{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S202MUC-K4","brand":"ABB","brandSlug":"abb","productSlug":"S202MUC-K4","canonicalUrl":"https://aoctrl.com/abb/S202MUC-K4","factsUrl":"https://aoctrl.com/api/mcp/products/S202MUC-K4","rawCanonicalId":null},"summary":{"shortDescription":"ABB S200MUC series, miniature circuit breaker (MCB), 2-pole, Trip Curve K, 4 A, 277 VAC / 500 VDC, 6 kA interrupting capacity AC, 10 kA DC, DIN rail mount.","salesMarkdown":"It's built for dual AC/DC operation — 277 VAC and 500 VDC — with a 6 kA interrupting capacity on the AC side and 10 kA on the DC side. Snaps onto standard DIN rail for panel integration. At 4 A it covers control-circuit protection for small contactors, relays, and PLC power supplies.","metaTitle":"S202MUC-K4 ABB MCB 2P K Curve 4A AC/DC, DIN Rail","metaDescription":"ABB S202MUC-K4 miniature circuit breaker, 2-pole, K-curve, 4 A, 277 VAC / 500 VDC, 6 kA interrupting capacity. Current production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["2-Pole MCB (DIN Rail)"],"specifications":{"Amps":"4","Type":"Trip Curve K","Poles":"2","Mounting":"DIN Rail","Volts AC":"277","Volts DC":"500","lifecycle_stage":"current","Interrupt Rating AC":"6 kA","Interrupt Rating DC":"10 kA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c41f9c1770a721d505711dd0aa0638c9.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S202MUC-K4/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting rating of the S202MUC-K4?","answer":"The S202MUC-K4 has a 6 kA interrupting capacity on AC circuits and 10 kA on DC circuits."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S202MUC-K4","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/S202MUC-K4 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}}