{"product_id":"square-d-ma263501121-circuit-breaker","title":"Square D | MA263501121 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MA263501121 circuit breaker is a robust protective device engineered for demanding electrical environments. With a 350A rating, 3-pole configuration, and 600V capacity, this breaker delivers dependable, three-phase protection essential for industrial distributions and large electrical panels.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specifications matter, this unit aligns with existing Square D installations. Using the exact part number MA263501121 helps ensure compatibility and minimizes downtime during upgrades or service work.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference for compatibility:\u003c\/strong\u003e Part number MA263501121\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e facilities undergoing panel modernization, service replacements, or new installations that require a high-current, three-phase interrupting device. This breaker is well-suited for data centers, manufacturing floors, and other industrial environments where reliable protection and precise current handling are essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse MA263501121 as the primary compatibility reference when sourcing parts for existing Square D panels.\u003c\/li\u003e \u003cli\u003eConfirm fit and ratings before ordering to match your panel’s catalog, labeling, and three-phase load requirements.\u003c\/li\u003e \u003cli\u003ePlan replacements during planned maintenance windows to minimize operational disruption and ensure correct trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and safety note: Power should be fully isolated before any replacement work. Installers should follow all applicable electrical codes and use appropriate PPE. If you’re unsure about compatibility or installation, consult a licensed electrician to verify panel compatibility and proper electrical protection alignment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426399342754,"sku":"MA263501121","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-ma263501121-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}