{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY5103-7CC12","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY5103-7CC12","canonicalUrl":"https://aoctrl.com/siemens/5SY5103-7CC12","factsUrl":"https://aoctrl.com/api/mcp/products/5SY5103-7CC12","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SY5 series, MCB, 5SY5103-7CC12, 220V DC, 10kA, 1-pole, C3 characteristic.","salesMarkdown":"The Siemens 5SY5103-7CC12 is a 1-pole miniature circuit breaker from the 5SY5 series, rated for 220V DC with a 10kA breaking capacity and a C3 tripping characteristic. This is a DC-rated MCB, meaning it's designed to protect DC circuits — common in control panels, solar combiner boxes, or battery-backed DC bus systems — where standard AC breakers may not reliably extinguish the arc. The C3 characteristic (3x to 5x In magnetic trip) suits it for moderate inrush loads like contactor coils or small DC power supplies. The 220V DC rating is the key selection parameter here. Unlike an AC breaker, which relies on a zero-crossing to extinguish the arc, a DC breaker must sustain and quench a continuous arc.","metaTitle":"Siemens 5SY5103-7CC12 MCB, 220V DC 10kA 1P C3","metaDescription":"Siemens 5SY5103-7CC12 miniature circuit breaker, 220V DC, 10kA breaking capacity, 1-pole, C3 characteristic. Current lifecycle stage. Sourced to order against RFQ.","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/4728577766aa06d7a8de9c9e6a880073.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1265732&mlfb=5SY5103-7CC12","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY5103-7CC12/alternatives.json"},"ai":{"faq":[{"question":"What is the 5SY5103-7CC12 used for?","answer":"It is a 1-pole miniature circuit breaker rated for 220V DC with a 10kA breaking capacity and C3 characteristic, designed to protect DC circuits in control panels, solar combiner boxes, or battery-backed DC bus systems."},{"question":"Where can I buy the 5SY5103-7CC12?","answer":"This part 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":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY5103-7CC12","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/5SY5103-7CC12 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}}