{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RF3320-1DA02","brand":"Siemens","brandSlug":"siemens","productSlug":"3RF3320-1DA02","canonicalUrl":"https://aoctrl.com/siemens/3RF3320-1DA02","factsUrl":"https://aoctrl.com/api/mcp/products/3RF3320-1DA02","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RF33 solid-state contactor, 1-pole, AC-1 / 20 A / 40 °C, 24-230 V / 24 V DC control, short-circuit-proof with B miniature circuit breaker, screw terminals.","salesMarkdown":"The Siemens 3RF3320-1DA02 is a SIRIUS 3RF33 series solid-state contactor, 1-pole, rated AC-1 / 20 A at 40 °C. It accepts a universal control voltage of 24-230 V AC/DC, and specifically 24 V DC for the logic input. The contactor is designed as short-circuit-proof when paired with a B-curve miniature circuit breaker, and terminates via screw terminals. The AC-1 / 20 A rating at 40 °C means this contactor handles resistive loads — heaters, incandescent lighting, resistive banks — up to 20 A continuous without derating at typical panel ambient. If you're switching motor loads (AC-3 duty), you'll need to derate significantly; this is a 1-pole device, so single-phase resistive switching is its sweet spot. The universal control voltage (24-230 V UC) covers both AC and DC control circuits. The 24 V DC low end pulls in reliably on a standard 24 VDC PLC output without a dropping resistor. Short-circuit-proof with B-curve MCB means you don't need a separate upstream fuse for semiconductor protection — the B-curve breaker's fast trip characteristic limits let-through energy below the thyristor's I²t rating. Saves a fuse holder and a line item on the BOM. ## Compliance and shipping reality RoHS compliant since 15-Jan-2024, with a REACH Article 33 notification for Lead (CAS 7439-92-1) above 0.1% w/w in one or more homogenous materials. Packaging dimensions are 105 x 27 x 122 mm, single unit.","metaTitle":"Siemens 3RF3320-1DA02 SIRIUS 3RF33 solid-state contactor, 20","metaDescription":"Siemens 3RF3320-1DA02 SIRIUS solid-state contactor, 1-pole, 20 A AC-1 at 40°C, 24-230 V UC / 24 V DC control, screw terminals. Active production. RoHS/REACH data available.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Solid State Relays"],"specifications":{"title":"3RF3320-1DA02","Group Code":"R711","description":"solid-state contactor 1-pole 3RF3 AC-1 / 20 A / 40 °C 24-230 V / 24 V DC short-circuit-proof with B miniature circuit breaker screw terminal","Product Group":"3725","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 3RF33 solid-state contactors, 1-pole","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : 9N9999","Packaging dimensions (L x W x H)":"105.00 x 27.00 x 122.00 mm","Compliance with the substance restrictions according to RoHS directive":"Since: 15-01-24","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/2e0c03327fd0e9c2a6d1f07c3e7b4e6f.pdf","sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/3RF3320-1DA02?tree=CatalogTree"},"ai":{"faq":[{"question":"What is the group code and product group for this item?","answer":"The Siemens Group Code is R711, and the Product Group is 3725. These are Siemens internal classification codes used for catalog organization and cross-referencing within their SIRIUS product family."},{"question":"What control voltage does this contactor accept?","answer":"It accepts a universal control voltage of 24-230 V AC/DC, and specifically 24 V DC for the logic input. This covers both standard 24 VDC PLC outputs and higher-voltage AC control circuits from a single part number."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RF3320-1DA02","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/3RF3320-1DA02 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}