{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1015-1BB42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1015-1BB42","canonicalUrl":"https://aoctrl.com/siemens/3RT1015-1BB42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1015-1BB42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1015-1BB42 power contactor, Size S00, 24 V DC, screw terminals, IP20 front, 72 mm deep.","salesMarkdown":"Mechanical life of 30 million operations means it handles high-cycle applications. ## Key ratings for real motor applications Coil power draw is steady at 3.3 W both closing and holding, so no intrusive inrush to the 24 V DC supply. Occupies 45 mm width, 57.5 mm height, 72 mm depth. Side-by-side mounting allowed — no derating gap needed. Main circuit terminals accept 2x (0.5...1.5 mm²), 2x (0.75...2.5 mm²), max 2x (0.75...4 mm²) or 1x 12 AWG. Same range for auxiliary contacts. IP20 on front and terminals.","metaTitle":"Siemens 3RT1015-1BB42 SIRIUS Power Contactor, 24 V DC, S00","metaDescription":"Siemens 3RT1015-1BB42 SIRIUS power contactor, size S00, 24 V DC coil, screw terminals. AC-2 3 kW at 400 V AC, 30 million mechanical cycles. Current production, quote to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"72 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"45 mm","Height":"57.5 mm","Rated Value":"24 V","On The Front":"IP20","Initial Value":"0.85","Of The Terminal":"IP20","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Full-Scale Value":"1.1","Size Of Contactor":"S00","Solid Or Stranded":"2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)","Product Brand Name":"SIRIUS","Degree Of Pollution":"3","Product Designation":"power contactor","at 24 V rated value":"10 A","at 60 V rated value":"2 A","Of Contactor Typical":"30 000 000","at 110 V rated value":"1 A","at 220 V rated value":"0.3 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 500 V rated value":"3.5 kW","at 690 V rated value":"4 kW","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-2 at 400 V rated value":"3 kW","at AC-4 at 400 V rated value":"6.5 A","Substance Prohibitance (Date)":"01.07.2006 00:00:00","at AWG cables for main contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","For Auxiliary And Control Circuit":"screw-type terminals","With Type Of Assignment 2 Required":"fuse gL/gG: 20 A","closing power of magnet coil at DC":"3.3 W","holding power of magnet coil at DC":"3.3 W","reference code acc. to IEC 81346-2":"Q","With Type Of Coordination 1 Required":"fuse gL/gG: 35 A","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","operational current at AC-12 maximum":"10 A","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Type Of Voltage Of The Control Supply Voltage":"DC","Required Spacing For Grounded Parts At The Side":"6 mm","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","number of NC contacts for auxiliary contacts instantaneous contact":"1","number of NO contacts for auxiliary contacts instantaneous contact":"0","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$25.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=36070&mlfb=3RT1015-1BB42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1015-1BB42/alternatives.json"},"ai":{"faq":[{"question":"What is the depth of 3RT1015-1BB42 on the DIN rail?","answer":"72 mm deep, with 45 mm width and 57.5 mm height."},{"question":"What solid and stranded wire sizes does 3RT1015-1BB42 accept for main terminals?","answer":"Main screw terminals accept 2x (0.5…1.5 mm²), 2x (0.75…2.5 mm²), max 2x (0.75…4 mm²) or 1x 12 AWG."},{"question":"Will 3RT1015-1BB42 drop into a panel designed around 3RT2028-1BB40?","answer":"No — the 3RT2028 is a larger frame with different mounting hole pattern and terminal spread. You cannot physically swap them without replacing the entire contactor assembly and retermination."},{"question":"What compliance documentation is available for 3RT1015-1BB42?","answer":"RoHS compliance is indicated with a substance prohibitance date of 2006-07-01. Pollution degree 3 per IEC. Further certs (UL, CSA, CCC) not listed in this datasheet extract."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1015-1BB42","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/3RT1015-1BB42 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}}