{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9356-7KN20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9356-7KN20","canonicalUrl":"https://aoctrl.com/siemens/5SU9356-7KN20","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9356-7KN20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU9 series, 5SU9356-7KN20 RCBO, 20 A, Type A, 30 mA, C-curve, 1P+N, 6 kA (EN 60898) / 10 kA (IEC 60947-2), 2-module.","salesMarkdown":"## RCD-operated circuit breaker — 20 A, Type A, C-curve The Siemens SENTRON 5SU9356-7KN20 is an RCBO — a combined RCD and MCB in one 2-module (36 mm wide) package. The Type A RCD detects pulsating DC fault currents as well as sinusoidal AC, which covers variable-speed drives and electronic loads. Rated current derates with ambient temperature: 18.8 A at 40 °C, 18.2 A at 45 °C, 17.4 A at 50 °C, and 16.2 A at 55 °C. If the panel runs hot, size the load accordingly. Mounts on DIN rail, any position. Supply can enter from top or bottom; the RCBO is polarity-sensitive on the 1P+N configuration (switched phase, solid neutral).","metaTitle":"Siemens 5SU9356-7KN20 SENTRON RCBO, 20 A, Type A, 30 mA, 6 k","metaDescription":"Siemens 5SU9356-7KN20 SENTRON RCBO, 20 A rated current, Type A, 30 mA, 6 kA (EN 60898) / 10 kA (IEC 60947-2), C-curve, 1P+N, 2-module. 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","Solid":"0.75 ... 35 mm²","Width":"36 mm","Height":"90 mm","Maximum":"1.5 W","Stranded":"0.75 ... 35 mm²","at 30 Cel":"20 A","at 40 Cel":"18.8 A","at 45 Cel":"18.2 A","at 50 Cel":"17.4 A","at 55 Cel":"16.2 A","Halogen-Free":"Yes","Silicon-Free":"Yes","During Storage":"-40 ... +75 °C","Number of poles":"2","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-25 ... +45 °C","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","Energy limiting class":"3","Number of width units":"2","Type of fault current":"A","Number of poles / Note":"1P+N","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","circuit-breaker / Design":"5SU9","Current / at AC / rated value":"20 A","Tripping characteristic class":"C","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":"10 kA","Product feature / Touch protection":"Yes","Supply voltage frequency / rated value":"50 Hz","Tripping residual current / rated value":"30 mA","Influence of the surrounding temperature":"Max. 95% humidity","Surge current resistance / at (8/20) μs":"1 kA","Tightening torque / with screw-type terminals":"2.5 ... 3 N·m","Product function / 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/79f6610cfebb3bc98ed563eb1e55c601.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=629394&mlfb=5SU9356-7KN20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9356-7KN20/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5SU9356-7KN20?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current pricing and availability — both are confirmed at quote time."},{"question":"What is 5SU9356-7KN20's listed depth?","answer":"Overall depth is 77 mm; installation depth (behind the panel face) is 70 mm."},{"question":"What conductor sizes does 5SU9356-7KN20 accept?","answer":"Solid and stranded conductors from 0.75 mm² up to 35 mm²."},{"question":"What compliance documentation does Siemens provide for 5SU9356-7KN20?","answer":"The RCBO is designed to EN 60898 (6 kA) and IEC 60947-2 (10 kA), carries overvoltage category III, and is halogen-free and silicon-free. Standard Siemens declarations of conformity and material compliance (RoHS, REACH) are available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9356-7KN20","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/5SU9356-7KN20 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}}