{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA1435-8XC21-1BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA1435-8XC21-1BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA1435-8XC21-1BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA1435-8XC21-1BB4","rawCanonicalId":null},"summary":{"shortDescription":"Contactor assembly Star-delta (wye-delta) (pre-assembled) with lateral timing relay AC-3, 37 kW/400 V, 3-pole Size S2, S2, S2 Electrically interlocked Screw terminal 24 V DC!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2435-8XF32-1NB3<<","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"184 mm","Width":"198 mm","Height":"140 mm","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","At The Side":"0 mm","Initial Value":"0.8","During Storage":"-55 ... +80 °C","Leading Contact":"0","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","During Transport":"-55 ... +80 °C","Fastening Method":"screw fixing","Full-Scale Value":"1.1","Product Function":"wye-delta-contactor","Mounting Position":"with vertical mounting surface +/-180° rotatable, with vertical mounting surface +/- 30° tiltable to the front and back","Size Of Contactor":"S2, S2, S2","at DC rated value":"24 V","Product Brand Name":"SIRIUS","Degree Of Pollution":"3","Product Designation":"contactor assembly","at 400 V rated value":"37 kW","at 500 V rated value":"51 kW","at 690 V rated value":"63 kW","Instantaneous Contact":"4","at AC-3 at 400 V rated value":"80 A","Substance Prohibitance (Date)":"05/01/2012","Design Of The Surge Suppressor":"without","For Grounded Parts At The Side":"0 mm","protection class IP on the front":"IP20","Product Extension Auxiliary Switch":"Yes","With Type Of Assignment 2 Required":"fuse gL/gG: 63 A","With Type Of Coordination 1 Required":"fuse gL/gG: 125 A","With Side-By-Side Mounting At The Side":"0 mm","number of NC contacts for main contacts":"0","reference code according to IEC 81346-2":"Q","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Type Of Voltage Of The Control Supply Voltage":"DC","operating voltage at AC-3 rated value maximum":"690 V","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","number of NC contacts for auxiliary contacts lagging switching":"0","insulation voltage with degree of pollution 3 at AC rated value":"690 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=364430&mlfb=3RA1435-8XC21-1BB4","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA1435-8XC21-1BB4/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA1435-8XC21-1BB4","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/3RA1435-8XC21-1BB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}