{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL4120-8CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL4120-8CC","canonicalUrl":"https://aoctrl.com/siemens/5SL4120-8CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL4120-8CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SL4 series, miniature circuit breaker, 1-pole, D characteristic, 20 A, 230/400 V, 10 kA breaking capacity.","salesMarkdown":"The Siemens 5SL4120-8CC is a 1-pole miniature circuit breaker from the 5SL4 Basic Devices family, rated for 230/400 V with a 10 kA breaking capacity and a D characteristic at 20 A. This is the one you spec for a motor branch circuit or a control transformer primary where the load draw spikes on start-up. RoHS compliant since 01-06-13. The compliance pack covers the EU directives and the substance declarations a quality-doc-control review expects.","metaTitle":"Siemens 5SL4120-8CC Miniature Circuit Breaker, 20 A, 1-Pole,","metaDescription":"Siemens 5SL4120-8CC miniature circuit breaker, 230/400 V, 10 kA, 1-pole, D curve, 20 A. Active production. RoHS/REACH compliant. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Group Code":"P310","Product Group":"3824","Product class":"B: return restricted, please contact your Siemens partner/contact","Quantity Unit":"1 Piece","Product Family":"Basic Devices","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : N","Packaging dimensions (L x W x H)":"Not available","Compliance with the substance restrictions according to RoHS directive":"Since: 01-06-13","REACH Art. 33 Duty to inform according to the current list of candidates":"Lead CAS-No. 7439-92-1 > 0,1 % (w / w)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cbe2733fe3323efba108d760e96a2c83.pdf","sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/5SL4120-8CC?tree=CatalogTree","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL4120-8CC/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings of the 5SL4120-8CC?","answer":"It is a 1-pole miniature circuit breaker, 230/400 V, 10 kA breaking capacity, D characteristic, rated 20 A. The D curve suits loads with high inrush such as motors and transformers."},{"question":"What compliance documentation does Siemens provide for the 5SL4120-8CC?","answer":"RoHS compliant since 01-06-13. REACH Article 33 disclosure for lead (CAS-No. 7439-92-1) above 0.1% w/w. Export controls: AL: N, ECCN: N."},{"question":"Where can I buy the 5SL4120-8CC and how is it quoted?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time. No stock count or price is published here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL4120-8CC","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/5SL4120-8CC 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}}