{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9356-7CN50","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9356-7CN50","canonicalUrl":"https://aoctrl.com/siemens/5SU9356-7CN50","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9356-7CN50","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SU9356-7CN50 RCBO, 1P+N, Icn: 6 kA, Type A, 30 mA, C-Char, In: 50 A, Un AC: 230V.","salesMarkdown":"The Siemens 5SU9356-7CN50 is an RCBO — a residual current circuit breaker with integrated overcurrent protection — combining a 30 mA Type A RCD with a C-characteristic MCB rated at 50 A, all in a single 1P+N module. Type A detection handles sinusoidal AC and pulsating DC residual currents, which covers most modern electronics and variable-speed drives you'd find in a residential or light commercial final subcircuit. The C-curve trips between 5 and 10 times rated current — so 250 to 500 A for this 50 A unit — which suits inductive loads like motor starters, pumps, or small compressors that draw an inrush surge on startup. It's a DIN-rail mount device, so it clips straight into a standard distribution board or panel enclosure alongside other modular devices. If you're filling a panel or a line-down RCBO swap, this is a live part you can specify with confidence.","metaTitle":"Siemens 5SU9356-7CN50 RCBO, 6 kA, Type A, 30 mA, C-Char, 50","metaDescription":"Siemens 5SU9356-7CN50 RCBO, 1P+N, 6 kA breaking capacity, Type A, 30 mA residual current, C characteristic, 50 A rated current, 230 V AC. Current production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/79f6610cfebb3bc98ed563eb1e55c601.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1440234&mlfb=5SU9356-7CN50","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9356-7CN50/alternatives.json"},"ai":{"faq":[{"question":"What does the 6 kA breaking capacity mean for my panel?","answer":"The 6 kA Icn rating at 230 V AC means this RCBO can safely interrupt a fault current up to 6,000 A without failing. In a typical domestic or light commercial distribution board with a 6 kA upstream main breaker, it coordinates properly — the RCBO clears its own faults without relying on the upstream device."},{"question":"What loads is the C-curve and 50 A rating suited for?","answer":"The C-characteristic (5-10x In trip band) and 50 A rating make it a fit for inductive loads like motor starters, pumps, compressors, or groups of fluorescent lighting — anything with a startup surge that would nuisance-trip a B-curve breaker."},{"question":"Where can I buy the 5SU9356-7CN50?","answer":"This RCBO is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commitment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9356-7CN50","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/5SU9356-7CN50 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}}