{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1324-7KX40","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1324-7KX40","canonicalUrl":"https://aoctrl.com/siemens/5SU1324-7KX40","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1324-7KX40","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON RCBO, 2-pole (2P), 40 A rated, residual current type A, tripping characteristic C, 10 kA per EN 60898 / 15 kA per IEC 60947-2, 3 modular width units, IP20, current production.","salesMarkdown":"The Siemens SENTRON 5SU1324-7KX40 is a 2-pole (2P) RCBO — a combined residual-current circuit breaker with overcurrent protection — rated 40 A at 30 °C, with a Type A residual-current characteristic and a C tripping curve. ## Derating and thermal limits At 40 °C it derates to 37.6 A, at 50 °C to 34.8 A, and at 70 °C to 29.2 A. ## Mounting and footprint","metaTitle":"Siemens SENTRON 5SU1324-7KX40 RCBO, 2P 40A Type A C-curve, 1","metaDescription":"Siemens SENTRON 5SU1324-7KX40 RCBO, 2-pole 40 A, residual current type A, tripping characteristic C, 10 kA (EN 60898) / 15 kA (IEC 60947-2). Current production. Sourced to order ag","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"77 mm","Width":"54 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":"50/60 Hz","Product Designation":"RCBO","acc. to IEC 81346-2":"F","at AC / rated value":"40 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":"A","Number Of Poles / Note":"2P","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","Weight / With Packaging":"420 g","at 30 °C / rated value":"40 A","at 40 °C / rated value":"37.6 A","at 45 °C / rated value":"36.4 A","at 50 °C / rated value":"34.8 A","at 55 °C / rated value":"32.4 A","at 60 °C / rated value":"32.4 A","at 65 °C / rated value":"30.8 A","at 70 °C / rated value":"29.2 A","Number Of Modular Width Units":"3","Tripping Characteristic Class":"C","acc. to EN 60898 / rated value":"10 kA","For Testing Equipment / Minimum":"100 V","Position / Of Power Supply Cord":"Either top or bottom","Number Of Poles / With Protection":"2","acc. to IEC 60947-2 / rated value":"15 kA","Product Feature / Touch Protection":"Yes","Tripping Fault Current / Rated Value":"30 mA","Supply Voltage Frequency / Rated Value":"50 Hz","Influence Of The Surrounding Temperature":"Max. 95% humidity","Surge Current Resistance / At (8/20) μS":"1 kA","Product Function / Neutral Conductor Switching":"Yes","Mechanical Service Life (Operating Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f8a3f804604e34cc21a3fa836405929c.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=603561&mlfb=5SU1324-7KX40","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1324-7KX40/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1324-7KX40","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/5SU1324-7KX40 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}}