{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1035-1AR60","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1035-1AR60","canonicalUrl":"https://aoctrl.com/siemens/3RT1035-1AR60","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1035-1AR60","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1035-1AR60, Size S2 power contactor, 400 V 50 Hz main circuit, screw-type terminals, screw and snap-on mounting onto 35 mm DIN rail.","salesMarkdown":"Its main circuit is rated at 400 V 50 Hz, delivering 18.5 kW at AC-2 duty and 22 kW at 500 V. At 690 V it handles 11.4 kW, giving you the headroom for a 400 V motor with a healthy voltage drop margin. That covers the typical motor feeder cable range up to 16 mm² without needing adaptor lugs. ## Switching frequency and thermal limits for continuous duty Maximum switching frequency depends on duty class: 1200 operations per hour at AC-1 (resistive), 1000 at AC-3 (motor start/run), and 600 at AC-2 (slip-ring motor). At AC-4 (plugging/inching) the limit drops to 300 ops/h. These are the thermal limits of the contactor — exceeding them will overheat the coil and arc chamber. Mechanical endurance is 10 million operations typical, which for a contactor in a conveyor or pump start/stop cycle at 1000 ops/h translates to roughly 10,000 hours of service before contact wear becomes a consideration. ## Auxiliary contact ratings for control circuit integration The built-in auxiliary contacts are rated at 10 A at 24 V, 6 A at 230 V, and 3 A at 400 V. At 110 V they carry 1 A, and at 220 V only 0.3 A — so if you're feeding a 220 V PLC input from these contacts, check the load current against the 0.3 A limit. Coil operating range spans 0.8 to 1.1 times rated voltage at 50 Hz, and 0.85 to 1.1 at 60 Hz. Operating time is 7 to 20 ms AC, with arcing time between 10 and 15 ms. That's fast enough for most motor start sequences but not for high-speed inching — use a dedicated DC coil contactor for that. ## Panel integration and wiring constraints Dimensions are 112 mm high, 55 mm wide, 115 mm deep — the S2 frame occupies about 6.2 cm² of DIN rail footprint. At 55 mm wide, four units fit in a 220 mm wide enclosure section with room for a 10 mm end bracket. IP20 on the front, IP00 at the terminals — the terminal area is not touch-safe until the enclosure door is closed. In a panel with IP54 rating, this contactor is fine; in an open cabinet, install finger guards over the screw terminals. Wire range on the main circuit: stranded 2x 0.75 to 25 mm², solid or stranded 2x 0.75 to 16 mm². The auxiliary circuit accepts solid 2x 0.5 to 4 mm². Use ferrules on stranded wire for reliable termination in the screw clamp.","metaTitle":"Siemens 3RT1035-1AR60 SIRIUS Power Contactor, Size S2, 400 V","metaDescription":"Siemens SIRIUS 3RT1035-1AR60 Size S2 power contactor. 400 V 50 Hz main circuit, screw terminals, DIN rail mount. Current lifecycle stage. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"115 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"55 mm","at AC":"7 ... 20 ms","Height":"112 mm","Stranded":"2x (0.75 ... 25 mm²)","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","Arcing Time":"10 ... 15 ms","On The Front":"IP20","1 Rated Value":"50 Hz","2 Rated Value":"60 Hz","During Storage":"-55 ... +80 °C","Of The Terminal":"IP00","at AC-1 maximum":"1 200 1/h","at AC-2 maximum":"600 1/h","at AC-3 maximum":"1 000 1/h","at AC-4 maximum":"300 1/h","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Size Of Contactor":"S2","Solid Or Stranded":"2x (0.75 ... 16 mm²)","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":"10 000 000","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 50 Hz rated value":"400 V","at 500 V rated value":"22 kW","at 60 Hz rated value":"400 ... 440 V","at 690 V rated value":"11.4 kW","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-2 at 400 V rated value":"18.5 kW","at AC-4 at 400 V rated value":"35 A","Substance Prohibitance (Date)":"05/01/2012","at 40 °C minimum permissible":"16 mm²","at 60 °C minimum permissible":"16 mm²","Insulation Voltage Rated Value":"690 V","at 230 V at 60 °C rated value":"22 kW","at 690 V at 60 °C rated value":"66 kW","at AWG cables for main contacts":"2x (18 ... 2)","For Auxiliary And Control Circuit":"screw-type terminals","With Type Of Assignment 2 Required":"fuse gL/gG: 63 A","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"fuse gL/gG: 125 A","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","operational current at AC-12 maximum":"10 A","number of NC contacts for main contacts":"0","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)","Thermal Short-Time Current Limited To 10 S":"400 A","Finely Stranded Without Core End Processing":"2x (0.75 ... 16 mm²)","apparent holding power of magnet coil at AC":"12.6 VA","apparent pick-up power of magnet coil at AC":"166 VA","Type Of Voltage Of The Control Supply Voltage":"AC","Required Spacing For Grounded Parts At The Side":"6 mm","contact rating of auxiliary contacts according to UL":"A600 / Q600","Inductive Power Factor With Closing Power Of The Coil":"0.71","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Inductive Power Factor With The Holding Power Of The Coil":"0.37","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","number of NC contacts for auxiliary contacts instantaneous contact":"0","number of NO contacts for auxiliary contacts instantaneous contact":"0","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=415227&mlfb=3RT1035-1AR60","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1035-1AR60/alternatives.json"},"ai":{"faq":[{"question":"What are the key motor ratings for 3RT1035-1AR60?","answer":"At 400 V 50 Hz in AC-3 duty, this contactor is rated for 18.5 kW motor load. At 500 V it delivers 22 kW, and at 690 V it handles 11.4 kW. These are the maximum motor power ratings for standard three-phase induction motors."},{"question":"Will 3RT1035-1AR60 drop into a panel specified around 3RT5034-1AR60 without rewiring?","answer":"Both are Size S2 contactors on the same 55 mm wide DIN-rail footprint, so the mechanical fit is identical. However, the 3RT5034-1AR60 is a different series with potentially different coil ratings and auxiliary contact configurations — verify the coil voltage and auxiliary wiring before swapping."},{"question":"What terminal wire sizes does 3RT1035-1AR60 accept?","answer":"Main circuit screw terminals accept stranded wire up to 2x 25 mm², or solid/stranded up to 2x 16 mm². Auxiliary terminals accept solid wire 2x 0.5 to 4 mm², or stranded 2x 0.75 to 2.5 mm²."},{"question":"Where can I buy 3RT1035-1AR60?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and delivery commitment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1035-1AR60","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/3RT1035-1AR60 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}}