{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA1933-2A","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA1933-2A","canonicalUrl":"https://aoctrl.com/siemens/3RA1933-2A","factsUrl":"https://aoctrl.com/api/mcp/products/3RA1933-2A","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA1933-2A wiring kit, for reversing starter size S2, 3-pole, phased-out with successor 3RA2933-2AA1.","salesMarkdown":"## Phased-out — successor defined The 3RA1933-2A is a phased-out product from the Siemens SIRIUS range. The preferred successor is the 3RA2933-2AA1, which should be the first cross-reference checked for a BOM update or replacement order. ## Wiring kit for reversing starter S2 This wiring kit is designed specifically for the SIRIUS reversing starter in size S2. It provides both the electrical and mechanical wiring connections needed to assemble the reversing starter combination — a common configuration for two-direction motor control in conveyor, pump, and fan applications. The kit integrates with the S2 contactor and circuit-breaker frame sizes. It is a 3-pole assembly, matching the standard three-phase motor circuit. ## Sourcing and compliance The product carries a substance prohibition date of 07/01/2006, indicating RoHS compliance for the European market.","metaTitle":"Siemens 3RA1933-2A SIRIUS wiring kit","metaDescription":"Siemens 3RA1933-2A SIRIUS wiring kit for reversing starter size S2, 3-pole. Phased-out product; official successor 3RA2933-2AA1. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"title":"3RA1933-2A","description":"Wiring kit Electrical and mechanical for reversing starter, Size S2!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2933-2AA1<<","Number Of Poles":"3","lifecycle_stage":"current","Size Of Contactor":"S2","Product Brand Name":"SIRIUS","Product Designation":"Wiring kit","Design Of The Product":"for reversing starter S2","Size Of The Circuit-Breaker":"S2","Substance Prohibitance (Date)":"07/01/2006"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$34.29","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/a8e428a406854230a3f31303f2ce522b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=191453&mlfb=3RA1933-2A"},"ai":{"faq":[{"question":"What is the closest alternative to the 3RA1933-2A?","answer":"The preferred successor type is the 3RA2933-2AA1. This is the direct replacement from Siemens for the same reversing starter size S2 application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA1933-2A","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/3RA1933-2A 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}}