{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA1120-4BD26-0AP0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA1120-4BD26-0AP0","canonicalUrl":"https://aoctrl.com/siemens/3RA1120-4BD26-0AP0","factsUrl":"https://aoctrl.com/api/mcp/products/3RA1120-4BD26-0AP0","rawCanonicalId":null},"summary":{"shortDescription":"Load feeder fuseless direct-on-line starting, 400 V AC Size S0 14-20 A, 230 V AC, 50 Hz Screw terminal on 60 mm busbar adapter Type of coordination 2, Iq = 50 kA (also fulfills type of coordination 1)!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2120-4BD26-0AP0<<","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"148 mm","Solid":"1 ... 6 mm², 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","Width":"45 mm","Height":"183 mm","Maximum":"2 000 m","Upwards":"30 mm","Forwards":"10 mm","Stranded":"1 ... 6 mm²","Backwards":"9 mm","Downwards":"0 mm","At The Side":"30 mm","Rated Value":"690 V","On The Front":"IP20","1 Rated Value":"50 Hz","Mounting type":"for snapping onto 60 mm busbar systems","lifecycle_stage":"current","Auxiliary switch":"Yes","Shock resistance":"12.5g","For Main Contacts":"14 ... 10","Mounting position":"with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back","PROFINET protocol":"No","Product brand name":"SIRIUS","Type of assignment":"2","Degree of pollution":"3","Product designation":"non-fused load feeder","Size of load feeder":"S0","Of Contactor Typical":"10 000 000","PROFIBUS DP protocol":"No","at 400 V rated value":"50 kA","at 50 Hz rated value":"230 V","AS-Interface protocol":"No","Design of the product":"direct starter","For Auxiliary Contacts":"0","For Main Current Circuit":"screw-type terminals","Number of digital inputs":"0","Single Or Multi-Stranded":"1 ... 6 mm²","Of The Supplied Contactor":"3RT1026-1AP00","No-load switching frequency":"15 1/s","Of The Supplied Link Module":"3RA1921-1AA00","at AC-3 rated value maximum":"400 V","Type of the motor protection":"bimetal","Of The Supplied Busbar Adapter":"8US1251-5DM07","Busbar center-to-center spacing":"60 mm","Design of the switching contact":"electromechanical","Of The Supplied Circuit-Breakers":"3RV1021-4BA10","Design of short-circuit protection":"circuit-breakers","Product function Bus communication":"No","at AWG conductors for main contacts":"2x (14 ... 10)","Surge voltage resistance rated value":"6 kV","Reference code acc. to DIN EN 61346-2":"Q","Reference code acc. to DIN EN 81346-2":"Q","Finely Stranded With Core End Processing":"1 ... 6 mm²","Number of poles for main current circuit":"3","Product function Short circuit protection":"Yes","Number of NC contacts for auxiliary contacts":"0","Number of NO contacts for auxiliary contacts":"0","Type of voltage of the control supply voltage":"AC","Adjustable pick-up value current of the current-dependent overload release":"14 ... 20 A"}},"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=380330&mlfb=3RA1120-4BD26-0AP0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA1120-4BD26-0AP0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA1120-4BD26-0AP0","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/3RA1120-4BD26-0AP0 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}}