{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SM3414-0KL","brand":"Siemens","brandSlug":"siemens","productSlug":"5SM3414-0KL","canonicalUrl":"https://aoctrl.com/siemens/5SM3414-0KL","factsUrl":"https://aoctrl.com/api/mcp/products/5SM3414-0KL","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SM3 series RCCB, 2-pole, Type AC, 40 A rated current, 100 mA residual trip, 230 V AC, DIN rail mount, N left.","salesMarkdown":"The Siemens 5SM3414-0KL is a SENTRON 5SM3 series residual current operated circuit breaker (RCCB), 2-pole, Type AC, rated 40 A at 230 V AC with a 100 mA residual trip threshold. It is an instantaneous-trip device — no intentional short-time delay — designed for direct connection to the load side of an overcurrent protective device in a standard DIN-rail enclosure. The 40 A rated current and 100 mA residual trip define its role: it protects a 40 A circuit against earth-leakage faults up to 100 mA, but it is NOT a combined MCB/RCCB — it provides no overcurrent or short-circuit protection, so it must be paired with an upstream MCB or fuse rated to interrupt the prospective fault current. The 2-pole configuration with N left switches both phase and neutral. The neutral terminal is on the left side of the device. Terminals accept 1 to 16 mm² solid or stranded copper, with a tightening torque of 2.5 to 3 N·m. The screw-type terminals are finger and back-of-hand safe per the IPXXB/IPXXC protection class. ## Integration into the panel Silicon-free construction is noted for applications where silicone outgassing can contaminate contacts or optics. The test circuit requires a minimum of 100 V AC to operate. Operating frequency is 50 Hz.","metaTitle":"Siemens 5SM3414-0KL SENTRON RCCB, 40 A, 100 mA, 2-pole, Type","metaDescription":"Siemens 5SM3414-0KL SENTRON RCCB, 40 A rated current, 100 mA tripping, 2-pole Type AC, 230 V, DIN rail mount. Active production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Solid":"1 ... 16 mm²","Stranded":"1 ... 16 mm²","Rated Value":"50 Hz","Wertebereich":"-5 ... +45 °C","Mounting type":"DIN rail (REG)","Number of poles":"2","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Product variations":"N left","Ambient temperature":"-40 ... +75 °C","Operating frequency":"50Hz","Product designation":"RCCB","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":"5SM3","Current / at AC / rated value":"40 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 V","Switching function / short-term delayed":"No","Tripping residual current / rated value":"100 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":"100 V","Mechanical service life (switching cycles) / typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=516613&mlfb=5SM3414-0KL","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SM3414-0KL/alternatives.json"},"ai":{"faq":[{"question":"What wire sizes does the 5SM3414-0KL accept?","answer":"The terminals accept 1 to 16 mm² solid or stranded copper conductors. Tightening torque is 2.5 to 3 N·m."},{"question":"Does the 5SM3414-0KL replace the 5SY4304-7CV?","answer":"No — they are different device classes. The 5SM3414-0KL is a 2-pole Type AC RCCB (residual current protection only), while the 5SY4304-7CV is a 3-pole MCB with C-curve overcurrent protection. They are not drop-in substitutes and serve different functions in the panel."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SM3414-0KL","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/5SM3414-0KL 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}}