{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL7450-8RC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL7450-8RC","canonicalUrl":"https://aoctrl.com/siemens/5SL7450-8RC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL7450-8RC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SL7450-8RC, miniature circuit breaker, 415 V, 4-pole, 10 kA, D characteristic, 50 A.","salesMarkdown":"The Siemens 5SL7450-8RC is a 4-pole miniature circuit breaker (MCB) rated for 415 V with a 10 kA breaking capacity and a D tripping characteristic at 50 A. The D-curve characteristic means it tolerates high inrush currents typical of motor, transformer, and lighting loads, tripping between 10x and 20x rated current for short-circuit protection. The 10 kA breaking capacity at 415 V is the maximum fault current it can safely interrupt — sized for standard commercial and light industrial distribution panels where prospective short-circuit current stays under that threshold. The 4-pole format (3 phases + neutral) snaps onto standard DIN rail in the distribution board, occupying four modular-width spaces. Rated for 415 V line-to-line, it is the correct fit for three-phase 400 V TN and TT systems common across European and IEC-based installations.","metaTitle":"Siemens 5SL7450-8RC MCB, 415V 4-Pole 10kA D 50","metaDescription":"Siemens 5SL7450-8RC miniature circuit breaker, 415V 4-pole 10kA D 50. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"title":"5SL7450-8RC","description":"Miniature circuit breaker 415 V 4-pole 10 kA D 50","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/a19c70b99fe5c4f43a7220d0458aaf41.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=646417&mlfb=5SL7450-8RC"},"ai":{"faq":[{"question":"What is the 5SL7450-8RC used for?","answer":"It is a miniature circuit breaker for overcurrent and short-circuit protection in 415 V three-phase circuits, with a D-curve suited for motor and transformer loads drawing high inrush current."},{"question":"Where can I buy the 5SL7450-8RC?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"What is the breaking capacity of the 5SL7450-8RC?","answer":"The breaking capacity is 10 kA at 415 V, which is the maximum fault current the breaker can safely interrupt."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL7450-8RC","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/5SL7450-8RC 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}}