{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9604-1KK20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9604-1KK20","canonicalUrl":"https://aoctrl.com/siemens/5SU9604-1KK20","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9604-1KK20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON RCBO, 1P+N, C-curve 20 A, 10 kA breaking capacity per EN 60898, 1 MWU, halogen-free, silicon-free.","salesMarkdown":"## RCD-operated circuit breaker, 1P+N, C20, 10 kA The Siemens SENTRON 5SU9604-1KK20 is a 1P+N RCD-operated circuit breaker — an RCBO — combining overcurrent and residual-current protection in a single 1-MWU (18 mm wide) package. Rated 20 A at 30 °C with a C-curve tripping characteristic, it breaks fault currents up to 10 kA per EN 60898 and IEC 60947-2. The 77 mm depth (70 mm installation depth) fits standard 125 mm tall enclosures. ## Derating and ambient range At 40 °C it derates to 18.8 A, at 45 °C to 18.2 A, at 50 °C to 17.4 A, and at 55 °C to 16.2 A.","metaTitle":"Siemens SENTRON 5SU9604-1KK20 RCBO, 1P+N, C20, 10 kA","metaDescription":"Siemens SENTRON 5SU9604-1KK20 RCBO, 1P+N, C-curve 20 A, 10 kA breaking capacity per EN 60898. Halogen-free, silicon-free. Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"77 mm","Width":"18 mm","Height":"125 mm","Maximum":"75 °C","Minimum":"-40 °C","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P+N","Number Of Poles":"2","lifecycle_stage":"current","Mounting Position":"any","at AC rated value":"230/240 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Operating Frequency":"50/60 Hz","Product Designation":"RCD-operated circuit breaker","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Weight With Packaging":"260 g","at 30 °C rated value":"20 A","at 40 °C rated value":"18.8 A","at 45 °C rated value":"18.2 A","at 50 °C rated value":"17.4 A","at 55 °C rated value":"16.2 A","Energy Limitation Class":"3","For Testing Equipment Minimum":"125 V","Number Of Modular Width Units":"1","Position Of Power Supply Cord":"Either top or bottom","Tripping Characteristic Class":"C","Number Of Poles With Protection":"1","according to EN 60898 rated value":"10 kA","insulation voltage (Ui) rated value":"264 V","Supply Voltage Frequency Rated Value":"50 Hz","Surge Voltage Resistance Rated Value":"4 000 V","according to IEC 60947-2 rated value":"10 kA","Surge Current Resistance At (8/20) μS":"1 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","for rated value of the current at AC in hot operating state per pole":"0.75 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f90694e00bcb504541085fb76e71b156.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=629435&mlfb=5SU9604-1KK20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9604-1KK20/alternatives.json"},"ai":{"faq":[{"question":"When sourcing 5SU9604-1KK20, what's the closest functional second-source — 5SY4116-7CV?","answer":"The 5SY4116-7CV is a different class: a 1-pole MCB with a B-curve, not an RCBO. The 5SU9604-1KK20 combines overcurrent and residual-current protection in a 1P+N form factor; the 5SY4116-7CV provides only overcurrent protection. They are not drop-in substitutes without rewiring the residual-current function."},{"question":"What is 5SU9604-1KK20's listed width (18 mm) on this component line?","answer":"Width is 18 mm, which is 1 modular width unit (1 MWU). It occupies a single 18 mm slot on a standard DIN-rail panel."},{"question":"Will 5SU9604-1KK20 drop into a panel that was specified around 5SY4116-7CV without rewiring?","answer":"No. The 5SY4116-7CV is a 1-pole MCB with no residual-current protection. The 5SU9604-1KK20 is a 1P+N RCBO that requires a neutral connection and provides RCD functionality. The panel wiring and the protective-device function are different."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9604-1KK20","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/5SU9604-1KK20 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}}