{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4603-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4603-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SY4603-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4603-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY4603-7CC, miniature circuit breaker, 4-pole (3P+N), C-curve, 3 A rated current, 10 kA breaking capacity at 400 V AC per EN 60898, IP20 with connected conductors.","salesMarkdown":"The Siemens 5SY4603-7CC is a SENTRON 5SY4CC-series miniature circuit breaker — a 4-pole (3P+N), C-curve device rated at 3 A with a 10 kA breaking capacity at 400 V AC per EN 60898. ## Panel fit and terminal work Terminals accept solid or stranded copper from 0.75 mm² up to 35 mm², with a tightening torque of 2.5 to 3.5 N·m. Both top and bottom terminals are combined (line/load reversible), and the unit is sealable for anti-tamper applications. ## Environment and approvals The IP20 rating applies with conductors connected — the front face is touch-protected. Breaking capacity is 10 kA per EN 60898 at 400 V AC, and 5 kA per UL 1077 / CSA C22.2 No. 235. Overvoltage category III, energy limiting class 3.","metaTitle":"Siemens 5SY4603-7CC SENTRON MCB, 4P C-curve 3A, 10kA","metaDescription":"Siemens 5SY4603-7CC SENTRON miniature circuit breaker, 4-pole, C-curve, 3 A rated current, 10 kA breaking capacity per EN 60898. Current lifecycle stage. Order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["4-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Solid":"0.75 ... 35 mm²","Width":"72 mm","title":"5SY4603-7CC","Height":"90 mm","Sealable":"Yes","Stranded":"0.75 ... 35 mm²","Rated Value":"50/60 Hz","description":"Miniature circuit breaker 400 V 10kA, 3+N-pole, C, 3 A","Halogen-Free":"Yes","Silicon-Free":"Yes","Mounting type":"Quick assembly system","During Storage":"-40 ... +75 °C","Number of poles":"4","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-25 ... +55 °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","Energy limiting class":"3","Number of width units":"4","Number of poles / Note":"3P+N","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","Combined Terminal Bottom":"Yes","circuit-breaker / Design":"5SY4CC","Suitability for operation":"Mechanical engineering / industry","Current / at AC / rated value":"3 A","Tripping characteristic class":"C","at DC / rated value / maximum":"72 V","acc. to EN 60898 / rated value":"10 kA","Position / of power supply cord":"Any","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":"Yes","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/97c7dec06bd261ba0acba01a11b923d9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=2337&mlfb=5SY4603-7CC"},"ai":{"faq":[{"question":"Where can I buy 5SY4603-7CC and how do I get a price?","answer":"The 5SY4603-7CC is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is 5SY4603-7CC's listed depth?","answer":"Overall depth is 76 mm; installation depth (behind the panel face) is 70 mm."},{"question":"What conductor sizes does the 5SY4603-7CC accept?","answer":"Terminals accept solid or stranded copper from 0.75 mm² up to 35 mm²."},{"question":"What compliance documentation does Siemens provide for 5SY4603-7CC?","answer":"The part carries EN 60898 (10 kA) and UL 1077 / CSA C22.2 No. 235 (5 kA) breaking capacity ratings. It is halogen-free, silicon-free, and rated overvoltage category III."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4603-7CC","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/5SY4603-7CC 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}}