{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY5103-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY5103-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SY5103-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY5103-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY5103-7CC, 1-pole DC miniature circuit breaker, C-curve, 3 A, 220 V DC, 10 kA breaking capacity per IEC 60947-2.","salesMarkdown":"The Siemens SENTRON 5SY5103-7CC is a 1-pole DC miniature circuit breaker rated 3 A with a C-curve trip characteristic, designed for 220 V DC systems and tested to a 10 kA breaking capacity per IEC 60947-2. ## DC-rated MCB for control and auxiliary circuits This is a dedicated DC breaker — the operating voltage is DC only, with a maximum of 250 V DC and a rated DC value of 220 V. The quick assembly system and any-position mounting make it straightforward to fit into existing layouts. ## Physical fit and environmental specs Dimensions: 76 mm depth, 18 mm width, 90 mm height, installation depth 70 mm. IP20 with connected conductors. Operating temperature range spans -40 °C to 75 °C, with derated humidity limits: max 95% RH at 55 °C, tapering to 35% RH at 75 °C. ## Construction and compliance details It is sealable, and the design is rated for mechanical engineering and industrial machine manufacture. Combined terminals at both top and bottom accept supply from either direction, though polarity must be observed (DC supply).","metaTitle":"Siemens 5SY5103-7CC SENTRON MCB, 1P C-Curve 3A, 220V DC 10kA","metaDescription":"Siemens SENTRON 5SY5103-7CC miniature circuit breaker, 1-pole, C-curve, 3 A, 220 V DC, 10 kA breaking capacity per IEC 60947-2. Current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"18 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P","Number Of Poles":"1","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","at DC rated value":"220 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Design Of The Product":"Machine manufacture / industry","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"1","Position Of Power Supply Cord":"Consider polarity","Tripping Characteristic Class":"C","Influence Of The Surrounding Temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","Type Of Voltage Of The Operating Voltage":"DC","at DC according to IEC 60947-2 rated value":"10 kA","operating voltage at DC rated value maximum":"250 V","vibration resistance according to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","Product Extension Installable Supplementary Devices":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ef9921112bebab50b355c7adca78227e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=166599&mlfb=5SY5103-7CC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY5103-7CC/alternatives.json"},"ai":{"faq":[{"question":"Will 5SY5103-7CC drop into a panel specified around 5SY4116-7CV without rewiring?","answer":"Physically yes — both are 1-pole, 18 mm wide, 76 mm deep, and share the same DIN-rail mounting and terminal layout. The functional difference is voltage type: the 5SY5103-7CC is DC-only (220 V DC, 10 kA), while the 5SY4116-7CV is AC-rated (230 V AC, 15 kA) with a much lower DC voltage limit (72 V DC). They are not drop-in substitutes unless the circuit is DC and the voltage/breaking capacity match."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY5103-7CC","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/5SY5103-7CC 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}}