{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2115-1DA15-1BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2115-1DA15-1BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2115-1DA15-1BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2115-1DA15-1BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2115-1DA15-1BB4 non-fused motor starter, direct starter design, size S00, 24 V rated coil, Class 10 thermal bimetallic overload, AC-3 switching to 690 V, snap-on DIN rail or screw mount.","salesMarkdown":"## What this motor starter delivers in the panel The 3RA2115-1DA15-1BB4 is a SIRIUS non-fused direct starter combining a contactor and thermal-magnetic overload in one size S00 package — the same footprint as the individual 3RT2015 contactor plus the 3RA1921 link module, pre-assembled and tested as a single order code. The overload release is thermal bimetallic (Trip Class 10), meaning it allows standard motor inrush without nuisance tripping while protecting against sustained overloads — the magnetic short-circuit trip handles fault clearing independently. Mounting position is vertical only; the specified clearances are 20 mm upwards, 10 mm downwards, 9 mm at the side, and 0 mm forwards or backwards — so the unit can be packed tight against the back panel but needs breathing space above and below for thermal dissipation. ## Environmental and compliance scope Operating temperature range is -20 to +60 °C, storage -50 to +80 °C, transport -55 to +80 °C — the wide storage range supports unheated warehouses and container shipping without special handling. Degree of pollution 3 means the device is rated for industrial environments with conductive pollution or dry non-conductive pollution that becomes conductive due to condensation — standard for an uncoated motor starter in a ventilated panel.","metaTitle":"Siemens 3RA2115-1DA15-1BB4 SIRIUS Motor Starter, 24 V","metaDescription":"Siemens 3RA2115-1DA15-1BB4 SIRIUS non-fused motor starter, 24 V coil, Class 10 trip, size S00. AC-3 switching to 690 V. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"97.1 mm","Width":"45 mm","title":"3RA2115-1DA15-1BB4","Height":"167.2 mm","Upwards":"20 mm","Forwards":"0 mm","Backwards":"0 mm","Downwards":"10 mm","Trip Class":"CLASS 10","At The Side":"9 mm","Rated Value":"24 V","description":"Fuseless motor starter Direct start 600VAC Size S00 2.2-3.2A 24V DC screw connection For screw mounting Or 35 mm rail-mounting Type of coordination 2 IQ = 150 KA Also full fills type Of coordination 1 1NO+1NC (MSP) 1NO (contactor)","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-55 ... +80 °C","Fastening Method":"Snap-mounted to DIN rail or screw-mounted with additional push-in lug","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":"S00","at 230 V rated value":"0.25 hp","at 400 V rated value":"1 100 W","at 480 V rated value":"2.8 A","at 500 V rated value":"1 500 W","at 600 V rated value":"3.16 A","Design Of The Product":"direct starter","at 110/120 V rated value":"0.1 hp","at 200/208 V rated value":"0.5 hp","at 220/230 V rated value":"0.75 hp","at 460/480 V rated value":"1.5 hp","at 575/600 V rated value":"2 hp","Of The Supplied Contactor":"3RT2015-1BB41","Of The Supplied Link Module":"3RA1921-1DA00","Size Of The Circuit-Breaker":"S00","at AC-3 rated value maximum":"690 V","Design Of The Overload Release":"thermal (bimetallic)","Design Of The Switching Contact":"electromechanical","Operating Frequency Rated Value":"50 ... 60 Hz","Design Of The Short-Circuit Trip":"magnetic","Of The Supplied Circuit-Breakers":"3RV2011-1DA15","Product Extension Auxiliary Switch":"Yes","holding power of magnet coil at DC":"4 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":"1","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","at 500 V according to IEC 60947-4-1 rated value":"100 000 A","operational current at AC-3 at 400 V rated value":"2.7 A","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Mechanical Service Life (Operating Cycles) Of Contactor Typical":"30 000 000","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"41.6 A","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Type Of Connectable Conductor Cross-Sections For Main Contacts Stranded":"0.5 ... 4 mm², 2x (0.75 ... 2.5 mm²)","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"2.2 ... 3.2 A","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"0.5 ... 2.5 mm²"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":53,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0a08e7e091be6a5d0871d373822996d4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=232766&mlfb=3RA2115-1DA15-1BB4"},"ai":{"faq":[{"question":"What is the 3RA2115-1DA15-1BB4 rated for at 480 V?","answer":"At 480 V the unit is rated 2.8 A, which corresponds to 1.5 hp at 460/480 V. The AC-3 switching maximum is 690 V, so this starter comfortably covers 480 V motor circuits without voltage derating."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2115-1DA15-1BB4","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/3RA2115-1DA15-1BB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}