{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5831-8","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5831-8","canonicalUrl":"https://aoctrl.com/siemens/5TT5831-8","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5831-8","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON insta contactor, 5TT5831-8, 3 NO + 1 NC contacts, rated 400 V, 25 A, 24 V AC coil, IP20, 2 modular width units.","salesMarkdown":"The Siemens SENTRON 5TT5831-8 is an insta contactor with a 3 NO + 1 NC contact configuration, designed for switching loads up to 400 V and 25 A. The coil is 24 V AC, making it a standard fit for control transformers or PLC relay outputs in a panel. The 400 V / 25 A rating means it handles motor loads, resistive heaters, and lighting banks within that envelope — the 2 000 W incandescent lamp load rating gives a quick sizing rule for tungsten lighting circuits. At 2.2 W power loss per pole in hot operating state, the heat adds up across a multi-pole contactor; the installation note calls for spacers to ensure heat dissipation, so don't pack it tight against other devices on the DIN rail without airflow gaps. The IP20 protection class means it's intended for enclosure mounting, not exposed or washdown areas. Provision must be made for spacers to ensure heat dissipation — a practical point for panel builders: leave a few millimeters between this contactor and adjacent heat-generating components, or the thermal rise can shorten coil life. Supplementary devices can be installed, so add auxiliary contact blocks or surge suppressors as needed without replacing the base unit.","metaTitle":"Siemens 5TT5831-8 SENTRON Insta Contactor, 3NO+1NC, 400V 25A","metaDescription":"Siemens SENTRON 5TT5831-8 insta contactor, 3 NO + 1 NC contacts, rated 400V 25A, 24V AC coil. IP20, 2 MW units. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"71 mm","Width":"36 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":"3 NO contacts 1 NC contact","number of NC contacts":"1","number of NO contacts":"3","Installation Or Assembly Note":"provision must be made for spacers to ensure heat dissipation","Number Of Modular Width Units":"2","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":"2 000 W","power loss [W] for rated value of the current at AC in hot operating state per pole":"2.2 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/52029d07a9b96329537785cdcf626163.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=260205&mlfb=5TT5831-8","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5831-8/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5TT5831-8?","answer":"The 5TT5831-8 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 is 5TT5831-8's listed depth and width?","answer":"The 5TT5831-8 has a depth of 71 mm and a width of 36 mm, occupying 2 modular width units on a DIN rail."},{"question":"What compliance documentation does this brand provide for 5TT5831-8?","answer":"As a Siemens SENTRON product, the 5TT5831-8 carries standard CE marking for the European market. For specific declarations (RoHS, REACH, UL file number), the manufacturer's documentation is available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5831-8","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/5TT5831-8 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}}