{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2220-1BD23-0BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2220-1BD23-0BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2220-1BD23-0BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2220-1BD23-0BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2220-1BD23-0BB4 non-fused reversing motor starter, size S0, 750 W at 400 V AC-3, Class 10 trip class, 24 V DC coil, thermal bimetallic overload relay, snap-on 60 mm busbar mounting.","salesMarkdown":"## SIRIUS reversing starter, S0 frame, 750 W at 400 V The Siemens 3RA2220-1BD23-0BB4 is a SIRIUS non-fused reversing motor starter in size S0 — a single assembly that combines a reversing contactor pair, a thermal bimetallic overload relay, and the interlock wiring into one package. The 24 V DC coil means it integrates directly into 24 VDC control circuits common in PLC-based panels — no additional transformer or AC-to-DC conversion needed at the starter itself. ## Mounting and panel fit — snaps onto 60 mm busbar Fastening method is for snapping onto 60 mm busbar systems — no DIN rail required if the busbar is present, which saves rail space and speeds assembly. Mounting position is vertical. Dimensions: 165 mm depth, 90 mm width, 260 mm height. Clearance requirements: 30 mm upwards, 10 mm forwards, 10 mm downwards, 9 mm at the side, zero backwards. These add up to a compact footprint for a reversing starter — the backwards zero clearance is convenient for panel wiring access against a backplate. ## Supplied subassemblies — what's in the box The unit ships with the contactor (3RT2023-1BB40), the link module (3RA2921-1BA00), and the busbar adapter (8US1251-5NT10) already integrated. Main contact wire range: 1 to 10 mm² stranded, or 2x (2.5 to 6 mm²); AWG equivalent 2x (16 to 12) or 2x (14 to 8).","metaTitle":"Siemens 3RA2220-1BD23-0BB4 SIRIUS motor starter, reversing","metaDescription":"Siemens 3RA2220-1BD23-0BB4 SIRIUS non-fused reversing motor starter, size S0, 750 W at 400 V AC-3, Class 10 thermal overload, 24 V coil.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"165 mm","Width":"90 mm","title":"3RA2220-1BD23-0BB4","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","description":"Fuseless motor starter Reversing operation 600VAC Size S0 1.4-2A 24V DC screw connection For snapping onto 60 mm busbar systems Type of coordination 2 IQ = 150 KA Also full fills type Of coordination 1 1NO+1NC (per contactor)","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":"0.13 hp","at 400 V rated value":"750 W","at 480 V rated value":"1.63 A","at 500 V rated value":"750 W","at 600 V rated value":"1.72 A","at 690 V rated value":"1 100 W","Design Of The Product":"reversing starter","at 460/480 V rated value":"0.75 hp","at 575/600 V rated value":"1 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":"3RV2011-1BA10","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":"26 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":"1.4 ... 2 A","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"1 ... 6 mm²"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/41f7da53ac7a2a783a7bf0c170863ed5.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=468951&mlfb=3RA2220-1BD23-0BB4"},"ai":{"faq":[{"question":"What is the motor rating for 3RA2220-1BD23-0BB4 at 400 V?","answer":"At 400 V AC-3 duty the motor starter is rated 750 W. The maximum AC-3 operating voltage is 690 V."},{"question":"What clearance is needed around 3RA2220-1BD23-0BB4 in the panel?","answer":"Minimum clearance: 30 mm upwards, 10 mm forwards, 10 mm downwards, 9 mm at the side, and zero backwards. The backwards zero clearance lets you mount it flush against a backplate or busbar without extra air gap."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2220-1BD23-0BB4","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/3RA2220-1BD23-0BB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}