{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA4120-5ED14-3AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA4120-5ED14-3AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA4120-5ED14-3AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA4120-5ED14-3AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA4 UL Frame 125, 1-pole circuit breaker, 20 A, breaking capacity class M 35 kA @ 277 V, line protection TM210, FTFM, In=20 A, Ir=20 A permanently set, Ii=15 x In.","salesMarkdown":"The Siemens 3VA4120-5ED14-3AA0 is a 1-pole circuit breaker in the 3VA4 UL Frame 125 series, rated 20 A with a 35 kA interrupting capacity at 277 V (class M). The thermal-magnetic trip unit (TM210) has the overload protection Ir permanently set at 20 A, and the short-circuit protection Ii is fixed at 15 x In — no field adjustment for either. This is a made-to-order unit (product class C), so expect a build-to-order lead time; it is not a stocked shelf item. It is sized for line-side protection on a single-phase branch or a 277 V lighting circuit. Because Ir and Ii are both fixed, there is no dial to tweak — you select the breaker for the exact load current and let the thermal curve handle overloads. The 3VA4 frame is a UL 489 listed miniature circuit breaker, so it fits standard panelboard and load-center mounting. The 1-pole form factor occupies one 18 mm module on the DIN rail. For a 20 A continuous load on a 277 V circuit, this is a direct drop-in replacement for any existing 3VA4 or comparable UL 489 breaker with the same frame and trip setting.","metaTitle":"Siemens 3VA4120-5ED14-3AA0 Circuit Breaker, 20 A, 35 kA @ 27","metaDescription":"Siemens 3VA4120-5ED14-3AA0 circuit breaker, 1-pole, 20 A, 35 kA interrupting capacity at 277 V. Active production. RoHS/REACH compliant. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Group Code":"P360","Product Group":"5385","Product class":"C: products manufactured / produced to order, which cannot be reused or re-utilized or be returned against credit.","Quantity Unit":"1 Piece","Product Family":"Ordering Data Overview","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : EAR99","Packaging dimensions (L x W x H)":"472.00 x 396.00 x 213.00 mm","Compliance with the substance restrictions according to RoHS directive":"Since: 13-05-19","REACH Art. 33 Duty to inform according to the current list of candidates":"Lead CAS-No. 7439-92-1 > 0,1 % (w / w)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/eba463da4cb05bca5fbd47222e9ae5b8.pdf","sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/3VA4120-5ED14-3AA0?tree=CatalogTree","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA4120-5ED14-3AA0/alternatives.json"},"ai":{"faq":[{"question":"How do I get pricing and availability for the 3VA4120-5ED14-3AA0?","answer":"Submit an RFQ through our desk. Because this is a made-to-order unit (product class C), it is not held available via RFQ confirmation; we confirm current pricing and lead time at quote time through independent distribution channels."},{"question":"What is the group code and product group for this breaker?","answer":"The group code is P360 and the product group is 5385."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA4120-5ED14-3AA0","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/3VA4120-5ED14-3AA0 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}}