{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SM2725-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5SM2725-0","canonicalUrl":"https://aoctrl.com/siemens/5SM2725-0","factsUrl":"https://aoctrl.com/api/mcp/products/5SM2725-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SM2725-0 RC unit for 5SY, 2-pole, type AC, In: 63 A, 500 mA, Un AC: 230 V.","salesMarkdown":"It provides earth fault protection in 50 Hz AC systems at a rated voltage of 230/400 V, with a rated residual current of 500 mA and a rated current of 63 A. It is finger- and back-of-hand safe (IP20 with connected conductors in an installed distribution board) and carries overvoltage category III. ## Thermal derating and conductor sizing At 40 °C the 5SM2725-0 is rated at 58.59 A, and at 45 °C it holds the same 58.59 A. Derating begins above 45 °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. Terminals accept solid or stranded conductors from 1.5 mm² up to 25 mm², with a tightening torque of 2.5 to 3 N·m. Supply connection can be made from the top or bottom. Installation depth is 70 mm.","metaTitle":"Siemens SENTRON 5SM2725-0 RC Unit, 63 A, 500 mA, 2-Pole","metaDescription":"Siemens SENTRON 5SM2725-0 RC unit for 5SY, 2-pole, type AC, 63 A, 500 mA, 230/400 V. DIN rail mount. Active lifecycle. Quoted on request.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Solid":"1.5 ... 25 mm²","Stranded":"1.5 ... 25 mm²","at 40 Cel":"58.59 A","at 45 Cel":"58.59 A","at 50 Cel":"56.7 A","at 55 Cel":"54.81 A","at 60 Cel":"53.55 A","at 65 Cel":"52.29 A","at 70 Cel":"50.4 A","Rated Value":"50 Hz","Mounting type":"DIN rail (REG)","During Storage":"-40 ... +75 °C","Number of poles":"2","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Product variations":"for 5SY","Ambient temperature":"-5 ... +45 °C","Operating frequency":"50Hz","Product designation":"RC unit","Protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage category":"III","Design of the product":"Instantaneous","Number of width units":"2","Type of fault current":"AC","circuit-breaker / Design":"5SM2","Current / at AC / rated value":"63 A","Product feature / silicon-free":"Yes","Position / of power supply cord":"top or bottom","Protection against electrical shock":"Finger and back-of-hand safe","Supply voltage / at AC / rated value":"230/400 V","Switching function / short-term delayed":"No","Tripping residual current / rated value":"500 mA","Tightening torque / with screw-type terminals":"2.5 ... 3 N·m","Size of installation devices / acc. to DIN 43880":"1","Supply voltage / for testing equipment / minimum":"195 V","Mechanical service life (switching cycles) / typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/14c362c76f5b3b793bbe0901bfbd5485.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=391884&mlfb=5SM2725-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SM2725-0/alternatives.json"},"ai":{"faq":[{"question":"Who supplies 5SM2725-0 and how is it quoted for volume purchases?","answer":"This part is sourced through our independent distribution channel. Submit an RFQ for volume pricing and availability — confirmed at quote time."},{"question":"What is 5SM2725-0's listed solid and stranded conductor range?","answer":"Both solid and stranded conductors from 1.5 mm² to 25 mm² are accepted by the screw terminals."},{"question":"What compliance documentation does this brand provide for 5SM2725-0?","answer":"The product is a Siemens SENTRON device. Standard compliance documentation (RoHS, REACH, UL, IEC) is available from Siemens on request; no specific cert numbers are listed in this entry."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SM2725-0","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/5SM2725-0 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}}