{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL6420-7MB","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL6420-7MB","canonicalUrl":"https://aoctrl.com/siemens/5SL6420-7MB","factsUrl":"https://aoctrl.com/api/mcp/products/5SL6420-7MB","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL miniature circuit breaker, 4-pole, C-curve, 20 A, 6 kA breaking capacity, 400 V AC.","salesMarkdown":"## Siemens 5SL6420-7MB — 4-pole C-curve MCB, 20 A, 6 kA The Siemens 5SL6420-7MB is a SENTRON 5SL miniature circuit breaker, 4-pole (4P), C-curve, rated 20 A at 400 V AC, with a 6 kA breaking capacity per EN 60898. Terminal accepts solid or stranded 0.75 to 25 mm², torque 2.5–3 N·m. Production status is active — this is a current-catalog SENTRON 5SL6 part. Available through independent distribution; pricing and lead time confirmed against an RFQ.","metaTitle":"Siemens 5SL6420-7MB SENTRON MCB, 4P C 20A 6kA 400V","metaDescription":"Siemens SENTRON 5SL6420-7MB miniature circuit breaker, 4-pole, C-curve, 20 A, 6 kA breaking capacity at 400 V AC. Active production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Solid":"0.75 ... 25 mm²","Width":"72 mm","Height":"90 mm","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":"4","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-25 ... +45 °C","Product designation":"Miniature circuit breaker","Protection class IP":"IP20, with connected conductors","Overvoltage category":"3","Design of the product":"5SL miniature circuit breakers","Number of width units":"4","Number of poles / Note":"4P","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","circuit-breaker / Design":"5SL6","Suitability for operation":"Residential buildings/infrastructure","Current / at AC / rated value":"20 A","Tripping characteristic class":"C","acc. to EN 60898 / rated value":"6 kA","Product feature / Touch protection":"Yes","Supply voltage / at AC / rated value":"400 V","with multi-phase operation / at AC / maximum":"440 V","Tightening torque / with screw-type terminals":"2.5 ... 3 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":"250 V","Mechanical service life (switching cycles) / typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f89338303db62cb8c7aaf733803ebb7d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=268921&mlfb=5SL6420-7MB","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL6420-7MB/alternatives.json"},"ai":{"faq":[{"question":"What wire sizes does it accept?","answer":"Solid and stranded conductors from 0.75 to 25 mm². Screw terminals with a tightening torque of 2.5 to 3 N·m."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL6420-7MB","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/5SL6420-7MB 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}}