{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S203M-C50","brand":"ABB","brandSlug":"abb","productSlug":"S203M-C50","canonicalUrl":"https://aoctrl.com/abb/S203M-C50","factsUrl":"https://aoctrl.com/api/mcp/products/S203M-C50","rawCanonicalId":null},"summary":{"shortDescription":"ABB S200M series, S203M-C50 miniature circuit breaker, 3-pole, 50 A, Trip Curve C, 277 VAC / 125 VDC, DIN rail mount.","salesMarkdown":"## Rated 50 A, Curve C — what that means for the panel The ABB S203M-C50 is a 3-pole miniature circuit breaker from the S200M series, rated 50 A with a Trip Curve C characteristic. That curve means it trips at 5 to 10 times rated current — standard for general-purpose loads like lighting, small motor circuits, and distribution sub-panels where moderate inrush is expected but not the high surge of motor-starting (which would call for Curve D). Its interrupting rating is 6 kA at 277 VAC and 10 kA at 125 VDC. The 6 kA AC figure is typical for branch-circuit protection in residential and light commercial panels where the available fault current stays under that threshold. The DC rating at 125 VDC covers control-circuit and battery-backed loads.","metaTitle":"ABB S203M-C50 S200M MCB, 50 A, 3-Pole, Curve C, DIN Rail","metaDescription":"ABB S203M-C50 S200M miniature circuit breaker, 50 A rated, 3-pole, Trip Curve C, 6 kA interrupting at 277 VAC. DIN rail mount. Current lifecycle. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Amps":"50","Type":"Trip Curve C","Poles":"3","title":"S203M-C50","Mounting":"DIN Rail","Volts AC":"277","Volts DC":"125","description":"ABB S203M-C50 S200M MCB 230V 3 POLE|ABB S203MC50","lifecycle_stage":"current","Interrupt Rating AC":"6 kA","Interrupt Rating DC":"10 kA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$41.91","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f3efa8d6e98b4ce419d71660812a2032.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is S203M-C50's listed amps and trip curve?","answer":"The S203M-C50 is rated 50 A with Trip Curve C (trips at 5–10× rated current), 3-pole."},{"question":"What are the interrupting ratings for S203M-C50?","answer":"6 kA at 277 VAC and 10 kA at 125 VDC."},{"question":"Where can I buy S203M-C50 and how is it quoted?","answer":"The S203M-C50 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S203M-C50","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/S203M-C50 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}