{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1131-1AC00-0TK1-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1131-1AC00-0TK1-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RH1131-1AC00-0TK1-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1131-1AC00-0TK1-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, size S00, 3 NO instantaneous contacts, 45 mm width, screw and snap-on mounting, IP20 front.","salesMarkdown":"It provides three normally open (NO) instantaneous contacts with no leading, lagging, delayed, or make-before-break switching — a straightforward 3-pole NO block for extending the auxiliary contact set on a main contactor or for standalone logic switching. The IP20 front protection means it's safe from finger contact but requires enclosure protection against moisture and dust. The switching capacity varies significantly with voltage: at 24 V it handles 10 A, at 230 V it handles 6 A, and at 690 V it handles 1 A. These are the thermal current ratings (Ith) for the auxiliary contacts — the maximum continuous current the contacts can carry at each voltage level. For a 24 VDC control circuit, the 10 A rating gives ample headroom for pilot lights, PLC inputs, and small relays. At 400 V, the 3 A rating covers most contactor coil circuits and signal isolation tasks. The mechanical life is 30 million operating cycles typical, which aligns with the SIRIUS S00 family standard for auxiliary contactors. ## Mechanical integration and wiring The 45 mm width and 57.5 mm height fit the S00 footprint, sharing the same DIN-rail clip pattern as the 3RT10 series power contactors. Wire capacity accepts solid conductors: 2x 0.5–1.5 mm², 2x 0.75–2.5 mm², or 2x 4 mm² per terminal. This covers most control wiring from 18 AWG to 12 AWG. ## Environmental limits and shock resistance Shock resistance is 10g for 5 ms and 5g for 10 ms — sufficient for most industrial machinery but not rated for high-g applications like presses or crushers without additional damping. The coil operates at 50/60 Hz with a voltage tolerance of 0.8–1.1 at 50 Hz and 0.85–1.1 at 60 Hz. This means the coil holds in reliably down to 80% of rated voltage at 50 Hz, which is standard for IEC contactors. The product extension auxiliary switch option indicates that additional auxiliary contact blocks can be added to this base unit, expanding the contact count if needed. This is a standard SIRIUS feature — side-mounting blocks snap onto the contactor without tools.","metaTitle":"Siemens 3RH1131-1AC00-0TK1-ZX95 SIRIUS Auxiliary Contactor,","metaDescription":"Siemens SIRIUS 3RH1131-1AC00-0TK1-ZX95 auxiliary contactor, size S00, 3 NO contacts, 45 mm wide, IP20 front, current production. Sourced to order against RFQ.","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":"45 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":"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":"32 V","at 500 V rated value":"2 A","at 60 Hz rated value":"32 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":"10 000 000","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=91681&mlfb=3RH1131-1AC00-0TK1-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1131-1AC00-0TK1-ZX95/alternatives.json"},"ai":{"faq":[{"question":"What are the key contact ratings for this auxiliary contactor?","answer":"It has 3 normally open instantaneous contacts. The thermal current ratings are: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 1 A at 690 V. Mechanical life is 30 million operations typical."},{"question":"What is the physical size and mounting method?","answer":"Width 45 mm, height 57.5 mm, depth 72 mm. It mounts on 35 mm DIN rail via snap-on or can be screw-mounted. The S00 size matches the Siemens 3RT10 contactor footprint."},{"question":"What wire sizes does it accept?","answer":"Solid conductors: 2x 0.5–1.5 mm², 2x 0.75–2.5 mm², or 2x 4 mm² per terminal. This covers 18 AWG through 12 AWG solid wire."},{"question":"How does this compare to the 3RT1015-1AG61 power contactor?","answer":"The 3RH1131 is an auxiliary contactor (control circuit switching only), while the 3RT1015 is a power contactor for motor loads. They share the same S00 mechanical footprint and DIN-rail clip pattern, so they can be mounted side-by-side in a panel. The 3RH1131 provides additional NO contacts for signaling or interlocking, whereas the 3RT1015 carries the main motor current. They are complementary, not substitutes."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1131-1AC00-0TK1-ZX95","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/3RH1131-1AC00-0TK1-ZX95 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}}