{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2220-1CD23-0BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2220-1CD23-0BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2220-1CD23-0BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2220-1CD23-0BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2 reversing motor starter, 3RA2220-1CD23-0BB4, S0 size, 750 W at 400 V, Class 10 trip, thermal bimetallic overload, 24 V coil, snap-on busbar mount.","salesMarkdown":"## Reversing starter for compact motor control The 3RA2220-1CD23-0BB4 is a SIRIUS non-fused reversing motor starter in Size S0, combining a 3RT2023 contactor with a thermal bimetallic overload relay in one package. It snaps onto 60 mm busbar systems (vertical mounting only), saving panel space over a contactor-plus-relay build with separate reversing interlock wiring. Rated 750 W at 400 V (0.17 hp at 230 V, 1.5 hp at 575/600 V), with a maximum AC-3 switching voltage of 690 V — covers most IEC and NEMA motor voltages in one SKU. ## Trip class and overload protection The bimetallic overload is field-adjustable and compensates for ambient temperature shifts across the -20 to +60 °C operating range, so the protection tracks the motor's actual thermal state rather than a fixed curve. ## What ships in the box The starter arrives with the contactor (3RT2023-1BB40), the link module (3RA2921-1BA00), and the busbar adapter (8US1251-5NT10) — three pre-assembled pieces that clip together without additional wiring of the reversing interlock. Wire the main power terminals (1 to 10 mm² stranded, or 2x 2.5 to 6 mm²) and the 24 V coil; the reversing logic is handled inside the link module. ## Panel fit and clearances Dimensions are 165 mm deep by 90 mm wide by 260 mm tall — the depth is the key constraint when mounting on a busbar inside a shallow enclosure. Minimum clearances: 30 mm above, 10 mm in front, 10 mm below, 9 mm at the sides, and 0 mm behind — the rear face sits flush against the busbar, so no extra back-of-panel space is needed.","metaTitle":"Siemens 3RA2220-1CD23-0BB4 SIRIUS Reversing Starter","metaDescription":"Siemens 3RA2220-1CD23-0BB4 SIRIUS reversing motor starter, 750 W at 400 V, Class 10, S0 size. Current production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"165 mm","Width":"90 mm","Height":"260 mm","Upwards":"30 mm","Forwards":"10 mm","Backwards":"0 mm","Downwards":"10 mm","Trip Class":"CLASS 10","At The Side":"9 mm","Rated Value":"24 V","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-55 ... +80 °C","Fastening Method":"for snapping onto 60 mm busbar systems","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":"0.17 hp","at 400 V rated value":"750 W","at 480 V rated value":"2.15 A","at 500 V rated value":"1 100 W","at 600 V rated value":"2.24 A","Design Of The Product":"reversing starter","at 200/208 V rated value":"0.5 hp","at 220/230 V rated value":"0.5 hp","at 460/480 V rated value":"1 hp","at 575/600 V rated value":"1.5 hp","Of The Supplied Contactor":"3RT2023-1BB40","For Main Contacts Stranded":"1 ... 10 mm², 2x (2.5 ... 6 mm²)","Of The Supplied Link Module":"3RA2921-1BA00","Size Of The Circuit-Breaker":"S00","at AC-3 rated value maximum":"690 V","Design Of The Overload Release":"thermal (bimetallic)","Of The Supplied Busbar Adapter":"8US1251-5NT10","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 RS assembly kit":"3RA2923-1DB1","Design Of The Short-Circuit Trip":"magnetic","Of The Supplied Circuit-Breakers":"3RV2011-1CA10","Product Extension Auxiliary Switch":"Yes","holding power of magnet coil at DC":"5.9 W","Surge Voltage Resistance Rated Value":"6 kV","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"2","shock resistance according to IEC 60068-2-27":"6g / 11 ms","at 400 V according to IEC 60947-4-1 rated value":"153 000 A","operational current at AC-3 at 400 V rated value":"1.9 A","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Mechanical Service Life (Switching Cycles) Of Contactor Typical":"10 000 000","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"32.5 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":"1.8 ... 2.5 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/6a29f2fc3dacfede161584411e3b6c3b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=403447&mlfb=3RA2220-1CD23-0BB4","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA2220-1CD23-0BB4/alternatives.json"},"ai":{"faq":[{"question":"What are the motor power ratings for the 3RA2220-1CD23-0BB4 at common voltages?","answer":"The maximum AC-3 switching voltage is 690 V."},{"question":"How do I get pricing and availability for the 3RA2220-1CD23-0BB4?","answer":"Submit an RFQ against your BOM quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2220-1CD23-0BB4","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/3RA2220-1CD23-0BB4 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}}