{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1656-7KK25","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1656-7KK25","canonicalUrl":"https://aoctrl.com/siemens/5SU1656-7KK25","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1656-7KK25","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON RCBO, 1P+N, 25 A, 300 mA, Type A, C-curve, 6 kA, 2 MW, IP20.","salesMarkdown":"The Siemens 5SU1656-7KK25 is a SENTRON-series RCBO (residual current circuit breaker with overcurrent protection) combining a 25 A overcurrent trip (C-curve, 1P+N) with a 300 mA Type A residual current device in a single 2-module-width package. The 25 A rating at 30 °C is the headline thermal current; at elevated panel temperatures the device derates — 23.5 A at 40 °C, 21.75 A at 50 °C, and 18.25 A at 70 °C. If the distribution board sits in a warm environment (e.g., adjacent to a boiler or in a non-climate-controlled enclosure), use the 40 °C or 50 °C column for sizing, not the 30 °C figure. It is not suitable for smooth DC fault currents — that would require Type B. For general-purpose final circuits with electronic loads, Type A is the standard choice. It mounts in any position and accepts supply from either top or bottom.","metaTitle":"Siemens 5SU1656-7KK25 SENTRON RCBO, 25A, 300mA, Type A, 6kA","metaDescription":"Siemens SENTRON 5SU1656-7KK25 RCBO, 25A rated, 300mA residual current, Type A, 6kA breaking capacity, C-curve. Current production. 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":"77 mm","Width":"36 mm","Height":"90 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":"25 A","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","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","Residual Current Type":"A","Weight With Packaging":"278 g","at 30 °C rated value":"25 A","at 40 °C rated value":"23.5 A","at 45 °C rated value":"22.75 A","at 50 °C rated value":"21.75 A","at 55 °C rated value":"20.25 A","at 60 °C rated value":"20.25 A","at 65 °C rated value":"19.25 A","at 70 °C rated value":"18.25 A","Energy Limitation Class":"3","For Testing Equipment Minimum":"100 V","Number Of Modular Width Units":"2","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":"6 kA","Tripping Fault Current Rated Value":"300 mA","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":"15 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":"5.1 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/32f613bc14dc78eaf5b0baa4f261ffc4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=188341&mlfb=5SU1656-7KK25","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1656-7KK25/alternatives.json"},"ai":{"faq":[{"question":"What is 5SU1656-7KK25's listed depth?","answer":"The depth is 77 mm, with an installation depth of 70 mm."},{"question":"What is 5SU1656-7KK25's listed width?","answer":"The width is 36 mm, which corresponds to 2 modular width units."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1656-7KK25","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/5SU1656-7KK25 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}}