{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL4163-0RC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL4163-0RC","canonicalUrl":"https://aoctrl.com/siemens/5SL4163-0RC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL4163-0RC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SL4163-0RC, 1-pole miniature circuit breaker, 63 A rated current, Z characteristic, 10 kA breaking capacity.","salesMarkdown":"## What the Z Characteristic Means for Your Circuit The 5SL4163-0RC: The Z trip curve is the most sensitive standard MCB characteristic — it trips between 2.5× and 4× In (roughly 158 A to 252 A for this 63 A unit). That makes it the correct choice for protecting semiconductor circuits, control transformers, and electronic loads where standard B- or C-curve breakers would allow damaging overcurrents to persist too long. ## Panel Integration and DIN-Rail Fit Single-pole width (1 module at 18 mm) on standard DIN rail EN 60715. The 63 A rating means the outgoing conductor needs to be sized accordingly — typically 16 mm² Cu for the load side. The Z-curve MCB is physically interchangeable with any other 1-pole 5SL4 unit in the same distribution board, so swapping in a B- or C-curve for a different load type is straightforward without re-wiring the busbar. Because the lifecycle stage is confirmed current, this part is sourced through standard Siemens distribution.","metaTitle":"Siemens 5SL4163-0RC Miniature Circuit Breaker 63A 1P Z 10kA","metaDescription":"Siemens 5SL4163-0RC miniature circuit breaker, 63A 1-pole Z characteristic 10kA. Active production. Quoted to order. Sourced through independent distribution.","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/d3a30929ca482250edf88c9e09fac166.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1502366&mlfb=5SL4163-0RC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL4163-0RC/alternatives.json"},"ai":{"faq":[{"question":"What is the 5SL4163-0RC used for?","answer":"It is a 1-pole miniature circuit breaker with Z characteristic, rated 63 A with 10 kA breaking capacity. The Z curve is designed for semiconductor and electronic load protection where fast tripping at low overcurrent multiples is required."},{"question":"Where can I buy the 5SL4163-0RC and get a price?","answer":"This part is sourced through independent distribution and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time — submit an inquiry for a firm commercial offer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL4163-0RC","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/5SL4163-0RC 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}}