{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1131-2BB40-ZW98","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1131-2BB40-ZW98","canonicalUrl":"https://aoctrl.com/siemens/3RH1131-2BB40-ZW98","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1131-2BB40-ZW98","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, 3RH1131-2BB40-ZW98, 24 VDC coil, 10 A AC-12 rated, size S00, IP20 front protection.","salesMarkdown":"## What this SIRIUS auxiliary contactor does The 24 VDC coil draws 3.2 W closing and holding, so the power supply budget is flat: no inrush spike to size for. AC-12 rated at 10 A maximum, it handles pilot-duty loads like PLC inputs, relay coils, and indicator lamps without derating concerns at 24 V. Three normally-open instantaneous contacts (plus zero delayed, lagging, or make-before-break) give you a clean set of N.O. signal paths. Contact reliability is spec'd at one incorrect switching operation per 100 million at 17 V, 1 mA — meaning it's trustworthy for low-energy PLC-level signals, not just power circuits. Size S00 footprint: 45 mm wide, 60 mm tall, 73 mm deep. Fastens with screw or snaps onto DIN rail. ## Switching capacity across voltages Rated operational currents vary by voltage and duty: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, 2 A at 500 V, 1 A at 690 V. At 110 V it's rated 1 A; at 220 V, 0.27 A. These are the AC-12 values for resistive/pilot duty — use them for sizing the contactor's load circuit, not the coil circuit.","metaTitle":"Siemens 3RH1131-2BB40-ZW98 SIRIUS Auxiliary Contactor, 24 VD","metaDescription":"Siemens 3RH1131-2BB40-ZW98 SIRIUS auxiliary contactor, 24 VDC coil, 10 A AC-12 rated, size S00, IP20. Available to order. Quoted on request.","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","Rated Value":"24 V","Initial Value":"0.8","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","Full-Scale Value":"1.1","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 500 V rated value":"2 A","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","closing power of magnet coil at DC":"3.2 W","holding power of magnet coil at DC":"3.2 W","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","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":"DC","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","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=403678&mlfb=3RH1131-2BB40-ZW98","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1131-2BB40-ZW98/alternatives.json"},"ai":{"faq":[{"question":"What is the depth of 3RH1131-2BB40-ZW98?","answer":"73 mm. That's the dimension from the mounting surface to the farthest front point of the contactor body."},{"question":"What conductor sizes fit the terminals?","answer":"Solid conductors from 0.25 mm² up to 2.5 mm². The terminals accept two conductors per clamp."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1131-2BB40-ZW98","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/3RH1131-2BB40-ZW98 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}}