{"product_id":"square-d-mhl366001291-circuit-breaker","title":"Square D | MHL366001291 | Circuit Breaker | 600A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D MHL366001291 Circuit Breaker\u003c\/strong\u003e is a robust protection device designed for maintenance, retrofit, and replacement projects where exact compatibility matters in 600V electrical systems.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e600A\u003c\/strong\u003e current rating, this \u003cstrong\u003e3-Pole\u003c\/strong\u003e breaker provides reliable protection for three-phase installations, ensuring safe interruption during fault conditions and safeguarding equipment and personnel.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 600A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Part number \u003cstrong\u003eMHL366001291\u003c\/strong\u003e for precise fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters for your project\u003c\/h3\u003e\n\u003cp\u003eThis unit is identified by its exact part number, simplifying compatibility checks with existing Square D panels. It’s ideal for projects where you need to match the exact physical footprint and electrical configuration used in your current installation, reducing downtime and easing sourcing of the correct replacement.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on legacy Square D panels that require a precise replacement\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade protection in three‑phase 600V systems\u003c\/li\u003e \u003cli\u003eReplacement in industrial control panels that specify 600A, 3-Pole, 600V specifications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eOrdering and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eTo avoid mismatches, use the part number \u003cstrong\u003eMHL366001291\u003c\/strong\u003e as the primary compatibility reference. Before ordering, confirm \u003cstrong\u003eamperage\u003c\/strong\u003e (600A), \u003cstrong\u003epoles\u003c\/strong\u003e (3-Pole), and \u003cstrong\u003evoltage\u003c\/strong\u003e (600V) against your panel’s documentation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426417496226,"sku":"MHL366001291","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl366001291-circuit-breaker-600a-3-pole-600v-672.webp?v=1789573006","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl366001291-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}