{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL3302-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL3302-7","canonicalUrl":"https://aoctrl.com/siemens/5SL3302-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SL3302-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL3302-7, miniature circuit breaker, 3-pole, C-curve, 2 A rated at 400 V AC, 4.5 kA breaking capacity per EN 60898, 3 MW units wide.","salesMarkdown":"## What it is and what it does The Siemens 5SL3302-7 is a SENTRON miniature circuit breaker (MCB) — a 3-pole, C-curve device rated 2 A at 400 V AC. It protects branch circuits against overload and short-circuit in residential and light commercial distribution boards, per its stated suitability for residential buildings and infrastructure. The C-curve characteristic means it trips instantaneously at 5 to 10 times rated current — a good fit for moderate inrush loads like small motors or lighting banks, but not for high-inrush transformers or switching power supplies (those want a D-curve). Breaking capacity: 4.5 kA per EN 60898 (the domestic standard) and 5 kA per IEC 60947-2 (the industrial standard). At 400 V AC, that covers most residential and light commercial fault levels in Europe and Asia. If your site has a prospective short-circuit current above 5 kA, step up to the 5SL6 series. ## Thermal derating — the real-world current The 2 A rating holds at 30 °C ambient. At 40 °C it derates to 1.9 A; at 55 °C it drops to 1.75 A. If the breaker sits in a crowded enclosure with other heat sources, use the 40 °C or 55 °C column for your load calculation — the 30 °C number is the catalogue ideal, not the panel reality. ## Panel integration notes Three modular width units (54 mm total) on a standard DIN rail. Depth is 76 mm, installation depth 70 mm. Mounting position: any. IP20 with connected conductors — suitable for enclosed distribution boards, not for wet or dusty environments. Sealable (tamper-evident cover available). Halogen-free and silicon-free construction, so it won't outgas corrosive compounds in sealed enclosures.","metaTitle":"Siemens 5SL3302-7 SENTRON MCB, 3P C 2A 4.5kA","metaDescription":"Siemens 5SL3302-7 SENTRON miniature circuit breaker, 3-pole, C-curve, 2 A, 4.5 kA per EN 60898. Active production. Sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"54 mm","title":"5SL3302-7","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 400 V 4.5 kA, 3-pole, C, 2A","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"3P","Number Of Poles":"3","lifecycle_stage":"current","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Product Designation":"Miniature circuit breaker","acc. to IEC 81346-2":"F","at AC / rated value":"2 A","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","at 30 °C / rated value":"2 A","at 40 °C / rated value":"1.9 A","at 45 °C / rated value":"1.86 A","at 55 °C / rated value":"1.75 A","Suitability For Operation":"Residential buildings/infrastructure","Number Of Modular Width Units":"3","Tripping Characteristic Class":"C","at DC / rated value / maximum":"72 V","acc. to EN 60898 / rated value":"4.5 kA","acc. to IEC 60947-2 / rated value":"5 kA","Product Feature / Touch Protection":"Yes","supply voltage / at AC / rated value":"400 V","Type Of Voltage / Of The Operating Voltage":"AC","with multi-phase operation / at AC / maximum":"440 V","Product Component / Neutral Conductor Switching":"No","with multi-phase operation / at AC / rated value":"440 V","Mechanical Service Life (Switching Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ba6b045541d906b2b8b1e79bc2e9dbac.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=106104&mlfb=5SL3302-7"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL3302-7","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/5SL3302-7 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}