{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1646-7FP06","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1646-7FP06","canonicalUrl":"https://aoctrl.com/siemens/5SU1646-7FP06","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1646-7FP06","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU1646-7FP06, RCBO, 4-pole, C characteristic, 6 A rated at 30 °C, 6 kA breaking capacity, 4 MW, IP20, -40 to 70 °C.","salesMarkdown":"## What this RCBO does on the panel It carries a C characteristic (6 A at 30 °C, derated to 4.7 A at 70 °C) and breaks faults up to 6 kA per EN 60898 and IEC 60947-2. The 400 V AC rated voltage and 500 V insulation voltage suit it for three-phase final circuits in distribution boards where you need both short-circuit and earth-fault protection in one device. IP20 rated once installed with conductors connected. Feed from top or bottom; the 4-pole design protects all live conductors. ## Thermal derating — what the 6 A rating actually means The 6 A rating at 30 °C drops as ambient rises: 5.7 A at 40 °C, 5.5 A at 45 °C, 5.3 A at 50 °C, 5.1 A at 55 °C, 5.0 A at 60 °C, and 4.7 A at 70 °C. If your panel runs warm — typical for a crowded enclosure — size the load against the derated value, not the 30 °C number.","metaTitle":"Siemens 5SU1646-7FP06 SENTRON RCBO, 4P, C-6A, 6kA","metaDescription":"Siemens 5SU1646-7FP06 SENTRON RCBO, 4-pole, C-curve 6 A, 6 kA breaking capacity (EN/IEC 60898). IP20, -40 to 70 °C. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"72 mm","Width":"72 mm","Height":"85 mm","Maximum":"70 °C","Minimum":"-40 °C","Halogen-Free":"No","Design Of Pole":"4P","Number Of Poles":"4","lifecycle_stage":"current","Mounting Position":"any","at AC rated value":"400 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Operating Frequency":"50 Hz","Product Designation":"RCBO","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Weight With Packaging":"474 g","at 30 °C rated value":"6 A","at 40 °C rated value":"5.7 A","at 45 °C rated value":"5.5 A","at 50 °C rated value":"5.3 A","at 55 °C rated value":"5.1 A","at 60 °C rated value":"5 A","at 70 °C rated value":"4.7 A","Energy Limitation Class":"3","For Testing Equipment Minimum":"195 V","Number Of Modular Width Units":"4","Position Of Power Supply Cord":"Either top or bottom","Tripping Characteristic Class":"C","Number Of Poles With Protection":"4","according to EN 60898 rated value":"6 kA","insulation voltage (Ui) rated value":"500 V","Supply Voltage Frequency Rated Value":"50 Hz","Surge Voltage Resistance Rated Value":"4 000 V","according to IEC 60947-2 rated value":"6 kA","Surge Current Resistance At (8/20) μS":"0.25 kA","Influence Of The Surrounding Temperature":"Max. 95% humidity","Type Of Voltage Of The Operating Voltage":"AC","Mechanical Service Life (Operating Cycles) Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bed74928c9539d6c50f1eb1e06da07d1.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1438083&mlfb=5SU1646-7FP06","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1646-7FP06/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for the 5SU1646-7FP06?","answer":"It is a 4-pole RCBO with C characteristic, rated 6 A at 30 °C (derated to 4.7 A at 70 °C), 400 V AC, 6 kA breaking capacity per EN 60898 and IEC 60947-2, and IP20 protection."},{"question":"Where can I buy the 5SU1646-7FP06?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution — availability and current pricing are confirmed at quote time. Submit an RFQ for a firm price and lead time."},{"question":"Will the 5SU1646-7FP06 drop into a panel specified around the 5SY6332-7CC?","answer":"The 5SU1646-7FP06 is a 4-pole RCBO (72 mm wide, 4 MW) with C-6 A, 6 kA; the 5SY6332-7CC is a Siemens MCB. They are different device types — the RCBO adds residual-current protection. Check the panel layout for width and wiring before substitution."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1646-7FP06","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/5SU1646-7FP06 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}}