{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1911-1GA22-ZW98","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1911-1GA22-ZW98","canonicalUrl":"https://aoctrl.com/siemens/3RH1911-1GA22-ZW98","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1911-1GA22-ZW98","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary switch block, 3RH1911-1GA22-ZW98, 2 NO + 2 NC, screw-type terminals, snap-on mounting, 10 A max, IP20 front.","salesMarkdown":"Rated for a maximum of 10 A, with switching capacity derated by voltage: 6 A at 24 V, 6 A at 125 V, 6 A at 230 V, 3 A at 400 V, and 0.3 A at 220 V. The AC-15 rating at 690 V is 1 A. ## Key electrical and mechanical ratings Connections are screw-type terminals accepting 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²) with core-end processing, or 2x (20 to 16) and 2x (18 to 14) AWG. ## Physical dimensions and mounting Dimensions are 36.5 mm wide, 37.5 mm high, and 41.5 mm deep — a compact footprint that fits alongside SIRIUS contactors on the same DIN rail without exceeding the panel depth budget.","metaTitle":"Siemens 3RH1911-1GA22-ZW98 SIRIUS Auxiliary Switch Block, 2","metaDescription":"Siemens SIRIUS auxiliary switch block 3RH1911-1GA22-ZW98, 2 NO + 2 NC contacts, 10 A max, screw terminals, snap-on mounting. Phased-out product; successor is SIRIUS 3RH2. Sourced t","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Note":"with 3RH1","Depth":"41.5 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":"2","With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 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 ... 16), 2x (18 ... 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":"screw-type 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=519324&mlfb=3RH1911-1GA22-ZW98","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1911-1GA22-ZW98/alternatives.json"},"ai":{"faq":[{"question":"What replaces the 3RH1911-1GA22-ZW98?","answer":"The official successor is the SIRIUS 3RH2 series auxiliary switch block. The 3RH2 family offers the same 2 NO + 2 NC contact configuration and snap-on mounting but with updated design."},{"question":"What are the key ratings for this auxiliary switch block?","answer":"Maximum 10 A, with derated values per voltage: 6 A at 24 V, 6 A at 125 V, 6 A at 230 V, 3 A at 400 V, and 0.3 A at 220 V. AC-15 rating at 690 V is 1 A. Mechanical life is 10 million cycles."},{"question":"Will the 3RH1911-1GA22-ZW98 fit a panel designed for the 3RT1015-1BB42 contactor?","answer":"Yes, both use snap-on mounting onto 35 mm DIN rail per EN 50022. The auxiliary switch block is designed as a side-mount add-on for SIRIUS contactors like the 3RT1015 series. Verify the contactor's auxiliary contact slot compatibility, but the mounting rail and footprint are standard."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1911-1GA22-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/3RH1911-1GA22-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}}