{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2225-4EB27-0AP6","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2225-4EB27-0AP6","canonicalUrl":"https://aoctrl.com/siemens/3RA2225-4EB27-0AP6","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2225-4EB27-0AP6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2225-4EB27-0AP6 non-fused reversing motor starter, size S0, 15 kW at 400 V AC-3, Class 10 thermal overload, snap-on 35 mm DIN rail.","salesMarkdown":"## Reversing starter for motor control panels The Siemens 3RA2225-4EB27-0AP6 is a non-fused reversing motor starter from the SIRIUS family, size S0, designed for forward/reverse control of three-phase motors in industrial panels. It snaps onto a 35 mm standard DIN rail and mounts vertically, with a depth of 120 mm, width 90 mm, and height 265 mm — the S0 footprint fits standard motor starter enclosures. The supplied contactor is a 3RT2027-1AP60, and the link module is 3RA2921-1AA00, so the starter arrives as a matched assembly. ## Class 10 thermal overload — what it means for motor protection This is the standard for general-purpose motor starting — it allows the inrush to pass during acceleration but protects the motor if the rotor stalls or the load jams. The ambient compensation range is -20 to +60 °C during operation, with storage from -50 to +80 °C. Pollution degree 3 (industrial environment) and a rated insulation voltage of 690 V mean the starter is suited for panels where conductive dust or condensation is present — no additional derating needed for standard motor control centres. ## Active production — sourcing and lifecycle The supplied contactor (3RT2027-1AP60) and link module (3RA2921-1AA00) are also current-production items, so replacement units and spare parts remain available through standard supply routes.","metaTitle":"Siemens 3RA2225-4EB27-0AP6 SIRIUS Reversing Starter","metaDescription":"Siemens SIRIUS 3RA2225-4EB27-0AP6 non-fused reversing motor starter, size S0, 15 kW at 400 V AC-3, Class 10 thermal overload.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"120 mm","Width":"90 mm","Height":"265 mm","Upwards":"30 mm","Forwards":"10 mm","Backwards":"0 mm","Downwards":"10 mm","Trip Class":"CLASS 10","At The Side":"9 mm","Rated Value":"690 V","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-55 ... +80 °C","Fastening Method":"snap-on fastening on 35 mm standard rail","Mounting Position":"vertical","Product Brand Name":"SIRIUS","Type Of Assignment":"2","Degree Of Pollution":"3","Product Designation":"non-fused motor starter 3RA2","Size Of Load Feeder":"S0","at 230 V rated value":"5 hp","at 400 V rated value":"15 000 W","at 480 V rated value":"27 A","at 50 Hz rated value":"176 ... 242 V","at 500 V rated value":"18 500 W","at 60 Hz rated value":"192 ... 264 V","at 600 V rated value":"27 A","Design Of The Product":"reversing starter","at 200/208 V rated value":"10 hp","at 220/230 V rated value":"10 hp","at 460/480 V rated value":"20 hp","at 575/600 V rated value":"25 hp","Of The Supplied Contactor":"3RT2027-1AP60","For Main Contacts Stranded":"1 ... 10 mm², 2x (2.5 ... 6 mm²)","Of The Supplied Link Module":"3RA2921-1AA00","Size Of The Circuit-Breaker":"S0","at AC-3 rated value maximum":"690 V","Substance Prohibitance (Date)":"03/01/2017","Design Of The Overload Release":"thermal (bimetallic)","Of The Supplied Busbar Adapter":"3RA2922-1AA00","Design Of The Switching Contact":"electromechanical","Operating Frequency Rated Value":"50 ... 60 Hz","at AWG cables for main contacts":"2x (16 ... 12), 2x (14 ... 8)","of the supplied RH assembly kit":"3RA2923-1BB1","Design Of The Short-Circuit Trip":"magnetic","Of The Supplied Circuit-Breakers":"3RV2021-4EA15","Product Extension Auxiliary Switch":"Yes","Surge Voltage Resistance Rated Value":"6 kV","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","apparent holding power of magnet coil at AC":"9.4 VA","number of NC contacts for auxiliary contacts":"3","number of NO contacts for auxiliary contacts":"3","shock resistance according to IEC 60068-2-27":"6g / 11 ms","Of The Supplied Standard Mounting Rail Adapter":"3RA2922-1AA00","at 400 V according to IEC 60947-4-1 rated value":"153 000 A","at 500 V according to IEC 60947-4-1 rated value":"100 000 A","operational current at AC-3 at 400 V rated value":"29 A","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Inductive Power Factor With The Holding Power Of The Coil":"0.28","Mechanical Service Life (Switching Cycles) Of Contactor Typical":"10 000 000","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"416 A","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"27 ... 32 A","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"1 ... 6 mm²"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5948cc7c5e9adaad3ba0ff83758deb47.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=312935&mlfb=3RA2225-4EB27-0AP6","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA2225-4EB27-0AP6/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for 3RA2225-4EB27-0AP6?","answer":"It mounts on 35 mm DIN rail and fits the S0 feeder size."},{"question":"How can I order or get a quote for 3RA2225-4EB27-0AP6?","answer":"Submit an RFQ for current pricing and availability."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2225-4EB27-0AP6","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/3RA2225-4EB27-0AP6 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}}