{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5740-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5740-0","canonicalUrl":"https://aoctrl.com/siemens/5TT5740-0","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5740-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON Insta contactor, 5TT5740-0, 4 NO contacts, rated 40 A at 230 V AC, coil 230 V AC / 220 V DC, IP20, 3 width units.","salesMarkdown":"The coil accepts both AC (230 V) and DC (220 V) actuation, which simplifies panel wiring when a single control supply must drive contactors on mixed-voltage circuits. Snap-on DIN rail mounting per EN 60715. The 54 mm width (3 width units) and 71 mm depth fit standard 160 mm deep enclosures. Installation depth of 64 mm leaves clearance behind the panel door for wiring ducts and terminal blocks.","metaTitle":"Siemens 5TT5740-0 SENTRON Insta Contactor, 40 A 230 V 4 NO","metaDescription":"Siemens 5TT5740-0 SENTRON Insta contactor, 4 NO contacts, rated 40 A at 230 V AC, coil 230 V AC / 220 V DC. IP20, 3 width units. Current production, available to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"71 mm","Width":"54 mm","Height":"90 mm","Maximum":"440 V","Minimum":"440 V","Rated Value":"230 V","lifecycle_stage":"current","Installation depth":"64 mm","Product brand name":"SENTRON","Product designation":"Insta contactors","Protection class IP":"IP20","at DC / rated value":"220 V","Number of NC contacts":"0","Number of NO contacts":"4","Number of width units":"3","Rated Value / Maximum":"230 V","acc. to DIN EN 61346-2":"Q","acc. to DIN EN 81346-2":"Q","Current / at AC / rated value":"40 A","Operating current / rated value":"40 A","Type of voltage / for actuation":"AC/DC","Type of voltage / of the operating voltage":"AC","Switching capacity active power / with filament lamp load":"3 000 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=388238&mlfb=5TT5740-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5740-0/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings of the 5TT5740-0?","answer":"Rated 40 A at 230 V AC, maximum 440 V AC, 4 NO contacts, coil 230 V AC / 220 V DC, IP20, 3 width units (54 mm wide)."},{"question":"Where can I buy the 5TT5740-0?","answer":"Sourced and quoted to order against an RFQ through independent industrial-automation distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5740-0","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/5TT5740-0 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}}