{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH2911-2XA13-0MA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH2911-2XA13-0MA0","canonicalUrl":"https://aoctrl.com/siemens/3RH2911-2XA13-0MA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RH2911-2XA13-0MA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary switch, front-mount, 1 NO + 3 NC, spring-loaded terminals, for 3RT2 contactors and 3RH2 contactor relays, 10 A max, snap-on mounting.","salesMarkdown":"The Siemens 3RH2911-2XA13-0MA0 is a front-mounted auxiliary switch block from the SIRIUS family, designed to snap onto 3RT2 power contactors and 3RH2 contactor relays. It provides one normally-open and three normally-closed auxiliary contacts — terminals labelled 51/52, 61/62, 71/72 (all NC) and 83/84 (NO) — with spring-loaded cage terminals that accept 2x (0.5 to 1.5 mm²) with ferrules or 2x (0.5 to 2.5 mm²) solid, plus 2x AWG 20–14 stranded. Snap-on mounting means it clips directly onto the contactor face without tools, saving DIN-rail space and panel wiring time — a standard fit for any panel using SIRIUS 3RT2 or 3RH2 base units. At 24 V DC the contacts handle 6 A; at 60 V DC that drops to 2 A; at 110 V DC it is 1 A. For AC control circuits, the AC-15 rating at 690 V is 1 A — that is the inductive load rating for solenoid valves and contactor coils, which is the typical use case for this block. The DC ratings follow a clear derating curve: 10 A at 24 V, 4.7 A at 60 V, 3 A at 110 V, 1.2 A at 220 V, 0.5 A at 440 V, and 0.26 A at 600 V. If you are switching a DC coil at 110 V, plan for 3 A maximum per contact — not the 10 A headline. Mechanical life is 10 million switching cycles typical. ## Electrical endurance and isolation No special derating is called out for elevated ambient, but standard SIRIUS practice is to stay within the -25 to +60 °C band for full rated current.","metaTitle":"Siemens 3RH2911-2XA13-0MA0 Auxiliary Switch, 1NO+3NC, Spring","metaDescription":"Siemens SIRIUS auxiliary switch for 3RT2/3RH2 contactors. 1 NO + 3 NC, spring-loaded terminals, snap-on mounting. Rated 10 A max, AC-15 1 A at 690 V. IP20 front. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Note":"with 3RH2","Depth":"47.7 mm","Width":"36 mm","Height":"41.5 mm","Maximum":"10 A","at 24 V":"6 A","at 60 V":"2 A","at 110 V":"1 A","at 125 V":"6 A","at 220 V":"0.3 A","at 230 V":"6 A","at 250 V":"6 A","at 400 V":"3 A","During Storage":"-55 ... +80 °C","Leading Contact":"0","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"snap-on mounting","Lagging Switching":"0","Product Brand Name":"SIRIUS","Suitability For Use":"Contactor relay and power contactor","at 24 V rated value":"10 A","at 60 V rated value":"4.7 A","at 110 V rated value":"3 A","at 220 V rated value":"1.2 A","at 440 V rated value":"0.5 A","at 600 V rated value":"0.26 A","Instantaneous Contact":"1","With Core End Processing":"2x (0.5 ... 1.5 mm²)","Without Core End Processing":"2x (0.5 ... 2.5 mm²)","at AC-15 at 690 V rated value":"1 A","protection class IP on the front":"IP20","Surge Voltage Resistance Rated Value":"6 kV","at AWG cables for auxiliary contacts":"2x (20 ... 14)","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Mechanical Service Life (Switching Cycles) Typical":"10 000 000","Type Of Electrical Connection For Auxiliary And Control Circuit":"spring-loaded terminals","insulation voltage with degree of pollution 3 at AC rated value":"690 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/754ee5a9df8f11f299fb0b5f2667a0cf.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1367252&mlfb=3RH2911-2XA13-0MA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH2911-2XA13-0MA0/alternatives.json"},"ai":{"faq":[{"question":"What is the contact configuration of 3RH2911-2XA13-0MA0?","answer":"It provides 1 normally-open (NO) and 3 normally-closed (NC) auxiliary contacts, with terminals 51/52, 61/62, 71/72 as NC and 83/84 as NO."},{"question":"What is the maximum current rating for 3RH2911-2XA13-0MA0?","answer":"The maximum current is 10 A, but actual capacity depends on voltage and load type — for example, 6 A at 24 V DC and 1 A at 110 V DC."},{"question":"What type of terminals does 3RH2911-2XA13-0MA0 use?","answer":"Spring-loaded (cage) terminals that accept 2x (0.5 to 1.5 mm²) with ferruled ends or 2x (0.5 to 2.5 mm²) solid wire, plus 2x AWG 20–14."},{"question":"Where can I buy 3RH2911-2XA13-0MA0?","answer":"This part is 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 response."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH2911-2XA13-0MA0","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/3RH2911-2XA13-0MA0 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}}