{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY7350-8CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY7350-8CC","canonicalUrl":"https://aoctrl.com/siemens/5SY7350-8CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY7350-8CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY7CC series, 3-pole miniature circuit breaker, 50 A rated current, D tripping characteristic, 15 kA IEC breaking capacity, 400 V AC.","salesMarkdown":"The Siemens SENTRON 5SY7350-8CC is a 3-pole miniature circuit breaker rated 50 A at 400 V AC with a D tripping characteristic. The D curve means it tolerates high inrush currents — typically used for motor, transformer, or welding loads where the starting surge would nuisance-trip a B or C curve. The IEC 60947-2 breaking capacity is 15 kA, so it can safely interrupt fault currents up to that level without upstream cascading. For UL 1077 / CSA C22.2 No. 235 supplementary protection applications, the interrupting rating is 5 kA. ## Integration and Mounting Snaps onto DIN rail via the quick assembly system — 3 width units (54 mm wide). Mounting position is any, so vertical or horizontal panel layouts work. The 76 mm depth and 70 mm installation depth fit standard distribution boards. Terminals accept solid or stranded conductors from 0.75 to 35 mm²; tightening torque is 2.5 to 3.5 N·m. Both top and bottom terminals are combined (line/load reversible), and the unit is sealable for tamper-evident installations. ## Sourcing and Availability This is an active-production Siemens SENTRON MCB. Sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing confirmed at quote time.","metaTitle":"Siemens SENTRON 5SY7350-8CC MCB, 3P, 50 A, D Curve, 15 kA IE","metaDescription":"Siemens SENTRON 5SY7350-8CC miniature circuit breaker, 3-pole, 50 A, D tripping characteristic, 15 kA breaking capacity per IEC 60947-2. Current production. Sourced to order agains","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Solid":"0.75 ... 35 mm²","Width":"54 mm","Height":"90 mm","Sealable":"Yes","Stranded":"0.75 ... 35 mm²","Rated Value":"50/60 Hz","Halogen-Free":"Yes","Silicon-Free":"Yes","Wertebereich":"-25 ... +55 °C","Mounting type":"Quick assembly system","Number of poles":"3","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-40 ... +75 °C","Product designation":"Miniature circuit breaker","Protection class IP":"IP20, with connected conductors","at AC / rated value":"400 V","Overvoltage category":"III","Combined Terminal Top":"Yes","Number of width units":"3","Number of poles / Note":"3P","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","Combined Terminal Bottom":"Yes","circuit-breaker / Design":"5SY7CC","Suitability for operation":"Mechanical engineering / industry","Current / at AC / rated value":"50 A","Tripping characteristic class":"D","at DC / rated value / maximum":"72 V","Position / of power supply cord":"Any","acc. to IEC 60947-2 / rated value":"15 kA","Product feature / Touch protection":"Yes","Influence of the surrounding temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","at AC / acc. to UL 1077 and CSA C22.2 No.235":"5 kA","Tightening torque / with screw-type terminals":"2.5 ... 3.5 N·m","Product function / neutral conductor switching":"No","with multi-phase operation / at AC / rated value":"440 V","with single-phase operation / at AC / rated value":"440 V","Mechanical service life (switching cycles) / typical":"10 000","Tightening torque [lbf·in] / with screw-type terminals":"22 ... 31 lbf·in"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/53e6b92d68ce593a3b5f8ab1efd93c3d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=260899&mlfb=5SY7350-8CC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY7350-8CC/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SY7350-8CC?","answer":"15 kA per IEC 60947-2 at 400 V AC, and 5 kA per UL 1077 / CSA C22.2 No. 235."},{"question":"What wire sizes does 5SY7350-8CC accept?","answer":"Solid or stranded conductors from 0.75 to 35 mm². Tightening torque is 2.5 to 3.5 N·m."},{"question":"Where can I buy 5SY7350-8CC?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time."},{"question":"Will 5SY7350-8CC drop into a panel specified around 5SY6613-8?","answer":"Both are 3-pole SENTRON MCBs on DIN rail, but the 5SY7350-8CC is a 50 A D-curve device with 15 kA IEC breaking capacity, while the 5SY6613-8 is a different rating and curve — verify the existing panel's specified current, curve, and breaking capacity before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY7350-8CC","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/5SY7350-8CC 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}}