{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2120-1FE24-0BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2120-1FE24-0BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2120-1FE24-0BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2120-1FE24-0BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2120-1FE24-0BB4 direct-on-line motor starter, Size S0, 5 A at 400 V AC-3, 24 V DC coil, Class 10, spring-loaded terminals, screw and snap-on 35 mm DIN rail mounting.","salesMarkdown":"## What this SIRIUS starter delivers The 3RA2120-1FE24-0BB4: The 24 V DC coil (rated value 24... 24 V) interfaces directly with standard PLC outputs without an interposing relay. Main circuit connections use spring-loaded terminals (tool-less push-in for solid or ferruled stranded wire), reducing wiring time on the line. Clearance spacings: 50 mm upwards, 20 mm forwards, 20 mm at the side, 10 mm downwards — plan the enclosure layout accordingly for heat dissipation and access. No stock-holding claim — the spread is the business, and we match the supplier that ships clean every time.","metaTitle":"Siemens 3RA2120-1FE24-0BB4 SIRIUS Motor Starter, 5 A AC-3","metaDescription":"Siemens 3RA2120-1FE24-0BB4 SIRIUS direct-on-line starter, Size S0, 5 A at 400 V AC-3, 24 V DC coil, Class 10, spring terminals, DIN rail.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Starters"],"specifications":{"Depth":"107 mm","Width":"45 mm","Height":"243 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/cedde336d96a5c89908ec3ed5e092406.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=530492&mlfb=3RA2120-1FE24-0BB4"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2120-1FE24-0BB4","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/3RA2120-1FE24-0BB4 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}}