{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2370-2YA20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2370-2YA20","canonicalUrl":"https://aoctrl.com/siemens/5SQ2370-2YA20","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2370-2YA20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SQ, miniature circuit breaker, 3-pole, C 20 A, 400 V AC, 3 kA acc. to EN 60898, 55 mm depth, IP20.","salesMarkdown":"The 5SQ2370-2YA20 is a Siemens SENTRON 5SQ miniature circuit breaker—3-pole, C-curve, rated 20 A at 400 V AC, with a 3 kA breaking capacity to EN 60898. The 55 mm installation depth and 3 width units (17.5 mm per unit) mean it fits standard distribution boards without crowding the gland plate.","metaTitle":"Siemens SENTRON 5SQ2370-2YA20 MCB, 3-pole C 20 A, 3 kA","metaDescription":"Siemens SENTRON 5SQ2370-2YA20 miniature circuit breaker, 3-pole, C-curve, 20 A, 400 V AC, 3 kA breaking capacity to EN 60898. Current lifecycle stage. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Number of poles":"3","Type of voltage":"AC/DC","lifecycle_stage":"current","Installation depth":"55 mm","Product brand name":"SENTRON","Degree of pollution":"3","Protection class IP":"IP20","Overvoltage category":"3","Energy limiting class":"3","Number of width units":"3","Number of poles / Note":"3P","circuit-breaker / Design":"5SQ","Current / at AC / rated value":"20 A","Tripping characteristic class":"C","acc. to EN 60898 / rated value":"3 kA","Supply voltage / at AC / rated value":"400 V","Supply voltage frequency / rated value":"50 Hz","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=507567&mlfb=5SQ2370-2YA20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2370-2YA20/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SQ2370-2YA20 and get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at the time of quotation—submit an RFQ for a firm quote."},{"question":"Will 5SQ2370-2YA20 drop into a panel specified around 5SQ2370-2YA04?","answer":"Yes—both are 3-pole, C-curve, 55 mm depth, 3 width units, same SENTRON 5SQ family. The only difference is the current rating: 20 A vs 4 A. No rewiring or panel modification needed; just swap the MCB."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2370-2YA20","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/5SQ2370-2YA20 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}}