{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S803U-K90","brand":"ABB","brandSlug":"abb","productSlug":"S803U-K90","canonicalUrl":"https://aoctrl.com/abb/S803U-K90","factsUrl":"https://aoctrl.com/api/mcp/products/S803U-K90","rawCanonicalId":null},"summary":{"shortDescription":"ABB S803U-K90 MCB, S800 series, 3-pole, K-curve, 90 A, current lifecycle.","salesMarkdown":"The K-curve is designed for motor and inductive loads, tripping between 10× and 14× In, which means it handles inrush currents from motors and transformers without nuisance tripping. The S800 platform is a high-density DIN-rail mount design, so it slots into a standard panel enclosure alongside other modular devices.","metaTitle":"ABB S803U-K90 MCB S800 3P K 90A, current lifecycle","metaDescription":"ABB S803U-K90 MCB, S800 series, 3-pole, K-curve, 90 A. Lifecycle stage: current. Sourced to order against an RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3331555588ad68314b33e8cee82593ea.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S803U-K90/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy S803U-K90 and how do I get a price?","answer":"The S803U-K90 is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"What is S803U-K90's listed lifecycle stage?","answer":"The listed lifecycle stage for the S803U-K90 is current."},{"question":"What is S803U-K90's listed description?","answer":"The listed description is ABBTB S803U-K90 MCB S800 3P K 90A."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S803U-K90","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/S803U-K90 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}}