{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1140-2AR60","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1140-2AR60","canonicalUrl":"https://aoctrl.com/siemens/3RH1140-2AR60","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1140-2AR60","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, 4 NO contacts, size S00, 45 mm width, screw and snap-on mounting, IP20 front protection, rated 10 A at 24 V, 6 A at 230 V, 3 A at 400 V.","salesMarkdown":"Four normally-open (NO) instantaneous contacts, no leading, lagging, delayed, or make-before-break switching. That means it's a straight 4 NO block for adding interlock, status feedback, or PLC input signals to a motor starter or contactor assembly. Size S00 footprint: 45 mm wide, 60 mm tall, 73 mm deep. Thermal current (Ith) at 24 V is 10 A. At 110 V it drops to 1 A, at 230 V to 6 A, at 400 V to 3 A, at 500 V to 2 A, and at 690 V to 1 A. These are AC ratings at the respective voltage levels — so for a 230 V control circuit you can switch up to 6 A per contact; for a 400 V signal circuit you're limited to 3 A. The rated insulation voltage is 400 V at 50 Hz and 400…440 V at 60 Hz, with a surge voltage resistance of 6 kV. Pollution degree 3 (industrial environment, conductive pollution). Fastening method: screw and snap-on mounting. The solid conductor capacity is 2x (0.25 … 2.5 mm²) — two solid wires per terminal, fine for control wiring. IP20 on the front: protected against finger contact, not against water — keep it inside a panel. The contactor is rated for a shock resistance of 10g / 5 ms and 5g / 10 ms, and an operating temperature range of -25 to +60 °C, storage/transport from -55 to +80 °C. That covers most industrial enclosures. Compliance: RoHS compliant with a substance prohibition date of 07/01/2006. The auxiliary switch extension is possible — the product extension auxiliary switch is marked 'Yes', so you can add mechanical auxiliary switch blocks on top.","metaTitle":"Siemens SIRIUS 3RH1140-2AR60 Auxiliary Contactor, 4 NO, Size","metaDescription":"Siemens SIRIUS 3RH1140-2AR60 auxiliary contactor, 4 NO contacts, size S00, 45mm wide, screw/snap-on mount, IP20 front. Rated up to 10 A at 24 V, 6 A at 230 V, 3 A at 400 V. Current","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Solid":"2x (0.25 ... 2.5 mm²)","Width":"45 mm","Height":"60 mm","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","1 Rated Value":"50 Hz","2 Rated Value":"60 Hz","During Storage":"-55 ... +80 °C","Leading Contact":"0","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","During Transport":"-55 ... +80 °C","Fastening Method":"screw and snap-on mounting","Shock Resistance":"10g / 5 ms and 5g / 10 ms","Delayed Switching":"0","Lagging Switching":"0","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","Contact Reliability":"one incorrect switching operation of 100 million switching operations (17 V, 1 mA)","Degree Of Pollution":"3","Product Designation":"Auxiliary contactor","at 24 V rated value":"10 A","Of Contactor Typical":"30 000 000","at 110 V rated value":"1 A","at 220 V rated value":"0.27 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":"2 A","at 60 Hz rated value":"400 ... 440 V","at 690 V rated value":"1 A","Instantaneous Contact":"4","For Auxiliary Contacts":"0","Make-Before-Break Switching":"0","Substance Prohibitance (Date)":"07/01/2006","protection class IP on the front":"IP20","Product Extension Auxiliary Switch":"Yes","Surge Voltage Resistance Rated Value":"6 kV","operational current at AC-12 maximum":"10 A","for AWG cables for auxiliary contacts":"2x (24 ... 14)","reference code according to IEC 81346-2":"K","Finely Stranded With Core End Processing":"2x (0.25 ... 1.5 mm²)","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Touch Protection Against Electrical Shock":"finger-safe","with low demand rate according to SN 31920":"40 %","Finely Stranded Without Core End Processing":"2x (0.25 ... 2.5 mm²)","Of Auxiliary Contacts Instantaneous Contact":"0","apparent holding power of magnet coil at AC":"4.6 VA","apparent pick-up power of magnet coil at AC":"27 VA","with high demand rate according to SN 31920":"75 %","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"4","Type Of Voltage Of The Control Supply Voltage":"AC","Inductive Power Factor With Closing Power Of The Coil":"0.8","Identification Number And Letter For Switching Elements":"40 E","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Required Spacing With Side-By-Side Mounting At The Side":"0 mm","Inductive Power Factor With The Holding Power Of The Coil":"0.27","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","Type Of Electrical Connection For Auxiliary And Control Circuit":"Cage Clamp terminals","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000","Design Of The Fuse Link For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A"}},"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=109866&mlfb=3RH1140-2AR60","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1140-2AR60/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RH1140-2AR60 and get current pricing?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What is the closest functional second-source to 3RH1140-2AR60?","answer":"The closest peer in the same SIRIUS family is 3RH2122-2AV00 — that part has a different contact configuration (2 NO + 2 NC versus the 4 NO of the 3RH1140-2AR60). They share the same size S00 footprint, so they can physically swap into the same panel cutout, but the contact arrangement differs. If your circuit needs four normally-open contacts, stick with the 3RH1140-2AR60."},{"question":"Will 3RH1140-2AR60 drop into a panel that was specified around 3RH2122-2AV00 without rewiring?","answer":"Physically yes — both are size S00 and mount on the same DIN rail or screw pattern. But the contact configuration is different: 3RH1140-2AR60 has 4 NO (all make), while 3RH2122-2AV00 has 2 NO + 2 NC. The wiring must match the circuit's contact logic."},{"question":"What compliance documentation does this brand provide for 3RH1140-2AR60?","answer":"RoHS compliant with a substance prohibition date of 07/01/2006. The SIRIUS series typically carries CE, UL, and CSA certifications, but those are not individually listed in this spec record. The IP20 front protection and pollution degree 3 rating are documented."},{"question":"What is 3RH1140-2AR60's listed depth?","answer":"73 mm deep, with a width of 45 mm and height of 60 mm — size S00."},{"question":"What is 3RH1140-2AR60's listed solid conductor capacity?","answer":"2x (0.25 … 2.5 mm²) solid conductor per terminal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1140-2AR60","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/3RH1140-2AR60 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}}