{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2024-2CK64-3MA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2024-2CK64-3MA0","canonicalUrl":"https://aoctrl.com/siemens/3RT2024-2CK64-3MA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2024-2CK64-3MA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, Size S0, 3RT2024-2CK64-3MA0, 45 mm width, spring-type terminals, screw and snap-on mounting on 35 mm DIN rail.","salesMarkdown":"It mounts on 35 mm DIN rail per DIN EN 60715, using either screws or the snap-on latch, and the mounting position allows ±180° rotation on a vertical surface plus ±22.5° tilt forward and backward — useful when you're squeezing it into a tight gland plate layout. The contactor measures 45 mm wide, 102 mm tall, and 144 mm deep — a compact S0 footprint that leaves room alongside other SIRIUS gear in the same rail segment. The magnet coil terminates in spring-type terminals — no screw torque to check, just strip and push. Main contacts accept solid or stranded wire from 1 to 10 mm², and the auxiliary circuit (if you add an auxiliary switch block later) accepts dual wires 2x (0.5 to 2.5 mm²). For North American practice, the main contact terminals also handle 18 to 8 AWG. That keeps the arc flash zone contained and lets you pack contactors side-by-side on the rail without derating. This contactor is rated for motor duty at AC-3 (1,000 cycles/hour max) and the heavier AC-4 duty at 300 cycles/hour — the AC-4 limit matters for reversing or plugging applications where the contacts break full-load current. The AC-3e rating also sits at 1,000 cycles/hour, matching modern energy-efficient motor profiles. For the auxiliary contact side (if you wire it through a separate control circuit), the rated currents drop with voltage: 6 A at 24 V, 2 A at 48 V, 2 A at 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, 3 A at 400 V, and 0.6 A at 440 V. At 230 V it carries 2 hp — a common rating for small pump or fan motors. The contactor carries no built-in auxiliary switch (: Auxiliary Switch = No), so if your circuit needs a mirror contact or a status feedback signal, you'll add a separate auxiliary switch block from the SIRIUS family.","metaTitle":"Siemens SIRIUS 3RT2024-2CK64-3MA0 Power Contactor, Size S0,","metaDescription":"Siemens SIRIUS 3RT2024-2CK64-3MA0 power contactor, Size S0, 45 mm width, spring-type terminals, screw and snap-on DIN rail mounting, current lifecycle stage.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"144 mm","Solid":"1 ... 10 mm²","Width":"45 mm","at AC":"4 ... 16 ms","Height":"102 mm","Upwards":"10 mm","Forwards":"10 mm","Stranded":"1 ... 10 mm²","at 50 Hz":"0.25","at 60 Hz":"0.28","Downwards":"10 mm","Arcing Time":"10 ... 10 ms","At The Side":"6 mm","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Spring-type terminals","at AC-1 maximum":"1 000 1/h","at AC-2 maximum":"1 000 1/h","at AC-3 maximum":"1 000 1/h","at AC-4 maximum":"300 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","at AC-3e maximum":"1 000 1/h","For Main Contacts":"18 ... 8","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":"S0","Solid Or Stranded":"2x (0.5 ... 2.5 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Power contactor","at 24 V rated value":"6 A","at 48 V rated value":"2 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","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":"2 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.6 A","at 480 V rated value":"11 A","at 50 Hz rated value":"110 V","at 500 V rated value":"2 A","at 60 Hz rated value":"120 V","at 600 V rated value":"11 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 14","For Main Current Circuit":"spring-loaded terminals","at 110/120 V rated value":"1 hp","at 200/208 V rated value":"3 hp","at 220/230 V rated value":"3 hp","at 460/480 V rated value":"7.5 hp","at 575/600 V rated value":"10 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":"0.9 W","at AC-2 at 400 V rated value":"5.5 kW","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"12.5 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":"35.2 A","at AC-5b up to 400 V rated value":"9.9 A","For Auxiliary And Control Circuit":"spring-loaded terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA)","Without Load Current Share Typical":"7.9 W","At Contactor For Auxiliary Contacts":"Spring-type terminals","With Type Of Coordination 1 Required":"gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (415V,80kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.3 W","for AWG cables for auxiliary contacts":"2x (20 ... 14)","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 ... 1.5 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":"AC","Limited To 1 S Switching At Zero Current Maximum":"210 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"210 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"170 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"126 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"105 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 The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","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":"10 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"2","number of NO contacts for auxiliary contacts instantaneous contact":"2","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5dcbb11369d18a3958a9679fc15992d4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=482346&mlfb=3RT2024-2CK64-3MA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2024-2CK64-3MA0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source — 3RT2024-2BB40?","answer":"The 3RT2024-2BB40 is a peer in the same SIRIUS S0 frame, but the 2CK64-3MA0 uses spring-type terminals on the coil, while the 2BB40 uses screw terminals. The mounting footprint and electrical ratings are the same, so it drops into the same panel without rewiring if you accept screw terminals."},{"question":"What is the depth of this contactor?","answer":"The depth is 144 mm."},{"question":"What wire sizes does it accept?","answer":"Solid or stranded wire from 1 to 10 mm² on the main contacts, and dual wires 2x (0.5 to 2.5 mm²) on the auxiliary circuit. In AWG, the main contacts accept 18 to 8 AWG."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2024-2CK64-3MA0","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/3RT2024-2CK64-3MA0 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}}