{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1015-2HB42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1015-2HB42","canonicalUrl":"https://aoctrl.com/siemens/3RT1015-2HB42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1015-2HB42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS, power contactor, 3RT1015-2HB42, Size S00, 24 V DC coil, 10 A DC-1, spring-loaded terminals, 45 mm width.","salesMarkdown":"## Siemens SIRIUS 3RT1015-2HB42 — 24 V DC Power Contactor, Size S00 It carries a 24 V DC coil with a holding power of 2.3 W, and its spring-loaded terminals accept 2x (0.25... 2.5 mm²) solid or stranded wire — no ferrule crimping needed for the main circuit. Rated for AC-2 duty at 3 kW / 400 V, this contactor handles slip-ring motor switching where the load current stays below make/break stress. The spring-loaded terminals for the main current circuit accept 2x (0.25... 2.5 mm²) or 2x (24... 14 AWG) conductors; the control circuit uses the same terminal type. IP20 finger-safe protection on the front and terminals means the contactor can sit exposed inside an IP54 enclosure without additional shrouding. These values govern the short-circuit protection sizing in the panel design.","metaTitle":"Siemens 3RT1015-2HB42 SIRIUS Power Contactor, 24 V DC Coil,","metaDescription":"Siemens SIRIUS 3RT1015-2HB42 power contactor, Size S00, 24 V DC coil, 10 A DC switching, spring-loaded terminals, IP20, current lifecycle. Available to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Solid":"2x (0.25 ... 2.5 mm²)","Width":"45 mm","Height":"60 mm","Maximum":"2 000 m","At The Side":"6 mm","Rated Value":"24 V","On The Front":"IP20","Initial Value":"0.7","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Of The Terminal":"IP20","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Full-scale value":"1.25","Size of contactor":"S00","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","Instantaneous Contact":"0","Side-by-side mounting":"Yes","For Main Current Circuit":"spring-loaded terminals","Single Or Multi-Stranded":"2x (0,25 ... 2,5 mm²)","at AC-2 at 400 V rated value":"3 kW","at AC-4 at 400 V rated value":"6.5 A","Closing power of magnet coil at DC":"2.3 W","Holding power of magnet coil at DC":"2.3 W","Operating current at AC-12 maximum":"10 A","With Type Of Assignment 2 Required":"fuse gL/gG: 20 A","at AWG conductors for main contacts":"2x (24 ... 14)","With Type Of Coordination 1 Required":"fuse gL/gG: 35 A","Reference code acc. to DIN EN 81346-2":"Q","Number of NC contacts for main contacts":"0","Number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.25 ... 1.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (24 ... 14)","Contact reliability of auxiliary contacts":"1 faulty switching per 100 million (17 V, 1 mA)","For Auxiliary And Control Current Circuit":"spring-loaded terminals","at ambient temperature 40 °C rated value":"18 A","Finely Stranded Without Core End Processing":"2x (0.25 ... 2.5 mm²)","Type of voltage of the control supply voltage":"DC","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=144360&mlfb=3RT1015-2HB42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1015-2HB42/alternatives.json"},"ai":{"faq":[{"question":"How do I get pricing and availability for 3RT1015-2HB42?","answer":"Pricing and stock levels are confirmed at quote time. Submit an RFQ through this listing; the sourcing team returns current availability and a firm price for the quantity needed."},{"question":"Will 3RT1015-2HB42 drop into a panel specified around 3RT1015-1BB42 without rewiring?","answer":"Both are Size S00 SIRIUS contactors with the same 45 mm width and DIN-rail footprint, so the mechanical fit is identical. The key difference is the coil voltage: 3RT1015-2HB42 uses a 24 V DC coil, while 3RT1015-1BB42 uses a 24 V AC coil. If the panel supplies 24 V DC control power, the swap is direct; if the panel was wired for 24 V AC, the coil will not hold in and you must change the control supply or select the AC-coil variant."},{"question":"What is the depth of 3RT1015-2HB42?","answer":"The depth is 73 mm, measured from the DIN-rail mounting surface to the front of the contactor."},{"question":"What wire sizes do the spring-loaded terminals accept?","answer":"The spring-loaded terminals accept 2x (0.25... 2.5 mm²) solid or stranded conductors, or 2x (24... 14 AWG)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1015-2HB42","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/3RT1015-2HB42 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}}