{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5850-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5850-0","canonicalUrl":"https://aoctrl.com/siemens/5TT5850-0","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5850-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON Insta contactor, 5TT5850-0, 4 NO contacts, 230 V AC coil, 440 V max, 63 A, IP20, 3 MW.","salesMarkdown":"## Siemens 5TT5850-0 SENTRON Insta Contactor — 4 NO, 230 V AC Coil The Siemens 5TT5850-0 is a SENTRON Insta contactor with 4 normally open (NO) contacts, designed for switching loads on 230 V AC control circuits and up to 440 V mains. The 230 V AC coil pulls in reliably; the 4 NO contact set handles resistive loads such as incandescent lamp banks up to 5000 W. Rated for 63 A at 400 V, this is a panel-mount contactor sized for lighting, heater, and general switching duty in commercial or light industrial distribution boards. The 5TT5850-0 occupies 3 modular width units (54 mm wide) on a DIN rail, with a depth of 71 mm and height of 90 mm. IP20 finger-safe enclosure suits installation inside a sealed panel. The manufacturer notes that spacers are required between units for heat dissipation — factor that into panel layout when stacking multiple contactors. Supplementary devices (auxiliary contact blocks, suppressors) can be added via the product extension interface. Power loss per pole runs 8 W in hot operating state at rated current — a consideration for thermal budget in a densely packed enclosure. The contactor is AC-only for both coil and main circuit; no DC rating is specified. With 0 NC contacts, this is a straight make-only switching block. The 3-module width (54 mm) matches the footprint of a 3-pole MCB, allowing side-by-side placement with SENTRON breakers in a distribution board. The 71 mm depth leaves clearance for wiring ducts behind the rail. Spacers between units are mandatory — do not skip them; the contactor relies on convective airflow between bodies to shed the 8 W per pole. The 4 NO contacts are electrically isolated from the coil circuit. Wire termination accepts standard screw-clamp terminals; torque specifications follow Siemens SENTRON installation guidelines. The IP20 housing requires the panel door to provide the environmental seal.","metaTitle":"Siemens 5TT5850-0 SENTRON Insta Contactor, 4 NO, 230V AC Coi","metaDescription":"Siemens 5TT5850-0 SENTRON Insta contactor, 4 normally open contacts, 230 V AC coil, 440 V max, 63 A switching capacity. IP20. Active production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"71 mm","Width":"54 mm","title":"5TT5850-0","Height":"90 mm","Maximum":"440 V","Minimum":"440 V","Rated Value":"230 V","description":"INSTA contactor with 4 NO contacts Contact for 230 V AC, 400V 63A Control 230 V AC","lifecycle_stage":"current","Installation Depth":"0 mm","Product Brand Name":"SENTRON","Product Designation":"Insta contactor","Rated Value Maximum":"230 V","protection class IP":"IP20","Design Of The Product":"4 NO contacts","number of NC contacts":"0","number of NO contacts":"4","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/06e3c4ca4a12cfb4b70e876f04fa3842.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=515329&mlfb=5TT5850-0"},"ai":{"faq":[{"question":"Does the 5TT5850-0 require any special installation considerations?","answer":"Yes — the manufacturer specifies that spacers must be provided between units to ensure adequate heat dissipation. The contactor dissipates 8 W per pole in hot operating state, so thermal derating in enclosed panels should be checked."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5850-0","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/5TT5850-0 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}}