{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9306-1DV20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9306-1DV20","canonicalUrl":"https://aoctrl.com/siemens/5SU9306-1DV20","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9306-1DV20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SU9306-1DV20, LS/DI protective device Type AC (CO), D=70mm, IΔn 30mA, 6kA, 1+N-pole, C 20A, 1MW.","salesMarkdown":"## What this RCBO covers The Siemens 5SU9306-1DV20 is a combined residual current device and miniature circuit breaker (RCBO) in a single 1+N-pole module. It provides both overcurrent protection (C-curve, 20 A rated current) and residual current protection (Type AC, 30 mA sensitivity) in one DIN-rail unit, saving a module width compared to separate MCB+RCCD. The Type AC detection handles sinusoidal AC residual currents — the standard choice for general socket-outlet and lighting circuits without electronic loads. For a project buyer planning a panel build, this part can be specified into the BOM with confidence that supply will be consistent through the commissioning window. The 70 mm depth (D=70mm) is standard for Siemens 5SU9 RCBOs — verify enclosure depth clearance if retrofitting into a shallow consumer unit originally designed for 60 mm deep devices. The 1+N-pole configuration switches the line conductor and disconnects the neutral; the neutral pole is not switched but is opened by the residual current mechanism. Wire the supply neutral to the N terminal on the device, not the busbar, for the RCD function to operate.","metaTitle":"Siemens 5SU9306-1DV20 RCBO, 30mA, 6kA, 1+N-Pole C 20A","metaDescription":"Siemens 5SU9306-1DV20 LS/DI protective device, Type AC, 30mA, 6kA, 1+N-pole C 20A. Current lifecycle stage. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"lifecycle_stage":"current"}},"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=303209&mlfb=5SU9306-1DV20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9306-1DV20/alternatives.json"},"ai":{"faq":[{"question":"What does the description LS/DI protective device Type AC (CO) mean?","answer":"LS/DI is German for line circuit breaker/residual current device (Leitungsschutzschalter/Differenzstromschutz). Type AC means it detects sinusoidal AC residual currents only. (CO) indicates the compact 1+N-pole construction. The 30 mA sensitivity provides personal protection against direct contact."},{"question":"What is the breaking capacity and curve of the 5SU9306-1DV20?","answer":"It is rated 6 kA breaking capacity per IEC 60898-1, with a C-curve (magnetic trip between 5 and 10 times In) at 20 A rated current. The C-curve is the standard choice for general-purpose socket circuits and small inductive loads."},{"question":"Where can I buy the 5SU9306-1DV20?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm delivery commitment to your install date."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9306-1DV20","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/5SU9306-1DV20 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}}