{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1356-0KK20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1356-0KK20","canonicalUrl":"https://aoctrl.com/siemens/5SU1356-0KK20","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1356-0KK20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU1356-0KK20 RCBO, 2-pole, 20 A rated, Type B tripping characteristic, 30 mA residual current, 6 kA (EN 60898) / 15 kA (IEC 60947-2) breaking capacity.","salesMarkdown":"The Siemens 5SU1356-0KK20 is a SENTRON RCBO (residual current circuit breaker with overcurrent protection) combining a 2-pole 20 A MCB with Type B tripping characteristic and a 30 mA residual current device in a single 2-module-width (36 mm) housing. Rated 20 A at 30 °C ambient; derates to 18.8 A at 40 °C, 17.4 A at 45 °C, 16.2 A at 55 °C, and 14.6 A at 70 °C. In a crowded enclosure with multiple RCBOs side-by-side, use the 40 °C or 50 °C column for realistic continuous load — the 20 A label is only valid in a 30 °C environment with adequate ventilation.","metaTitle":"Siemens 5SU1356-0KK20 SENTRON RCBO, 2-pole 20A Type B 30mA","metaDescription":"Siemens 5SU1356-0KK20 SENTRON RCBO, 2-pole, 20 A rated, Type B tripping, 30 mA residual current. Breaking capacity 6 kA (EN 60898) / 15 kA (IEC 60947-2). Active production. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"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","Number Of Poles":"2","lifecycle_stage":"current","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Operating Frequency":"50 Hz","Product Designation":"RCBO","acc. to IEC 81346-2":"F","at AC / rated value":"20 A","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Residual Current Type":"AC","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","Weight / With Packaging":"279 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","at 60 °C / rated value":"16.2 A","at 65 °C / rated value":"15.4 A","at 70 °C / rated value":"14.6 A","Number Of Modular Width Units":"2","Tripping Characteristic Class":"B","acc. to EN 60898 / rated value":"6 kA","For Testing Equipment / Minimum":"195 V","Position / Of Power Supply Cord":"Either top or bottom","Number Of Poles / With Protection":"1","acc. to IEC 60947-2 / rated value":"15 kA","Product Feature / Touch Protection":"Yes","Tripping Fault Current / Rated Value":"30 mA","insulation voltage (Ui) / rated value":"264 V","Supply Voltage Frequency / Rated Value":"50 Hz","Surge Voltage Resistance / Rated Value":"4 000 V","Influence Of The Surrounding Temperature":"Max. 95% humidity","Surge Current Resistance / At (8/20) μS":"1 kA","Type Of Voltage / Of The Operating Voltage":"AC","Product Component / Neutral Conductor Switching":"Yes","Mechanical Service Life (Switching Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5edc55a3a38c8615b332b77f4f62c886.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=118386&mlfb=5SU1356-0KK20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1356-0KK20/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SU1356-0KK20?","answer":"The 5SU1356-0KK20 has a breaking capacity of 6 kA per EN 60898 and 15 kA per IEC 60947-2."},{"question":"What is the residual current rating of this RCBO?","answer":"This is a Type AC residual current device — it detects sinusoidal AC earth fault currents. The sensitivity is 30 mA, standard for personal protection against direct contact."},{"question":"Where can I buy 5SU1356-0KK20?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"Will 5SU1356-0KK20 drop into a panel specified around 5SL6516-6YA without rewiring?","answer":"Both are 2-module-width (36 mm) DIN-rail RCBOs from the SENTRON family, so mechanical fit is identical. However, the 5SL6516-6YA is a 16 A Type C unit, while this is a 20 A Type B — verify the circuit's load and tripping characteristic before substitution."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1356-0KK20","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/5SU1356-0KK20 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}}