{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2018-4AG62","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2018-4AG62","canonicalUrl":"https://aoctrl.com/siemens/3RT2018-4AG62","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2018-4AG62","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2018-4AG62 power contactor, size S00, 24 VDC coil, screw and snap-on DIN rail mounting, 45 x 58 x 73 mm.","salesMarkdown":"The 24 VDC coil draws 0.24 A at 50 Hz and 0.25 A at 60 Hz, with an operating range of 100 V at 50 Hz and 110 V at 60 Hz. Switching capacity spans from 10 A at 24 V up to 14 A at 480 V, with intermediate ratings for 48 V, 60 V, 110 V, 125 V, 220 V, 400 V, 440 V, and 500 V — covering common control and distribution voltages in industrial plants. ## Mechanical Endurance and Switching Frequency The contactor is rated for 30,000,000 typical mechanical operations, with maximum switching frequencies of 1,000 cycles/hour for AC-1 resistive loads, 750 cycles/hour for AC-2 and AC-3 motor duty, and 250 cycles/hour for AC-4 plugging/reversing duty. The AC-3e rating also allows 750 cycles/hour.","metaTitle":"Siemens 3RT2018-4AG62 SIRIUS Power Contactor, S00, 24 VDC","metaDescription":"Siemens SIRIUS 3RT2018-4AG62 power contactor, size S00, 24 VDC coil. Current production. Screw/snap-on DIN rail. Available to order. Quoted on request.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Width":"45 mm","at AC":"7 ... 13 ms","Height":"58 mm","Upwards":"10 mm","Forwards":"10 mm","at 50 Hz":"0.24","at 60 Hz":"0.25","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"6 mm","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Ring cable lug connection","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":"Yes","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715","at AC-3e maximum":"750 1/h","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","Product Brand Name":"SIRIUS","Product Designation":"Power 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":"2 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.2 A","at 480 V rated value":"14 A","at 50 Hz rated value":"100 V","at 500 V rated value":"2 A","at 60 Hz rated value":"110 V","at 600 V rated value":"11 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Main Current Circuit":"Ring cable lug connection","at 110/120 V rated value":"1 hp","at 200/208 V rated value":"3 hp","at 220/230 V rated value":"5 hp","at 460/480 V rated value":"10 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":"3 W","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"11.5 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2009","Of Auxiliary Circuit Rated Value":"6 kV","at AC-5a up to 690 V rated value":"19.4 A","at AC-5b up to 400 V rated value":"13.2 A","For Auxiliary And Control Circuit":"ring terminal lug connection","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":"6.5 W","At Contactor For Auxiliary Contacts":"Ring cable lug connection","With Type Of Coordination 1 Required":"gG: 50A (690V,100kA), aM: 25A (690V,100kA), BS88: 50A (415V,80kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"1 W","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","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 %","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":"300 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"169 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"128 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"92 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"74 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":"4 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"1","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/4d77130951f6c716b3ecd97afcdff00d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=68505&mlfb=3RT2018-4AG62","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2018-4AG62/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RT2018-4AG62 and what is the lead time?","answer":"The 3RT2018-4AG62 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is 3RT2018-4AG62's depth (73 mm) and width (45 mm)?","answer":"The 3RT2018-4AG62 measures 45 mm wide, 58 mm high, and 73 mm deep, fitting standard DIN-rail layouts with clearances of 10 mm upward/forward/downward and 6 mm at the sides."},{"question":"Will 3RT2018-4AG62 drop into a panel specified around 3RT2015-4AN62 without rewiring?","answer":"Both are size S00 contactors with screw/snap-on DIN-rail mounting and similar dimensions, so the 3RT2018-4AG62 is a mechanical fit. However, verify coil voltage (24 VDC vs the alternate's coil) and auxiliary contact configuration before swapping — the 3RT2018-4AG62 includes an auxiliary switch, which the alternate may or may not have."},{"question":"What compliance documentation does Siemens provide for 3RT2018-4AG62?","answer":"As a Siemens SIRIUS product, the 3RT2018-4AG62 carries the usual industrial compliance documentation (CE, RoHS, REACH) available from Siemens. Specific certification details (UL, CSA) should be confirmed on the nameplate or from the manufacturer's official documentation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2018-4AG62","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/3RT2018-4AG62 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}}