{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ6103-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ6103-7","canonicalUrl":"https://aoctrl.com/siemens/5SJ6103-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ6103-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SJ6 series, miniature circuit breaker, 1-pole, C-curve, 3 A rated, 6 kA breaking capacity, 240 V AC, 70 mm installation depth.","salesMarkdown":"It is a 1-pole unit with a C-tripping characteristic, rated 3 A at 240 V AC, and delivers a 6 kA breaking capacity certified to both EN 60898 and IEC 60947-2. For a 1-pole MCB on a 240 V line, that covers a 720 VA load (resistive) or roughly a 0.5 kW motor at typical power factor. For DC circuits, the breaker is rated 60 V maximum — suitable for 48 V DC control buses or solar combiner boxes, but not for higher-voltage DC strings. The 440 V insulation voltage and multi-phase operation rating up to 440 V AC confirm it can sit in a 3-phase panel as a single-pole branch breaker, provided the line-to-neutral voltage stays within 240 V. Vibration resistance tested to 50 m/s² at 25–150 Hz and 60 m/s² at 10–150 Hz per IEC 60068-2-6, so it holds up on machinery-mounted subpanels. Mechanical life is 20 000 switching cycles typical — adequate for a distribution breaker that sees infrequent manual operation; not intended for frequent switching duty like a contactor. ## Panel integration Mounting position is any orientation. Halogen-free and silicon-free construction — important for environments where outgassing from a fault could contaminate optics or sensitive electronics (clean rooms, semiconductor fabs, medical device manufacturing).","metaTitle":"Siemens 5SJ6103-7 SENTRON MCB, 1-Pole C-Curve 3A 6kA","metaDescription":"Siemens 5SJ6103-7 SENTRON miniature circuit breaker, 1-pole, C-curve, 3A, 6kA breaking capacity per EN 60898/IEC 60947-2. Active production. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Rated Value":"50 Hz","Halogen-Free":"Yes","Silicon-Free":"Yes","Number of poles":"1","Type of voltage":"AC/DC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Degree of pollution":"2","Product designation":"Miniature circuit breakers","Protection class IP":"IP20, with connected conductors","Overvoltage category":"3","Design of the product":"Miniature circuit breaker 5SJ6","Energy limiting class":"3","Number of width units":"1","Number of poles / Note":"1","circuit-breaker / Design":"5SJ6","Tripping characteristic class":"C","at DC / rated value / maximum":"60 V","acc. to EN 60898 / rated value":"6 kA","Position / of power supply cord":"Any","acc. to IEC 60947-2 / rated value":"6 kA","Product feature / Touch protection":"Yes","Supply voltage / at AC / rated value":"240 V","Operating current / at AC / rated value":"3 A","Influence of the surrounding temperature":"Periodically +55°C, max. 95% humidity","Insulation voltage / at AC / rated value":"440 V","Vibration resistance / acc. to IEC 60068-2-6":"50m/s² at 25 to 150Hz and 60m/s² at 10 to 150 Hz","with multi-phase operation / at AC / maximum":"440 V","Mechanical service life (switching cycles) / typical":"20 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=480516&mlfb=5SJ6103-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SJ6103-7/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SJ6103-7 and get a price?","answer":"This part is sourced and quoted to order through independent distribution. Submit an RFQ for current availability and pricing — confirmed at quote time."},{"question":"What is the breaking capacity of 5SJ6103-7?","answer":"6 kA rated breaking capacity per both EN 60898 and IEC 60947-2 at 240 V AC."},{"question":"What is the temperature range for 5SJ6103-7?","answer":"Storage and operating temperature range is -40 °C to +75 °C, with periodic ambient up to +55 °C and 95% humidity."},{"question":"Will 5SJ6103-7 drop into a panel specified around 5SJ6220-6 without rewiring?","answer":"No — 5SJ6220-6 is a 2-pole, 20 A, B-curve breaker occupying 2 width units, while 5SJ6103-7 is 1-pole, 3 A, C-curve in 1 width unit. The footprint, rating, and tripping characteristic differ; the panel would need rewiring and a different DIN-rail allocation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ6103-7","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/5SJ6103-7 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}}