{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2035-1AD04","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2035-1AD04","canonicalUrl":"https://aoctrl.com/siemens/3RT2035-1AD04","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2035-1AD04","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2035-1AD04 power contactor, S2 size, screw-type coil terminals, 55 mm width, 174 mm depth, screw and snap-on mounting onto 35 mm DIN rail.","salesMarkdown":"At 55 mm wide and 174 mm deep, it occupies a standard S2 footprint — the same width as the 3RT2027 frame but deeper, so a panel laid out for the smaller contactor may need clearance for the extra 20 mm or so behind the DIN rail. ## Switching Performance and Duty Ratings The 3RT2035-1AD04 is rated for 1 200 operations per hour in AC-1 (resistive) duty, 1 000 ops/h in AC-3 (squirrel-cage motor starting), and 300 ops/h in AC-4 (plugging/inching). The AC-3e rating matches the standard AC-3 at 1 000 ops/h. These are the maximum mechanical switching rates — actual thermal limits depend on the load current and enclosure derating. Arcing time is 10 to 20 ms, and operate time at AC is 10 to 18 ms. Main contacts are rated for 18 to 1. Mechanical life is typical 10 000 000 operations. ## Coil and Auxiliary Details The magnet coil uses screw-type terminals, accepting solid or stranded wire: 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²). No auxiliary switch is integrated on this base unit — add a separate auxiliary contact block if needed. Coil ratings at various control voltages: 6 A at 24 V rated value, 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, 0.6 A at 440 V, 40 A at 480 V, 2 A at 500 V. At 50 Hz the coil is rated for 42 V. At 230 V rated value, the contactor carries 7.5 hp.","metaTitle":"Siemens SIRIUS 3RT2035-1AD04 Power Contactor, S2, 55 mm","metaDescription":"Siemens SIRIUS 3RT2035-1AD04 power contactor, S2 size, 55 mm width, 174 mm depth. Current production. Screw terminals. DIN rail mount. Rated for AC-3 switching up to 1000 ops/h.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"174 mm","Width":"55 mm","at AC":"10 ... 18 ms","Height":"114 mm","Upwards":"10 mm","Forwards":"10 mm","at 50 Hz":"0.37","Downwards":"10 mm","Arcing Time":"10 ... 20 ms","At The Side":"6 mm","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","at AC-1 maximum":"1 200 1/h","at AC-2 maximum":"750 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 ... 1","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":"S2","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 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":"7.5 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.6 A","at 480 V rated value":"40 A","at 50 Hz rated value":"42 V","at 500 V rated value":"2 A","at 600 V rated value":"41 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 14","For Main Current Circuit":"screw-type terminals","at 110/120 V rated value":"3 hp","at 200/208 V rated value":"10 hp","at 220/230 V rated value":"15 hp","at 460/480 V rated value":"30 hp","at 575/600 V rated value":"40 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":"6.6 W","at AC-2 at 400 V rated value":"18.5 kW","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"35 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2014","Of Auxiliary Circuit Rated Value":"6 kV","at AC-5a up to 690 V rated value":"52.8 A","at AC-5b up to 400 V rated value":"33.2 A","For Auxiliary And Control Circuit":"screw-type terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 80A (690V,100kA), aM: 50A (690V,100kA), BS88: 63A (415V,80kA)","Without Load Current Share Typical":"16 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","With Type Of Coordination 1 Required":"gG: 160 A (690 V, 100 kA), aM: 80 A (690 V, 100 kA), BS88: 125 A (415 V, 80 kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"2.2 W","for AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 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), 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)","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":"843 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"596 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"400 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"241 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"196 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":"16 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/36d794893f48562c6ee6e83226a3b53d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=388622&mlfb=3RT2035-1AD04","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2035-1AD04/alternatives.json"},"ai":{"faq":[{"question":"What are the key dimensions of 3RT2035-1AD04?","answer":"Width is 55 mm, height is 114 mm, depth is 174 mm."},{"question":"Does 3RT2035-1AD04 drop into a panel designed for 3RT2027-1AB04?","answer":"Both are SIRIUS S2 contactors with 55 mm width, but the 3RT2035 is deeper at 174 mm vs the 3RT2027's typical depth. The DIN rail mounting and screw-terminal coil are the same, so it will fit the same rail but may require additional rear clearance."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2035-1AD04","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/3RT2035-1AD04 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}}