{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SM2835-8","brand":"Siemens","brandSlug":"siemens","productSlug":"5SM2835-8","canonicalUrl":"https://aoctrl.com/siemens/5SM2835-8","factsUrl":"https://aoctrl.com/api/mcp/products/5SM2835-8","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON RC unit for 5SY, 3-pole, type A, selective, In: 63 A, 1000 mA, Un AC: 400 V, 50 Hz, DIN rail mount, IP20.","salesMarkdown":"This means it is built for installations where a delayed trip is needed to achieve selectivity with downstream RCDs, preventing nuisance tripping on the main feeder while still clearing earth faults. At higher panel temperatures, the unit derates: 58.6 A at 40 °C, 56.7 A at 50 °C, 54.81 A at 55 °C, 53.55 A at 60 °C, 52.29 A at 65 °C, and 50.4 A at 70 °C. The 1000 mA tripping threshold is high — this is for main feeders or sub-distribution where a lower mA rating would cause coordination issues with downstream 30 mA RCDs. The selective design (short-time delayed) ensures the downstream device trips first on a low-impedance fault. Mounting position is any orientation. Insulation voltage is rated 460 V, overvoltage category III, suitable for fixed installation in distribution boards. The unit is silicon-free, which matters for potting or conformal-coating processes in certain industrial environments. Mounts on DIN rail (REG) — standard for distribution boards. Depth is 70 mm, width 107 mm, height 90 mm. The unit is designed for the 5SY series; verify mechanical compatibility with your specific MCB model if using a different brand.","metaTitle":"Siemens 5SM2835-8 SENTRON RC Unit, 63 A, 1000 mA, Type A Sel","metaDescription":"Siemens SENTRON 5SM2835-8 RC unit for 5SY, 3-pole, type A selective, 63 A rated current, 1000 mA tripping fault current, 50 Hz, 400 V AC. Current lifecycle stage, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"70 mm","Width":"107 mm","Height":"90 mm","Maximum":"45 °C","Minimum":"-25 °C","Number Of Poles":"3","lifecycle_stage":"current","Fastening Method":"DIN rail (REG)","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Product Variations":"for 5SY","Maximum Permissible":"75 °C","Minimum Permissible":"-40 °C","Product Designation":"RC unit","at AC / rated value":"63 A","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Selective","Residual Current Type":"A","at 40 °C / rated value":"58.6 A","at 45 °C / rated value":"58.59 A","at 50 °C / rated value":"56.7 A","at 55 °C / rated value":"54.81 A","at 60 °C / rated value":"53.55 A","at 65 °C / rated value":"52.29 A","at 70 °C / rated value":"50.4 A","Number Of Modular Width Units":"3","Product Feature / Silicon-Free":"Yes","For Testing Equipment / Minimum":"195 V","Position / Of Power Supply Cord":"top or bottom","Insulation Voltage / Rated Value":"460 V","Tripping Fault Current / Rated Value":"1 000 mA","Supply Voltage Frequency / Rated Value":"50 Hz","Surge Current Resistance / Rated Value":"5 kA","Switching Function / Short-Term Delayed":"No","size of installation devices / acc. to DIN 43880":"1","Mechanical Service Life (Operating Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/76cc42e7c83bc563aab1e300fd8dacde.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=263554&mlfb=5SM2835-8","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SM2835-8/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SM2835-8 and get a price?","answer":"The 5SM2835-8 is sourced and quoted to order against an RFQ. Submit a request for quote (RFQ) to confirm current availability and pricing — no stock figures or prices are published here."},{"question":"What is the closest functional alternative to 5SM2835-8?","answer":"The 5SL4363-7 is a peer RC unit in the same SENTRON family, but it is a different form factor (for 5SL series) and may have different ratings. The 5SM2835-8 is designed specifically for the 5SY series MCBs. Verify mechanical and electrical compatibility before substituting."},{"question":"Will 5SM2835-8 drop into a panel designed for 5SL4363-7?","answer":"Not without checking. The 5SM2835-8 is designed for the 5SY series MCBs, while the 5SL4363-7 is for the 5SL series. The mounting footprint and busbar connection may differ. Physically compare the two units before assuming interchangeability."},{"question":"What compliance documentation is available for 5SM2835-8?","answer":"The 5SM2835-8 is a Siemens SENTRON product. Standard documentation includes the datasheet and declaration of conformity for the applicable directives (Low Voltage Directive, EMC). Specific certifications (UL, CSA, RoHS, REACH) should be confirmed from the manufacturer's documentation or by request at time of order."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SM2835-8","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/5SM2835-8 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}}