{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU9304-7KX16","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU9304-7KX16","canonicalUrl":"https://aoctrl.com/siemens/5SU9304-7KX16","factsUrl":"https://aoctrl.com/api/mcp/products/5SU9304-7KX16","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU9304-7KX16, RCBO, 2-pole, 16 A rated, 30 mA Type A residual current, C-curve, 10 kA breaking capacity per EN 60898, 1 MW DIN-rail width.","salesMarkdown":"The Siemens 5SU9304-7KX16 is a 2-pole RCBO from the SENTRON series — an RCD-operated circuit breaker combining overcurrent and residual current protection in one 18 mm-wide module. It's rated 16 A at 30 °C with a 30 mA Type A residual trip, C-curve magnetic release, and 10 kA breaking capacity per EN 60898 (also rated 10 kA per IEC 60947-2). That 30 mA Type A trip catches pulsating DC fault currents from electronics and single-phase rectifiers — common in modern loads like switched-mode supplies and LED drivers. The C-curve (5-10x In) handles motor inrush and capacitive loads without nuisance trips, while the 10 kA SCCR at 230/400 V means it clears a hard fault without upstream breaker coordination issues in a residential or light commercial panel. Snaps onto standard DIN rail, one modular width (18 mm). Depth is 77 mm, installation depth 70 mm — fits flush in a 125 mm-tall enclosure with the gland plate clear. Mounting position any, so it works in vertical or horizontal busbar configurations. Supply feeds from below per the position-of-power-supply-cord spec. Derating matters here: at 30 °C it carries the full 16 A; at 40 °C it's 15.2 A; at 45 °C it drops to 14.56 A; at 50 °C it's 14.08 A; at 55 °C it's 13.76 A. Touch protection is built in. Energy limitation class 3 — fast arc quenching limits let-through energy, which helps with downstream coordination on a 10 kA fault.","metaTitle":"Siemens 5SU9304-7KX16 SENTRON RCBO, 2-pole, 16 A, 30 mA, C-c","metaDescription":"Siemens 5SU9304-7KX16 SENTRON RCBO: 2-pole, 16 A, 30 mA Type A, C-curve, 10 kA (EN 60898). Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"77 mm","Width":"18 mm","Height":"125 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":"RCD-operated circuit breaker","acc. to IEC 81346-2":"F","at AC / rated value":"16 A","protection class IP":"IP20, if the distribution board is installed, with connected conductors, IP40 is achieved","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Residual Current Type":"A","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","Weight / With Packaging":"260 g","at 30 °C / rated value":"16 A","at 40 °C / rated value":"15.2 A","at 45 °C / rated value":"14.56 A","at 50 °C / rated value":"14.08 A","at 55 °C / rated value":"13.76 A","Number Of Modular Width Units":"1","Tripping Characteristic Class":"C","acc. to EN 60898 / rated value":"10 kA","For Testing Equipment / Minimum":"94 V","Position / Of Power Supply Cord":"from below","Number Of Poles / With Protection":"1","acc. to IEC 60947-2 / rated value":"10 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":"3 kA","Type Of Voltage / Of The Operating Voltage":"AC","Product Component / 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=558612&mlfb=5SU9304-7KX16","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU9304-7KX16/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5SU9304-7KX16?","answer":"Submit an RFQ through this listing. The part is sourced to order via independent distribution; availability and current pricing are confirmed at quote time."},{"question":"What is the difference between 5SU9304-7KX16 and 5SL3116-6MB?","answer":"The 5SL3116-6MB is a standard MCB (overcurrent only), while the 5SU9304-7KX16 is an RCBO that adds 30 mA Type A residual current protection in the same 18 mm footprint. If your circuit requires GFCI-level ground-fault protection, the 5SU9304-7KX16 replaces both an MCB and a separate RCD in one DIN slot. Panel wiring is the same — both are 2-pole, 16 A, C-curve, 10 kA, 1 MW wide — but the RCBO needs the neutral conductor routed through the device for the residual-current sense coil."},{"question":"Will 5SU9304-7KX16 drop into a panel specified around 5SL3116-6MB without rewiring?","answer":"Physically yes — same 18 mm width, same DIN-rail mount, same 2-pole form factor. But the RCBO requires the neutral conductor to pass through the device for residual current sensing, whereas a standard MCB only breaks the line. If the existing panel feeds neutral past the MCB on a separate bus, you'll need to reroute it through the RCBO's neutral terminal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU9304-7KX16","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/5SU9304-7KX16 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}}