{"product_id":"siemens-3va9243-0jb12-250a-3p-circuit-breaker","title":"Siemens 3VA9243-0JB12 250A 3P Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA9243-0JB12 — a rugged, OEM-grade 3-pole circuit breaker engineered for reliable circuit protection in panelboards, load centers, and electrical distribution systems. This 250 A device is designed for replacement projects and stocking spares, helping you keep your bill of materials aligned exactly to the original part number. Available from AmpState, your source for genuine Siemens components.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens 3VA9243-0JB12 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e — designed to match the original Siemens BOM, reducing the risk of incompatibility during replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection\u003c\/strong\u003e — 250 A, 3-pole configuration supports heavy-load circuits and coordinated protection across multiple phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile deployment\u003c\/strong\u003e — suitable for panelboards, load centers, and other electrical distribution setups, making it a go-to choice for both new installs and refurbishments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStock-ready for projects\u003c\/strong\u003e — a reliable spare that keeps maintenance schedules on track and minimizes downtime when a panel requires a like-for-like replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect sourcing\u003c\/strong\u003e — AmpState offers this exact part number (3VA9243-0JB12) with support to verify fit and compatibility for your specific panel or distribution assembly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement projects where maintaining the original BOM is critical for UL listings and panel labeling.\u003c\/li\u003e \u003cli\u003eSpare parts kits for service vans or maintenance bays, ensuring quick outage recovery without altering protective coordination.\u003c\/li\u003e \u003cli\u003eUpgrades or expansions of Siemens-based electrical distribution where a like-for-like trip curve and electrical characteristics are essential.\u003c\/li\u003e \u003cli\u003eNew installations that require a proven Siemens solution to protect feeders, subpanels, and distribution circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA9243-0JB12\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. By choosing this exact Siemens 3VA9243-0JB12, you’re opting for a reliable, OEM-aligned solution that supports consistent protection, streamlined maintenance, and peace of mind across your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411050647714,"sku":"3VA9243-0JB12","price":293.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-3va9243-0jb12-250a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}