{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5731-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5731-0","canonicalUrl":"https://aoctrl.com/siemens/5TT5731-0","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5731-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON Insta contactor, 5TT5731-0, 3 NO + 1 NC contacts, 24 A rated current, 230 V AC / 220 V DC coil, 440 V max, IP20, 2 width units.","salesMarkdown":"The Siemens 5TT5731-0 is a SENTRON Insta contactor with a 3 NO + 1 NC contact arrangement, rated at 24 A for AC loads and actuated by either 230 V AC or 220 V DC. The IP20 enclosure suits clean, dry panel environments — typical for distribution boards and lighting control cabinets where the contactor switches resistive or moderate inductive loads. The 24 A rated current (at AC) tells you the continuous thermal current the main poles can carry without exceeding temperature rise limits. That figure governs the load you can switch — a bank of lighting, a small motor contactor pilot, or a resistive heater bank up to that current. The 230 V rated operating voltage and 440 V maximum reflect the coil and main circuit insulation class; the coil pulls from either AC or DC supply, which simplifies wiring in mixed-voltage panels. The 1 500 W switching capacity for filament lamp loads is a specific derated figure — incandescent inrush can be 10–15× steady current, so this rating confirms the contacts can handle that surge without welding.","metaTitle":"Siemens 5TT5731-0 SENTRON Insta Contactor, 24 A, 3 NO 1 NC","metaDescription":"Siemens SENTRON 5TT5731-0 Insta contactor, 24 A rated current, 3 NO + 1 NC contacts, 230/440 V AC, 220 V DC coil. IP20, 2 width units. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"71 mm","Width":"36 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":"2","Rated Value / Maximum":"230 V","acc. to DIN EN 61346-2":"Q","acc. to DIN EN 81346-2":"Q","Current / at AC / rated value":"24 A","Operating current / rated value":"24 A","Type of voltage / for actuation":"AC/DC","Type of voltage / of the operating voltage":"AC","Switching capacity active power / with filament lamp load":"1 500 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$33.55","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=431724&mlfb=5TT5731-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5731-0/alternatives.json"},"ai":{"faq":[{"question":"What are the key contact ratings for 5TT5731-0?","answer":"It carries 3 normally-open and 1 normally-closed contact, rated at 24 A AC operating current, with a maximum voltage of 440 V AC and a rated operating voltage of 230 V AC. The coil can be actuated by either 230 V AC or 220 V DC."},{"question":"Where can I buy the 5TT5731-0 and how is it quoted?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock count or price is listed here, but a quote request will return the current supply position."},{"question":"What is the physical size of the 5TT5731-0?","answer":"The contactor measures 36 mm wide, 90 mm high, and 71 mm deep, with an installation depth of 64 mm. It occupies 2 width units on a DIN rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5TT5731-0","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/5TT5731-0 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}}