{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9304-0KK25","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9304-0KK25","canonicalUrl":"https://aoctrl.com/siemens/5SU9304-0KK25","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9304-0KK25","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU9304-0KK25, RCD-operated circuit breaker (RCBO), 25 A rated, B-curve, 10 kA breaking capacity per EN 60898, 1P+N, 18 mm width.","salesMarkdown":"The 5SU9304-0KK25: The 25 A rating at 30 °C tells you the continuous current it'll carry in a typical 30 °C panel environment. That derates to 23.5 A at 40 °C and 21.75 A at 50 °C — so if your enclosure runs hot, you need to account for that drop. It's a 1P+N RCBO, meaning it switches the live pole and protects against overcurrent and residual current (AC type,) on that pole, while the neutral is switched but not protected. The 18 mm width takes up one modular space on the DIN rail, so you can pack it tight in a distribution board. IP20 with conductors connected means it's for enclosed panels only, not washdown or outdoor duty.","metaTitle":"Siemens 5SU9304-0KK25 SENTRON RCBO, 25A B-Curve, 10kA, 1P+N","metaDescription":"Siemens SENTRON 5SU9304-0KK25 RCD-operated circuit breaker, 25 A rated, B-curve, 10 kA breaking capacity per EN 60898, 1P+N, 18 mm wide. Current production. Sourced to order agains","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":"18 mm","Height":"125 mm","Maximum":"0.75 W","Stranded":"0.75 ... 35 mm²","at 30 Cel":"25 A","at 40 Cel":"23.5 A","at 45 Cel":"22.75 A","at 50 Cel":"21.75 A","at 55 Cel":"20.25 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":"1","Type of fault current":"AC","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":"25 A","Tripping characteristic class":"B","acc. to EN 60898 / rated value":"10 kA","For Testing Equipment / Minimum":"115 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":"1.2 ... 2 N·m","Product function / neutral conductor switching":"No","Mechanical service life (switching cycles) / typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/afd84d4cd92063d3fe7003ce39deab53.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=629252&mlfb=5SU9304-0KK25","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9304-0KK25/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9304-0KK25","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/5SU9304-0KK25 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}}