{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2170-2YA32","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2170-2YA32","canonicalUrl":"https://aoctrl.com/siemens/5SQ2170-2YA32","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2170-2YA32","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SQ miniature circuit breaker, 1-pole, C-curve, 32 A rated current, 3 kA breaking capacity per EN 60898, 240 V AC, IP20, 55 mm depth.","salesMarkdown":"The Siemens SENTRON 5SQ2170-2YA32 is a 1-pole miniature circuit breaker (MCB) with a C-curve tripping characteristic, rated 32 A at 240 V AC and 50 Hz. It is designed for branch-circuit overcurrent and short-circuit protection in final distribution boards, lighting circuits, and general-purpose loads where moderate inrush currents (e.g., small motors, transformers, fluorescent ballasts) are expected. The C-curve means it trips magnetically at 5–10 times rated current — a good fit for mixed resistive-inductive loads that don't need the higher inrush headroom of a D-curve. Rated breaking capacity is 3 kA per EN 60898 — the standard for household and similar installations. That's the maximum prospective short-circuit current the MCB can safely interrupt at its rated voltage. In a commercial or light industrial panel fed by a transformer with a low-impedance path, fault levels can exceed 3 kA; if your available fault current is higher, this breaker is not the right choice. For comparison, the 3-pole sibling 5SQ2370-2YA04 shares the same 3 kA rating but at 400 V and 4 A — same series, same fault-handling capability, different pole/current configuration. Single modular width unit (1 MW) with an installation depth of 55 mm — fits standard DIN-rail enclosures used across the SENTRON 5SQ series.","metaTitle":"Siemens SENTRON 5SQ2170-2YA32 MCB, 1-pole C-curve 32 A 3 kA","metaDescription":"Siemens SENTRON 5SQ2170-2YA32 miniature circuit breaker, 1-pole, C-curve, 32 A, 3 kA per EN 60898, 240 V AC. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Number Of Poles":"1","Type Of Voltage":"AC/DC","lifecycle_stage":"current","Installation Depth":"55 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","protection class IP":"IP20","Overvoltage Category":"3","Design Of The Product":"Miniature circuit breaker 5SQ","Number Of Poles / Note":"1P","Energy Limitation Class":"3","Number Of Modular Width Units":"1","Tripping Characteristic Class":"C","acc. to EN 60898 / rated value":"3 kA","supply voltage / at AC / rated value":"240 V","Supply Voltage Frequency / Rated Value":"50 Hz","operational current / at AC / rated value":"32 A","Product Function / Neutral Conductor Switching":"No"}},"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=336500&mlfb=5SQ2170-2YA32","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2170-2YA32/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SQ2170-2YA32?","answer":"It is rated 3 kA per EN 60898 at 240 V AC — the standard for household and similar installations, sufficient for most final sub-circuits but not for high-fault panels above that level."},{"question":"Will 5SQ2170-2YA32 drop into a panel specified around 5SQ2370-2YA04 without rewiring?","answer":"No — the 5SQ2370-2YA04 is a 3-pole, 4 A, 400 V MCB. The 5SQ2170-2YA32 is 1-pole, 32 A, 240 V. They share the same 55 mm depth and DIN-rail footprint, but the pole count, voltage, and current ratings differ, so a direct swap without rewiring is not possible."},{"question":"Where can I buy 5SQ2170-2YA32?","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 to receive a firm offer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2170-2YA32","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/5SQ2170-2YA32 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}}