{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH2911-2HA31-Z W96","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH2911-2HA31-Z-W96","canonicalUrl":"https://aoctrl.com/siemens/3RH2911-2HA31-Z-W96","factsUrl":"https://aoctrl.com/api/mcp/products/3RH2911-2HA31-Z%20W96","rawCanonicalId":null},"summary":{"shortDescription":"Siemens auxiliary switch, front-mount, 3 NO + 1 NC, spring-loaded terminals, for 3RT2 contactors and 3RH2 contactor relays, multi-unit packaging of 196 pieces.","salesMarkdown":"The Siemens 3RH2911-2HA31-Z W96 is a front-mounted auxiliary switch block delivering 3 normally-open and 1 normally-closed contact paths. It's built specifically for the 3RT2 contactor series and the 3RH2 contactor relay series — same mounting footprint, same spring-loaded terminal interface. ## Contact arrangement and wiring The contact configuration is laid out as three NO (normally-open) and one NC (normally-closed) path. The description notes the current path sequence as 1 NC, 1 NO, 1 NO, 1 NO — so the NC occupies the first position in the terminal row. When wiring, you'll want to confirm which terminal pair corresponds to the NC before landing your safety-circuit loop; the NO contacts are the remaining three.","metaTitle":"3RH2911-2HA31-Z W96 Auxiliary Switch, 3NO+1NC, Spring-Loaded","metaDescription":"Active Siemens auxiliary switch for 3RT2 contactors and 3RH2 relays. 3 NO + 1 NC, spring-loaded terminals, multi-unit packaging of 196. RoHS compliant since 2009.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Group Code":"R711","Product Group":"5344","Product class":"C: products manufactured / produced to order, which cannot be reused or re-utilized or be returned against credit.","Quantity Unit":"1 Piece","Product Family":"Ordering Data Overview","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : N","Packaging dimensions (L x W x H)":"60.00 x 54.00 x 47.00 mm","Compliance with the substance restrictions according to RoHS directive":"Since: 01-10-09","REACH Art. 33 Duty to inform according to the current list of candidates":"Reach Information"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2f4b06096fd433be427c9630bf539ac9.pdf","sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/3RH2911-2HA31-ZW96?tree=CatalogTree","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH2911-2HA31-Z%20W96/alternatives.json"},"ai":{"faq":[{"question":"What contactor or relay families does this auxiliary switch fit?","answer":"It mounts on the front of Siemens 3RT2 contactors and 3RH2 contactor relays. The spring-loaded terminal interface matches those series directly — no adapter needed."},{"question":"What is the contact arrangement on this switch?","answer":"The switch provides 3 normally-open and 1 normally-closed contact. The NC contact occupies the first position in the terminal sequence, followed by three NO contacts."},{"question":"What compliance documentation is available for this part?","answer":"RoHS compliance is confirmed effective October 1, 2009. REACH Article 33 information is available per the current candidate list. Export control is AL: N / ECCN: N."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH2911-2HA31-Z-W96","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/3RH2911-2HA31-Z-W96 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}}