA00","Version":"without PE and neutral conductor connection, for mounting on a busbar with 40 mm or 60 mm center-line spacing","description":"AS-Interface support 54 mm wide for load feeder module for busbar adapter 40+60 mm, PE conductor terminal","lifecycle_stage":"current","Design Of The Product":"Support for AS-Interface load feeder module"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"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=195738&mlfb=3RK1901-3FA00"},"ai":{"faq":[{"question":"What is 3RK1901-3FA00's listed width?","answer":"54 mm, and it is designed for mounting on a busbar with 40 mm or 60 mm centre-line spacing. The module does not include a PE or neutral conductor connection."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1901-3FA00","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/3RK1901-3FA00 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}