{"product_id":"square-d-mx36300g-circuit-breaker","title":"Square D | MX36300G | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MX36300G Circuit Breaker — a robust, 3-pole protection device rated for 300 amperes and up to 600 volts. Engineered for industrial reliability, this breaker is tailored for maintenance, retrofit, and replacement projects where exact compatibility matters.\u003c\/p\u003e \u003cp\u003eWhy choose MX36300G? Built to Square D’s exacting standards, this 3-pole breaker ensures coordinated protection in 3‑phase systems, reliably disconnecting all lines for enhanced safety. It’s the precise solution when you need a high-current, 600V-compatible breaker that fits your existing Square D panel architecture.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number as your compatibility reference:\u003c\/strong\u003e MX36300G is the definitive reference for fitment — always align this with your panel specs before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage and voltage:\u003c\/strong\u003e 300 A rating supports heavy loads; compatible with 600 V systems in suitable panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-Pole design provides simultaneous disconnection of all conductors, delivering reliable protection in 3‑phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for maintenance, retrofit, and replacement where matching exact specs is required—ensuring you preserve system protection without overhauling hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical notes for installation and planning:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify that your enclosure and panel are designed to accept the MX36300G rating and form factor before ordering.\u003c\/li\u003e \u003cli\u003eKeep the part number on hand to ensure future replacements match the original equipment’s protective characteristics.\u003c\/li\u003e \u003cli\u003eConsider your overall protection strategy: ensure proper coordination with downstream protective devices and that the rating aligns with your system’s needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand precise compatibility and dependable performance in demanding electrical environments, the Square D MX36300G is a strategic choice for safe, reliable power distribution in 3‑phase, 600V applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426337083554,"sku":"MX36300G","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-mx36300g-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}