{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1921-2CA10-ZW98","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1921-2CA10-ZW98","canonicalUrl":"https://aoctrl.com/siemens/3RH1921-2CA10-ZW98","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1921-2CA10-ZW98","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RH1921-2CA10-ZW98, front-side auxiliary switch, 1 NO contact, Spring-type terminal, for contactors 3RT1, multi-unit packaging = 188 units.","salesMarkdown":"The Siemens 3RH1921-2CA10-ZW98 is a front-side auxiliary switch that adds one normally-open (NO) contact to a 3RT1 contactor. The spring-type (cage-clamp) terminal accepts solid or ferruled stranded conductors up to 2.5 mm² — no screwdriver torque check needed on the line, which saves time in high-density panels where access is tight.","metaTitle":"Siemens 3RH1921-2CA10-ZW98 Auxiliary Switch, 1 NO, Spring Te","metaDescription":"Siemens 3RH1921-2CA10-ZW98 front-side auxiliary switch with 1 NO contact, spring-type terminal, for 3RT1 contactors. Lifecycle stage: current. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"lifecycle_stage":"current"}},"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=379001&mlfb=3RH1921-2CA10-ZW98","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1921-2CA10-ZW98/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RH1921-2CA10-ZW98?","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 price and lead time."},{"question":"What contactors does this auxiliary switch fit?","answer":"It is designed for the Siemens 3RT1 contactor family. Front-side mounting means it occupies no additional DIN-rail space."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1921-2CA10-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/3RH1921-2CA10-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}}