{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2015-2WB42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2015-2WB42","canonicalUrl":"https://aoctrl.com/siemens/3RT2015-2WB42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2015-2WB42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS coupling contactor, 3RT2015-2WB42, Size S00, 24 VDC coil, 10 A rated current at 24 V, spring-type terminals, screw and snap-on mounting on 35 mm DIN rail.","salesMarkdown":"The Siemens 3RT2015-2WB42 is a SIRIUS coupling contactor in the compact Size S00 frame, designed to switch loads on a 24 VDC coil. It's built for control-panel duty — screws or snaps onto a 35 mm DIN rail per DIN EN 60715, and the mounting position is flexible: you can rotate it ±180° on a vertical surface or tilt it ±22.5° forward or back. The coil pulls in at 85% of rated voltage (20.4 VDC) and holds steady across a -25 to +60 °C operating range — fine for most industrial enclosures, though you'll want to keep it out of direct heat plumes. The main contacts are rated for 10 A at 24 V, 3 A at 400 V, and the AC-1 resistive load curve goes to 20 A across the 20–12 AWG range. For motor switching, the AC-3 duty cycle tops out at 750 operations per hour — enough for a conveyor or pump start, but not for frequent jogging. The AC-4 rating drops to 250 ops/hour, which tells you this contactor isn't built for heavy inching or plugging. Clearance around the contactor matters: allow 10 mm above and below, 6 mm to the side, and 10 mm forward for arc dissipation and airflow. Depth is 121 mm, width 45 mm, height 70 mm — it tucks into a tight DIN-rail row.","metaTitle":"Siemens 3RT2015-2WB42 SIRIUS Contactor, 24 VDC Coil, 10 A, S","metaDescription":"Siemens SIRIUS 3RT2015-2WB42 coupling contactor, 24 VDC coil, 10 A rated current at 24 V, Size S00, spring terminals. Current production. Available to order. Request RFQ for pricin","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"121 mm","Solid":"0.5 ... 4 mm²","Width":"45 mm","at DC":"5 ... 20 ms","Height":"70 mm","Upwards":"10 mm","Forwards":"10 mm","Stranded":"0.5 ... 4 mm²","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"6 mm","Rated Value":"24 V","Initial Value":"0.85","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Spring-type terminals","at AC-1 maximum":"1 000 1/h","at AC-2 maximum":"750 1/h","at AC-3 maximum":"750 1/h","at AC-4 maximum":"250 1/h","lifecycle_stage":"current","Auxiliary Switch":"No","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715","Full-Scale Value":"1.85","at AC-3e maximum":"750 1/h","For Main Contacts":"20 ... 12","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","Size Of Contactor":"S00","Solid Or Stranded":"2x (0,5 ... 4 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Coupling contactor","at 24 V rated value":"10 A","at 48 V rated value":"2 A","at 60 V rated value":"2 A","Of Contactor Typical":"30 000 000","at 110 V rated value":"1 A","at 125 V rated value":"0.9 A","at 220 V rated value":"0.3 A","at 230 V rated value":"0.75 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.14 A","at 480 V rated value":"4.8 A","at 500 V rated value":"2 A","at 600 V rated value":"6.1 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 12","For Main Current Circuit":"spring-loaded terminals","at 110/120 V rated value":"0.25 hp","at 200/208 V rated value":"1.5 hp","at 220/230 V rated value":"2 hp","at 460/480 V rated value":"3 hp","at 575/600 V rated value":"5 hp","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"6 kV","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"0.6 W","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"6.5 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2009","Design Of The Surge Suppressor":"with varistor","Of Auxiliary Circuit Rated Value":"6 kV","at AC-5a up to 690 V rated value":"15.8 A","at AC-5b up to 400 V rated value":"5.8 A","For Auxiliary And Control Circuit":"spring-loaded terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 20A (690V,100kA), aM: 16A (690V, 100kA), BS88: 20A (415V, 80kA)","Without Load Current Share Typical":"1.6 W","closing power of magnet coil at DC":"1.6 W","holding power of magnet coil at DC":"1.6 W","At Contactor For Auxiliary Contacts":"Spring-type terminals","With Type Of Coordination 1 Required":"gG: 35A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.2 W","for AWG cables for auxiliary contacts":"2x (20 ... 12)","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (0.5 ... 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)","mirror contact according to IEC 60947-4-1":"Yes","with low demand rate according to SN 31920":"40 %","Finely Stranded Without Core End Processing":"2x (0.5 ... 2.5 mm²)","with high demand rate according to SN 31920":"73 %","Type Of Voltage Of The Control Supply Voltage":"DC","Limited To 1 S Switching At Zero Current Maximum":"120 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"86 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"67 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"52 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"43 A; Use minimum cross-section acc. to AC-1 rated value","contact rating of auxiliary contacts according to UL":"A600 / Q600","Of Main Circuit With Degree Of Pollution 3 Rated Value":"690 V","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"690 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","minimum cross-section in main circuit at maximum AC-1 rated value":"2.5 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/76d7377460318104446457c87298f570.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=305038&mlfb=3RT2015-2WB42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2015-2WB42/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3RT2015-2WB42?","answer":"Submit an RFQ through this listing. We source through independent distribution and confirm pricing and availability at quote time."},{"question":"What is 3RT2015-2WB42's listed depth (121 mm) on this component line?","answer":"The depth is 121 mm, width 45 mm, height 70 mm — Size S00 frame."},{"question":"What is 3RT2015-2WB42's listed solid (0.5... 4 mm²) on this component line?","answer":"The spring terminals accept solid or stranded wire from 0.5 to 4 mm², and you can double up two conductors of the same size."},{"question":"Will 3RT2015-2WB42 drop into a panel that was specified around 3RT2015-2SB41 without rewiring?","answer":"Both are Size S00 contactors with the same footprint and spring terminals, so the mechanical fit is identical. The main difference is the coil voltage — 3RT2015-2SB41 is an AC coil variant, while this one is 24 VDC. If the panel's control voltage is already 24 VDC, no rewiring is needed beyond verifying the coil supply."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2015-2WB42","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/3RT2015-2WB42 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}}