{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5833-2","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5833-2","canonicalUrl":"https://aoctrl.com/siemens/5TT5833-2","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5833-2","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON insta contactor, 5TT5833-2, 4 NC contacts, 24 V AC coil, rated 440 V / 25 A, IP20, 2 MW incandescent lamp load capacity.","salesMarkdown":"The Siemens SENTRON 5TT5833-2 is an insta contactor with 4 normally-closed (NC) contacts, controlled by a 24 V AC coil. It's rated for 440 V and 25 A, making it suitable for switching resistive and incandescent lamp loads up to 2000 W. The 4 NC contacts mean this contactor is normally passing current when de-energized — it's the right choice for fail-safe circuits or loads that must stay powered unless the coil is actively pulled in. The 24 V AC coil is standard for building automation and panel control; verify your control transformer matches that voltage type (AC, not DC). Rated 440 V / 25 A on the main poles, with a switching capacity of 2000 W for incandescent lamp loads. That 2000 W figure is the practical limit for a bank of lamps — exceeding it risks contact welding on inrush. The 71 mm depth and 90 mm height fit inside a standard distribution board or control panel. Supplementary devices can be installed alongside it, so you can add auxiliary contacts or a surge suppressor if needed.","metaTitle":"Siemens SENTRON 5TT5833-2 Insta Contactor, 4 NC, 24V AC Coil","metaDescription":"Siemens SENTRON 5TT5833-2 insta contactor, 4 NC contacts, 24 V AC coil, rated 440 V / 25 A. Active production. IP20. 2 MW. Order to RFQ.","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":"4 NC contacts","number of NC contacts":"4","number of NO contacts":"0","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/7dc88782e5278eedb9a700860b92e433.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=150942&mlfb=5TT5833-2","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5833-2/alternatives.json"},"ai":{"faq":[{"question":"What are the key dimensions for panel layout?","answer":"Width is 36 mm (2 modular units), depth is 71 mm, height is 90 mm. It mounts on 35 mm DIN rail."},{"question":"What is the control voltage and type?","answer":"The coil is rated 24 V AC. Do not apply DC voltage — the coil is designed for AC actuation only."},{"question":"Does this contactor have normally-open contacts?","answer":"No. It has 4 normally-closed (NC) contacts and zero normally-open (NO) contacts. It's a fail-closed configuration."},{"question":"What is the switching capacity for lamp loads?","answer":"It's rated for 2000 W incandescent lamp load. That's the maximum active power it can switch; stay within that limit to avoid contact damage from inrush current."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5833-2","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/5TT5833-2 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}}