{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5TT5751-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5TT5751-0","canonicalUrl":"https://aoctrl.com/siemens/5TT5751-0","factsUrl":"https://aoctrl.com/api/mcp/products/5TT5751-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON insta contactor, 5TT5751-0, 3 NO + 1 NC contacts, 63 A rated current, coil 230 V AC / 220 V DC, IP20.","salesMarkdown":"## Siemens SENTRON 5TT5751-0 Insta Contactor The Siemens SENTRON 5TT5751-0 is an insta contactor with a contact configuration of 3 normally open and 1 normally closed contacts, rated for an operating current of 63 A. The coil is designed for 230 V AC or 220 V DC operation, making it suitable for switching resistive and moderate inductive loads in distribution panels. Rated for a maximum voltage of 440 V, this contactor handles line-to-line or line-to-neutral switching in common 230/400 V AC networks. The 63 A rated operating current (at AC) is the continuous current the main contacts can carry under normal load. For motor starting or lamp loads, the switching capacity for filament lamp loads is listed at 5 000 W, so this contactor can switch incandescent lighting banks up to that wattage without welding the contacts. The coil accepts both 230 V AC and 220 V DC, which is useful in panels where the control voltage may be either. The DC rating covers 220 V DC, common in some industrial and railway auxiliary circuits. The 3 NO + 1 NC contact arrangement gives three independent make contacts and one break contact, enough for a three-phase load plus a status feedback or interlock. The 90 mm height fits standard distribution board cutouts. The IP20 protection class means it must be installed inside a cabinet or enclosure that provides additional environmental protection.","metaTitle":"Siemens 5TT5751-0 SENTRON Insta Contactor, 63 A, 3NO+1NC","metaDescription":"Siemens SENTRON 5TT5751-0 insta contactor, 63 A rated current, 3 NO + 1 NC contacts, coil 230 V AC / 220 V DC, 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 contactor","at DC / rated value":"220 V","protection class IP":"IP20","Design Of The Product":"3 NO contacts 1 NC contact","Number Of Width Units":"3","Rated Value / Maximum":"230 V","number of NC contacts":"1","number of NO contacts":"3","acc. to DIN EN 61346-2":"Q","acc. to DIN EN 81346-2":"Q","Operating Current / Rated Value":"63 A","operating current / at AC / rated value":"63 A","Type Of Voltage / Of The Operating Voltage":"AC","Switching Capacity Active Power / With Filament Lamp Load":"5 000 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=108142&mlfb=5TT5751-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5TT5751-0/alternatives.json"},"ai":{"faq":[{"question":"What is the rated current of the Siemens 5TT5751-0?","answer":"The rated operating current is 63 A at AC, sufficient for switching three-phase loads up to that continuous current."},{"question":"What is the coil voltage for the 5TT5751-0?","answer":"The coil is rated for 230 V AC and also accepts 220 V DC, giving flexibility in control circuit design."},{"question":"Where can I buy the 5TT5751-0 and get a price?","answer":"This part 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/5TT5751-0","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/5TT5751-0 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}}