{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA1933-2B","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA1933-2B","canonicalUrl":"https://aoctrl.com/siemens/3RA1933-2B","factsUrl":"https://aoctrl.com/api/mcp/products/3RA1933-2B","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA1933-2B wiring kit, 3-pole, for Y-D starter Size S2, phased-out with successor 3RA2933-2BB1.","salesMarkdown":"## Wiring kit for S2 wye-delta starter — phased-out with a direct successor The Siemens 3RA1933-2B is a SIRIUS wiring kit designed specifically for star-delta (wye-delta) starters using Size S2 contactors. It carries 3 poles and is the dedicated interconnect set for that starter configuration. ## Sourcing reality — quoted to order, successor available For new designs, the successor 3RA2933-2BB1 is the recommended path. Available through independent distribution channels — quantities and pricing confirmed at RFQ. For legacy installations needing the original 3RA1933-2B, sourcing is possible against the BOM line.","metaTitle":"Siemens 3RA1933-2B SIRIUS Wiring Kit, 3-Pole","metaDescription":"Siemens 3RA1933-2B SIRIUS wiring kit, 3-pole, for Size S2 wye-delta starter. Phased-out product with successor 3RA2933-2BB1. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"title":"3RA1933-2B","description":"Wiring kit electrical for star-delta (wye-delta) starter Size S2!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2933-2BB1<<","Number Of Poles":"3","lifecycle_stage":"current","Size Of Contactor":"S2","Product Brand Name":"SIRIUS","Product Designation":"Wiring kit","Design Of The Product":"for Y-D starter S2","Substance Prohibitance (Date)":"07/01/2006"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/20790ef2b31cce3bd85883ec805a6503.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=197877&mlfb=3RA1933-2B"},"ai":{"faq":[{"question":"What replaces the 3RA1933-2B?","answer":"The official successor is the Siemens SIRIUS 3RA2933-2BB1 wiring kit, also for Size S2 wye-delta starters. It is the direct drop-in replacement for the 3RA1933-2B."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA1933-2B","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/3RA1933-2B 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}}