{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4405-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4405-7","canonicalUrl":"https://aoctrl.com/siemens/5SY4405-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4405-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY4405-7, miniature circuit breaker, 4-pole, C-curve, 0.5 A, 400 V AC, interrupting 35 kA IEC 60947-2, 10 kA EN 60898, 15 kA DC, width 72 mm.","salesMarkdown":"## Miniature Circuit Breaker for 400 V AC Control Circuits Mountable in any position, with an IP20 rating when conductors are connected. Sourcing: this part is available via RFQ for delivery against your BOM line. Confirm physical fit by comparing the 76 mm depth and 72 mm width against your panel layout.","metaTitle":"Siemens 5SY4405-7 SENTRON MCB, 0.5A 4P C-curve","metaDescription":"Siemens SENTRON 5SY4405-7 miniature circuit breaker, 4-pole, C-curve, 0.5 A, 400 V AC, interrupting 35 kA IEC 60947-2. Active production, RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Width":"72 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Number Of Poles":"4","Type Of Voltage":"AC","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","acc. to IEC 81346-2":"F","at AC / rated value":"400 V","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Number Of Poles / Note":"4P","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"4","Tripping Characteristic Class":"C","acc. to EN 60898 / rated value":"10 kA","Position / Of Power Supply Cord":"Any","acc. to IEC 60947-2 / rated value":"35 kA","Product Feature / Touch Protection":"Yes","Supply Voltage Frequency / Rated Value":"50/60 Hz","Influence Of The Surrounding Temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","at DC / acc. to IEC 60947-2 / rated value":"15 kA","operational current / at AC / rated value":"0.5 A","at AC / acc. to UL 1077 and CSA C22.2 No.235":"5 kA","vibration resistance / acc. to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","Product Function / Neutral Conductor Switching":"No","with multi-phase operation / at AC / rated value":"440 V","operating voltage / at DC / rated value / maximum":"72 V","with single-phase operation / at AC / rated value":"440 V","Mechanical Service Life (Switching Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$338.66","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/4d5819a95d1e50a237ba755e6037b730.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=483634&mlfb=5SY4405-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY4405-7/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4405-7","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/5SY4405-7 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}}