{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ6350-6","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ6350-6","canonicalUrl":"https://aoctrl.com/siemens/5SJ6350-6","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ6350-6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SJ6 series, miniature circuit breaker, 3-pole, B-curve, 50 A, 6 kA breaking capacity, 400 V AC, 70 mm depth.","salesMarkdown":"## What the ratings mean for fit The 5SJ6350-6 is a Siemens SENTRON 5SJ6 miniature circuit breaker rated 50 A at 400 V AC with a B tripping characteristic and 6 kA breaking capacity per EN 60898 and IEC 60947-2. The B-curve trips between 3 and 5 times rated current — suited for resistive and lighting loads where inrush is low, not for motor circuits that need a C or D curve. The 6 kA SCCR at 400 V means it safely interrupts faults up to that level without cascading upstream, provided the prospective short-circuit current at the panel doesn't exceed that figure. Three-pole construction covers three-phase circuits; the 70 mm installation depth fits standard DIN-rail enclosures. ## Panel integration and wiring Mounts on DIN rail in any position. Accepts solid or stranded conductors from 0.75 to 25 mm² — covers most branch-circuit wire sizes up to 4 AWG. The terminals are sealable, which matters for installations requiring tamper-evident sealing after commissioning. IP20 with connected conductors means it's protected against finger contact but not moisture; keep it inside a rated enclosure. Halogen-free and silicon-free construction reduces toxic smoke and silicone outgassing in sensitive environments like clean rooms or food processing.","metaTitle":"Siemens 5SJ6350-6 SENTRON MCB, 3-Pole, B-Curve, 50 A, 6 kA","metaDescription":"Siemens 5SJ6350-6 SENTRON miniature circuit breaker, 3-pole, B-curve, 50 A, 6 kA breaking capacity per EN 60898/IEC 60947-2. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Solid":"0.75 ... 25 mm²","Sealable":"Yes","Stranded":"0.75 ... 25 mm²","Rated Value":"50 Hz","Halogen-Free":"Yes","Silicon-Free":"Yes","During Storage":"-40 ... +75 °C","Number of poles":"3","Type of voltage":"AC/DC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-20 ... +45 °C","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":"3","Number of poles / Note":"3","circuit-breaker / Design":"5SJ6","Current / at AC / rated value":"50 A","Tripping characteristic class":"B","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":"400 V","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":"$76.12","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=143562&mlfb=5SJ6350-6","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SJ6350-6/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SJ6350-6?","answer":"6 kA per EN 60898 and IEC 60947-2 at 400 V AC."},{"question":"Will 5SJ6350-6 drop into a panel specified around 5SJ6220-6 without rewiring?","answer":"Both are 5SJ6 series with the same 70 mm depth and DIN-rail mounting, but the 5SJ6350-6 is 3-pole (3 width units) while the 5SJ6220-6 is 2-pole (2 width units). The panel must have space for the extra pole width. Wire range (0.75–25 mm²) and terminal type are identical, so no rewiring of individual conductors is needed if the spare slot is available."},{"question":"How do I get current pricing and availability for 5SJ6350-6?","answer":"Submit an RFQ through the storefront. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ6350-6","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/5SJ6350-6 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}}