{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1431-1AU00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1431-1AU00","canonicalUrl":"https://aoctrl.com/siemens/3RH1431-1AU00","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1431-1AU00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, size S00, 3 NO instantaneous contacts, screw and snap-on mounting, IP20 front, 72 mm depth.","salesMarkdown":"It's the signal-level switching block in a motor control center: the part that tells the PLC an interlock is made or that a main contactor has pulled in. Three NO contacts rated for switching: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 1 A at 690 V — these are the AC-15 / DC-13 signal-switching curves, not motor-load currents. The 6 kV rated surge voltage resistance means it handles the transient spikes common on 400 V industrial panels without flashover. IP20 on the front (finger-safe) is standard for enclosed panels; no washdown rating here. Screw and snap-on mounting onto DIN rail — the S00 footprint is compact at 90 mm wide × 57.5 mm deep × 72 mm tall. Wire capacity is generous for its size: accepts 2× 0.5–1.5 mm², 2× 0.75–2.5 mm², or 2× 4 mm² solid. Shock resistance tested at 10g / 5 ms and 5g / 10 ms.","metaTitle":"Siemens SIRIUS 3RH1431-1AU00 Auxiliary Contactor, Size S00,","metaDescription":"Siemens SIRIUS 3RH1431-1AU00 auxiliary contactor, size S00, 3 NO instantaneous contacts, screw/snap-on mounting, IP20 front, 6 kV surge, current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"72 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²","Width":"90 mm","Height":"57.5 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":"5 000 000","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":"240 V","at 500 V rated value":"2 A","at 60 Hz rated value":"240 V","at 690 V rated value":"1 A","Instantaneous Contact":"3","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","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","operational current at AC-12 maximum":"10 A","reference code according to IEC 81346-2":"K","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 %","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":"1","number of NO contacts for auxiliary contacts":"3","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":"31 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":"5 000 000","Type Of Electrical Connection For Auxiliary And Control Circuit":"screw-type 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=68289&mlfb=3RH1431-1AU00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1431-1AU00/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for the 3RH1431-1AU00?","answer":"Three NO contacts rated 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 1 A at 690 V. Surge voltage resistance is 6 kV. Mounts via screw or snap-on to DIN rail, size S00 footprint (90 × 57.5 × 72 mm)."},{"question":"What wire sizes does the 3RH1431-1AU00 accept?","answer":"Solid wire: 2× 0.5–1.5 mm², 2× 0.75–2.5 mm², or 2× 4 mm²."},{"question":"What compliance documentation is available for the 3RH1431-1AU00?","answer":"The part carries a substance prohibition date of 07/01/2006, consistent with RoHS compliance. It is designed to pollution degree 3 per IEC 60947-1 and carries a 6 kV rated surge voltage. Standard Siemens SIRIUS documentation (declaration of conformity, CE, UKCA) applies to this order code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1431-1AU00","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/3RH1431-1AU00 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}}