{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4605-8CV","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4605-8CV","canonicalUrl":"https://aoctrl.com/siemens/5SY4605-8CV","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4605-8CV","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SY4605-8CV, miniature circuit breaker (MCB), 3-pole + neutral, D0.5 characteristic, Icu=15kA at 400V AC.","salesMarkdown":"## What this MCB covers The Siemens 5SY4605-8CV is a miniature circuit breaker (MCB) with a rated short-circuit breaking capacity Icu of 15 kA at 400 V AC, configured as 3-pole plus neutral (3P+N) and a D0.5 tripping characteristic. The D0.5 characteristic (0.5 A rated current, D curve) is the deciding spec for the load: it protects a circuit drawing half an amp, and the D curve (10–20× In magnetic trip) handles the startup surge of a small control transformer, relay coil, or indicator lamp bank without popping on energisation. The 3P+N configuration means it switches all three phases and the neutral is switched as well — common in industrial sub-distribution where the neutral must be isolated for safety or selectivity.","metaTitle":"Siemens 5SY4605-8CV MCB, 15kA 400V 3P+N D0.5","metaDescription":"Siemens 5SY4605-8CV miniature circuit breaker, 15kA interrupting capacity at 400V, 3P+N, D0.5 curve. Current lifecycle stage. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f7fc3b4c15f57e5195e2e31f29c3e6fb.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1531687&mlfb=5SY4605-8CV","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY4605-8CV/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting capacity of 5SY4605-8CV?","answer":"The rated short-circuit breaking capacity Icu is 15 kA at 400 V AC, as stated in the product description."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4605-8CV","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/5SY4605-8CV 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}}