{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S273-C20","brand":"ABB","brandSlug":"abb","productSlug":"S273-C20","canonicalUrl":"https://aoctrl.com/abb/S273-C20","factsUrl":"https://aoctrl.com/api/mcp/products/S273-C20","rawCanonicalId":null},"summary":{"shortDescription":"ABB S273-C20, DIN Rail Mount Circuit Breaker, 20 A, current production, 0.32 kg.","salesMarkdown":"The 20 A rating suits it for lighting, receptacle, or small motor branch circuits in a 230/400 VAC distribution board. Keep an eye on the thermal derating curve if you're packing multiple breakers side-by-side in a sealed enclosure — the 20 A is at 30 °C ambient; above that you'll need to reduce the load. The S273-C20 shares the same physical footprint and DIN-rail mount as the S273-K6A (6 A) and S273-K40A (40 A) siblings. The C-curve trip characteristic (5–10× In) on the C20 is the same magnetic trip profile used across the S273-C range — no difference in the mechanism, just the thermal element. If you're swapping from a K6A to a C20, the rail clip and wiring terminals are identical; the only change is the overcurrent pickup point.","metaTitle":"ABB S273-C20 DIN Rail Circuit Breaker, 20 A","metaDescription":"ABB S273-C20 DIN rail circuit breaker, 20 A. Current production status. Sourced to order against RFQ. 0.32 kg. Circuit Breakers, Fuses & Protection category.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Part #":"S273-C20","Weight":"0.32 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":"$135.66","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S273-C20/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the S273-C20?","answer":"The S273-C20 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the S273-C20's weight?","answer":"The listed weight is 0.32 kg — a standard single-module DIN-rail breaker, no special shipping considerations."},{"question":"Will the S273-C20 drop into a panel wired for the S273-K6A?","answer":"Yes. Both share the same S273-series housing, DIN-rail clip, and terminal layout. The only difference is the 20 A thermal rating versus 6 A — wiring and footprint are identical."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S273-C20","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/S273-C20 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}}