{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5852-2","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5852-2","canonicalUrl":"https://aoctrl.com/siemens/5TT5852-2","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5852-2","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON Insta contactor, 5TT5852-2, 2 NO + 2 NC contacts, 440 V 63 A switching, 24 V AC coil, IP20, 3 modular width units.","salesMarkdown":"The Siemens 5TT5852-2 is a SENTRON Insta contactor rated for 63 A at 440 V AC, with a 24 V AC coil and a contact configuration of 2 normally-open and 2 normally-closed poles. The 63 A rating at 440 V AC means this contactor handles motor loads, resistive heating banks, and lighting circuits up to that current in an AC distribution panel. The 24 V AC coil keeps control voltage low-voltage for safety, common in building automation and industrial control cabinets where a separate 24 V AC control transformer feeds the coil bus. For incandescent lamp loads, the switching capacity is rated at 5 000 W — useful for large lighting contactor panels in commercial or industrial lighting zones where tungsten inrush is a factor. ## Mounting and thermal management The installation note explicitly requires spacers between units to ensure heat dissipation — this is not optional. With 8 W power loss per pole in hot operating state at rated AC current, stacking contactors without the specified air gap will derate the assembly or cause nuisance tripping of upstream protection. Dimensions: 71 mm depth, 54 mm width (3 MW), 90 mm height.","metaTitle":"Siemens 5TT5852-2 SENTRON Insta Contactor, 63A 440V 24V AC 2","metaDescription":"Siemens 5TT5852-2 SENTRON Insta contactor, 63A at 440V AC, 24V AC coil, 2NO+2NC contacts, IP20, 3MW. Active production. Available to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"71 mm","Width":"54 mm","Height":"90 mm","Maximum":"440 V","Minimum":"440 V","Rated Value":"24 V","lifecycle_stage":"current","Installation Depth":"0 mm","Product Brand Name":"SENTRON","Product Designation":"Insta contactor","Rated Value Maximum":"24 V","protection class IP":"IP20","Design Of The Product":"2 NO contacts 2 NC contacts","number of NC contacts":"2","number of NO contacts":"2","Installation Or Assembly Note":"provision must be made for spacers to ensure heat dissipation","Number Of Modular Width Units":"3","Type Of Voltage Of The Operating Voltage":"AC","Product Extension Installable Supplementary Devices":"Yes","Type Of Voltage Of The Operating Voltage For Actuation":"AC","Switching Capacity Active Power With Incandescent Lamp Load":"5 000 W","power loss [W] for rated value of the current at AC in hot operating state per pole":"8 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/dc4f04887c3f6c5c7e5171cdcc0eeb2b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=298247&mlfb=5TT5852-2","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5852-2/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5TT5852-2 and how do I get a price?","answer":"The 5TT5852-2 is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing — no stock count or price figure is published here."},{"question":"What is 5TT5852-2's listed depth (71 mm) on this component line?","answer":"The depth is 71 mm, measured from the DIN-rail mounting surface to the front face. The installation depth is 0 mm — no additional rear projection beyond the rail."},{"question":"What is 5TT5852-2's listed width (54 mm) on this component line?","answer":"The width is 54 mm, which corresponds to 3 modular width units (each 18 mm) on a standard DIN-rail panel."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5852-2","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/5TT5852-2 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}}