{"product_id":"square-d-mxf36400g-circuit-breaker","title":"Square D | MXF36400G | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MXF36400G, a purpose-built circuit breaker engineered for robust protection in demanding 3-phase systems. With a 400A rating and 3-pole configuration, this breaker is designed to guard equipment and personnel in commercial and industrial applications while fitting within compatible Square D panels and switchgear.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent and configuration:\u003c\/strong\u003e 400A, 3-pole, 600V maximum, providing reliable protection for three-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted use cases:\u003c\/strong\u003e Ideal for maintenance, retrofit, and replacement projects where exact specifications and a precise fit are required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e The part number MXF36400G is your best reference for matching panels and ratings—always confirm fit with the panel manufacturer before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation mindset:\u003c\/strong\u003e Designed to integrate into compatible Square D systems, enabling straightforward replacement without extensive rewiring in supported configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this MXF36400G in your next upgrade or service project? It delivers consistent, dependable protection for three-phase loads at up to 600V, helping minimize downtime and protect motors, drives, and distribution equipment. Use cases include replacing aging breakers in distribution panels, upgrading a feeder to handle increased load, or retrofitting a panel to meet new electrical demands in manufacturing floors, data centers, or processing facilities.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for a smooth purchase\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings with the panel documentation—the MXF36400G is the strongest compatibility reference for this exact part.\u003c\/li\u003e \u003cli\u003eDouble-check the panel accepts a 3-pole, 400A device and that a 600V rating aligns with your system’s nominal voltage.\u003c\/li\u003e \u003cli\u003eKeep the replacement workflow efficient by preparing the correct torque specs and ensuring system de-energization procedures are followed during swap-out.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D MXF36400G is a purpose-driven choice for professionals who need a precise, reliable 400A, 3-pole, 600V circuit breaker that aligns with established Square D ecosystems. It’s built to support maintenance cycles, retrofit initiatives, and steady, safe operation of three-phase electrical networks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426272039074,"sku":"MXF36400G","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-mxf36400g-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}