{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5741-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5741-0","canonicalUrl":"https://aoctrl.com/siemens/5TT5741-0","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5741-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON Insta contactor, 3 NO + 1 NC, 40 A AC rated, 230 V AC / 220 V DC coil, IP20, 54 x 71 x 90 mm.","salesMarkdown":"The Siemens 5TT5741-0 is a SENTRON Insta contactor with a 3 NO + 1 NC contact arrangement, rated for 40 A at 230 V AC operating voltage. The coil accepts both AC and DC actuation — 230 V AC or 220 V DC — so it can be driven from a standard control transformer or a 220 V DC battery-backed supply without an intermediate relay, provided that the coil dropout characteristic matches the protection logic's undervoltage release scheme. The 40 A AC-rated current makes it suitable for switching resistive and moderate inductive loads — heating elements, lighting banks, or small motor loads — within the thermal limits of a 3-module-wide DIN-rail footprint. The 64 mm installation depth and 71 mm overall depth fit standard 80 mm deep enclosures, leaving clearance for wiring behind the DIN rail.","metaTitle":"Siemens 5TT5741-0 SENTRON Insta Contactor, 40 A, 230 V AC","metaDescription":"Siemens 5TT5741-0 SENTRON Insta contactor, 40 A rated current, 230 V AC coil, 3 NO + 1 NC contacts, IP20. Current production. Sourced 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","Design of the product":"3 NO contacts 1 NC contact","Number of NC contacts":"1","Number of NO contacts":"3","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":"$154.71","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=21145&mlfb=5TT5741-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5741-0/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings of the 5TT5741-0?","answer":"The 5TT5741-0 is a SENTRON Insta contactor rated for 40 A at 230 V AC operating voltage, with a maximum operating voltage of 440 V AC. It has 3 normally open and 1 normally closed contacts, and the coil accepts 230 V AC or 220 V DC actuation."},{"question":"What is the physical size of the 5TT5741-0?","answer":"The 5TT5741-0 measures 54 mm wide, 71 mm deep, and 90 mm high, with an installation depth of 64 mm. It occupies 3 width units on a DIN rail."},{"question":"Where can I buy the 5TT5741-0?","answer":"The 5TT5741-0 is sourced and quoted to order against an RFQ through independent 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/5TT5741-0","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/5TT5741-0 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}}