{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1901-3EA00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1901-3EA00","canonicalUrl":"https://aoctrl.com/siemens/3RK1901-3EA00","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1901-3EA00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RK1901-3EA00 AS-Interface support module, 45 mm width, without PE and neutral conductor connection, for busbar mounting with 40 mm or 60 mm center-line spacing.","salesMarkdown":"## Busbar fit and panel integration The 3RK1901-3EA00 is a 45 mm wide AS-Interface support module designed to mount on a busbar with either 40 mm or 60 mm center-line spacing — the two common DIN-rail pitches in European and North American panels. It supports an AS-Interface load feeder module without providing its own PE or neutral conductor connection; the feeder module handles the power distribution, and this support module provides the mechanical and bus interface.","metaTitle":"Siemens 3RK1901-3EA00 AS-Interface Support Module, 45mm","metaDescription":"Siemens 3RK1901-3EA00 AS-Interface support module, 45mm wide, for load feeder on 40/60mm busbar. Current lifecycle. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Width":"45mm","title":"3RK1901-3EA00","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 45 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=285236&mlfb=3RK1901-3EA00"},"ai":{"faq":[{"question":"What busbar spacing does 3RK1901-3EA00 fit?","answer":"It mounts on a busbar with either 40 mm or 60 mm center-line spacing — the two standard pitches used in Siemens AS-Interface panels."},{"question":"Does 3RK1901-3EA00 include PE and neutral conductor connections?","answer":"No, this version is without PE and neutral conductor connection. It is a support module for the load feeder; the feeder module itself handles the power and protective conductor terminations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1901-3EA00","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/3RK1901-3EA00 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}}