{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RQ4018-1AF00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RQ4018-1AF00","canonicalUrl":"https://aoctrl.com/siemens/3RQ4018-1AF00","factsUrl":"https://aoctrl.com/api/mcp/products/3RQ4018-1AF00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RQ4 coupling relay, narrow design, 3RQ4018-1AF00, output coupler with integrated relay, 230 V AC/DC, 1 change-over contact, screw terminal, width 6.2 mm, thermal current 6 A.","salesMarkdown":"The Siemens 3RQ4018-1AF00 is an output coupler from the SIRIUS 3RQ4 family, designed with an integrated relay for switching loads up to 6 A thermal current. It operates on 230 V AC/DC control voltage and provides a single change-over contact via screw terminals. The 6.2 mm narrow housing fits tight DIN-rail enclosures where panel space is at a premium — common in control cabinets for conveyor lines, pump stations, or HVAC zones where each millimeter of width per I/O point matters. The 6 A thermal current (Ith) is the continuous carry rating through the change-over contact at ambient temperature — derate above 40°C per the Siemens thermal curve. The 230 V AC/DC coil means it accepts either supply without polarity concerns, simplifying wiring in mixed-voltage panels. One change-over contact (SPDT) handles a single signal or load path; for multi-load isolation, you stack multiple units or step up to a multi-pole relay in the same 3RQ4 family. The 6.2 mm width per channel is the key space constraint: a 32-channel bank occupies about 200 mm of DIN rail, leaving room for terminal blocks or a PLC slice next to it.","metaTitle":"Siemens 3RQ4018-1AF00 SIRIUS coupling relay, 230V AC/DC, 6A","metaDescription":"Siemens SIRIUS 3RQ4018-1AF00 coupling relay with integrated relay, 230 V AC/DC, 1 change-over contact, screw terminal, 6.2 mm width, 6 A thermal current. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Control Accessories"],"specifications":{"title":"3RQ4018-1AF00","Group Code":"R711","description":"output coupler with integrated relay, 230 V AC/DC, 1 change-over contact, screw terminal, width 6.2 mm, thermal current 6 A","Product Group":"4950","Product class":"A: Standard product which is a stock item could be returned within the returns guidelines/period.","Quantity Unit":"1 Piece","Product Family":"SIRIUS 3RQ4 coupling relays, narrow design","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : EAR99","Packaging dimensions (L x W x H)":"95.00 x 93.00 x 65.00 mm","Compliance with the substance restrictions according to RoHS directive":"Since: 26-09-24","REACH Art. 33 Duty to inform according to the current list of candidates":"Lead CAS-No. 7439-92-1 > 0,1 % (w / w)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c5988404253f5103a591ea80e04eebcd.pdf","sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/3RQ4018-1AF00?tree=CatalogTree"},"ai":{"faq":[{"question":"What compliance documentation is available for this part?","answer":"RoHS compliance is confirmed since 26-09-24. The REACH Article 33 declaration identifies Lead (CAS-7439-92-1) above 0.1% w/w in the relay contacts. Export control is AL:N / ECCN:EAR99, no special license required."},{"question":"What is the group code and product group for this relay?","answer":"The Group Code is R711 and the Product Group is 4950. These are internal Siemens classification codes used for catalog sorting and cross-reference lookups."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RQ4018-1AF00","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/3RQ4018-1AF00 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}