{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S281-NA-B20","brand":"ABB","brandSlug":"abb","productSlug":"S281-NA-B20","canonicalUrl":"https://aoctrl.com/abb/S281-NA-B20","factsUrl":"https://aoctrl.com/api/mcp/products/S281-NA-B20","rawCanonicalId":null},"summary":{"shortDescription":"ABB S281-NA-B20, DIN Rail Mount Circuit Breaker, current lifecycle stage, 0.27 kg.","salesMarkdown":"ABB S281-NA-B20, DIN Rail Mount Circuit Breaker, current lifecycle stage, 0.27 kg.","metaTitle":"ABB S281-NA-B20 DIN Rail MCB, Current Production","metaDescription":"ABB S281-NA-B20 DIN rail miniature circuit breaker, 0.27 kg, current lifecycle stage. Sourced to order against RFQ. Request quote for pricing and availability.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Part #":"S281-NA-B20","Weight":"0.27 kgs","Category":"Circuit Breakers","Sub Category":"Din Rail Mount Circuit Breakers","Top Category":"Circuit Breakers, Fuses & Protection","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$27.99","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S281-NA-B20/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the S281-NA-B20 and get current pricing?","answer":"The S281-NA-B20 is sourced and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"Will the S281-NA-B20 drop into a panel specified for the S273-K40A?","answer":"No, the S273-K40A is a wider multi-pole MCB (0.45 kg) with a K-curve at 40 A, while the S281-NA-B20 is a single-module B-curve unit at 20 A. They share DIN-rail mounting but differ in pole count, trip curve, and current rating — panel rework is required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S281-NA-B20","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/S281-NA-B20 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}}