{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1911-2FA11-ZW98","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1911-2FA11-ZW98","canonicalUrl":"https://aoctrl.com/siemens/3RH1911-2FA11-ZW98","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1911-2FA11-ZW98","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary switch block, 3RH1911-2FA11-ZW98, 1 NO + 1 NC per EN 50005, spring-loaded terminals, 10 A maximum switching current, snap-on mounting for size S00 contactors.","salesMarkdown":"It provides one normally-open and one normally-closed contact arranged per EN 50005, with spring-loaded terminals for the auxiliary and control circuit wiring. The block snaps onto the front of size S00 contactors, adding auxiliary contacts without increasing the panel footprint. The maximum continuous current rating is 10 A, but that's the thermal limit — the actual switching capacity depends on the voltage and load type. At 24 V it's rated for 6 A, at 125 V also 6 A, at 230 V still 6 A, but at 400 V it drops to 3 A, and at 600 V down to 0.26 A. The AC-15 rating at 690 V is 1 A, which is the inductive load rating for contactor coils and solenoid valves. For DC switching, the ratings are lower: 10 A at 24 V, 4.7 A at 60 V, 1.2 A at 220 V. That DC curve matters when you're switching DC brake coils or DC-powered indicators — the arc extinguishes differently than AC. This part is a phased-out product. The official successor is the SIRIUS 3RH2 series. The 3RH1911-2FA11-ZW98 was sold in multi-unit packaging of 60 units. For new designs or BOM fill, the 3RH2 series is the direct replacement path. Fastens via snap-on mounting to the contactor front. The spring-loaded terminals accept 2x (0.5 to 1.5 mm²) with ferrule or 2x (0.5 to 2.5 mm²) without core-end processing, or 2x (20 to 14 AWG). Mechanical service life is 10 million switching cycles typical, with contact reliability of 1 faulty switching per 100 million operations at 17 V, 1 mA — that's the low-level signal reliability figure you need for PLC inputs.","metaTitle":"Siemens 3RH1911-2FA11-ZW98 SIRIUS Auxiliary Switch Block, 10","metaDescription":"Siemens SIRIUS 3RH1911-2FA11-ZW98 auxiliary switch block, 1 NO + 1 NC, spring-loaded terminals, 10 A max. Phased-out; successor is 3RH2 series. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Note":"with 3RH1","Depth":"46 mm","Width":"36.5 mm","Height":"37.5 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","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"snap-on mounting","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=279546&mlfb=3RH1911-2FA11-ZW98","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1911-2FA11-ZW98/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RH1911-2FA11-ZW98 and get a price?","answer":"This part is sourced to order against an RFQ through our independent distribution network. Availability and current pricing are confirmed at quote time — submit an RFQ and we'll respond with a firm quote."},{"question":"What does the 'with 3RH1' note mean on this part?","answer":"The note indicates this auxiliary switch block is designed for use with 3RH1 contactor relays, part of the SIRIUS family. It's also suitable for use with SIRIUS power contactors in the same size S00 frame."},{"question":"What are the key switching ratings for 3RH1911-2FA11-ZW98?","answer":"Maximum continuous current is 10 A. AC switching: 6 A at 24 V, 6 A at 125 V, 6 A at 230 V, 3 A at 400 V, 0.26 A at 600 V. DC switching: 10 A at 24 V, 4.7 A at 60 V, 1.2 A at 220 V. AC-15 inductive rating is 1 A at 690 V."},{"question":"What compliance documentation is available for this part?","answer":"The part carries the SIRIUS brand and is designed for use in industrial control panels. Specific compliance documentation (RoHS, REACH, UL, IEC) should be confirmed at quote time — we can provide available documentation with your RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1911-2FA11-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/3RH1911-2FA11-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}}