{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S801U-K90","brand":"ABB","brandSlug":"abb","productSlug":"S801U-K90","canonicalUrl":"https://aoctrl.com/abb/S801U-K90","factsUrl":"https://aoctrl.com/api/mcp/products/S801U-K90","rawCanonicalId":null},"summary":{"shortDescription":"ABB S800 series, MCB, 1-pole, K-curve, 90 A, order code S801U-K90.","salesMarkdown":"The K-curve is engineered for motor and inductive-load protection — it tolerates the inrush of a starting motor without nuisance tripping, then clears a hard fault fast. In a panel, that means you can size it for the running current, not the start surge.","metaTitle":"S801U-K90 MCB S800 1P K 90A, current lifecycle","metaDescription":"S801U-K90 MCB S800 1P K 90A from ABB. Lifecycle stage: current. Sourced to order against RFQ. Confirm availability and pricing at quote time.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/55ffd803b05e217f4bcf49769ebcac85.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S801U-K90/alternatives.json"},"ai":{"faq":[{"question":"What is S801U-K90 used for?","answer":"It is a 90 A single-pole MCB with a K-trip curve, designed to protect motor circuits and inductive loads from overcurrent and short circuits in a DIN-rail panel."},{"question":"Where can I buy S801U-K90?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for the latest position."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S801U-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/S801U-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}}