{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2220-1GF24-0BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2220-1GF24-0BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2220-1GF24-0BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2220-1GF24-0BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2220-1GF24-0BB4 reversing starter, S0 size, 6.3 A AC-3 at 400 V, Class 10, 24 V DC coil, spring-loaded terminals, DIN rail or screw mount.","salesMarkdown":"## What this reversing starter delivers in a reversing duty panel The 3RA2220-1GF24-0BB4 is a SIRIUS reversing starter — a factory-assembled pair of contactors with mechanical and electrical interlocking, sized S0, that handles motor reversing without external interlocks or added panel wiring. The supplied contactor is a 3RT2024-2BB40, and the link module is 3RA2921-2AA00 — the assembly arrives as a single order code, saving the BOM line items and the panel-builder's interlock wiring time. Mounts on a 35 mm DIN rail via the included adapter, or screws directly to a backplate — the vertical mounting position is specified, so horizontal orientation would affect the overload relay's ambient compensation. The envelope is 90 mm wide by 269 mm tall by 130 mm deep, with 50 mm clearance required above and 10 mm below for airflow and wiring access — the S0 feeder size matches the standard S0 circuit-breaker footprint upstream. The 24 V DC coil suits modern PLC-driven panels where 24 V control is standard — the coil draw is consistent with the SIRIUS contactor range, so the power supply sizing follows the same rules as the 3RT2 series.","metaTitle":"Siemens 3RA2220-1GF24-0BB4 SIRIUS Reversing Starter","metaDescription":"Siemens 3RA2220-1GF24-0BB4 SIRIUS reversing starter, 6.3 A at 400 V AC-3, Class 10, S0 size, 24 V DC coil, spring terminals. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Starters"],"specifications":{"Depth":"130 mm","Width":"90 mm","Height":"269 mm","Trip Class":"CLASS 10","Product Status":"Active","Temp Operating Max":"60 °C","Temp Operating Min":"-20 °C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bcaee8bf23e8503ff55971eb14fd0264.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=214096&mlfb=3RA2220-1GF24-0BB4"},"ai":{"faq":[{"question":"What is the AC-3 current rating of 3RA2220-1GF24-0BB4 at 400 V?","answer":"6.3 A at 400 V AC-3 — this is the motor-switching current for reversing duty, not the thermal continuous current."},{"question":"What compliance documentation does Siemens provide for this part?","answer":"The SIRIUS 3RA2 series carries CE, UL, CSA, and CCC approvals as standard — specific declaration numbers are on the product certificate available from Siemens."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2220-1GF24-0BB4","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/3RA2220-1GF24-0BB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}