{"product_id":"square-d-mx36450-circuit-breaker","title":"Square D | MX36450 | Circuit Breaker | 450A | 3-Pole | 600V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MX36450 circuit breaker—the plug-in protection you can count on for demanding industrial panels, retrofit projects, and maintenance replacements that demand exact compatibility. With a 450A rating, 3-pole configuration, and a 600V operating limit, this unit is purpose-built to safeguard large feeders and multi-branch circuits in commercial and industrial environments.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 450A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eMounting: Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MX36450 stands apart\u003c\/h3\u003e\n\u003cp\u003eDesigned for quick, reliable replacements, the MX36450’s plug-in format minimizes panel downtime during service calls. Its exact match to Square D systems means you’ll get the right frame, trip characteristics, and mounting compatibility when you need to retrofit, replace, or maintain large-draw circuits. The part number MX36450 serves as the strongest compatibility reference, helping you avoid mismatches in protection type or mounting footprint.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or retrofit on 450A, 600V three-phase feeder circuits\u003c\/li\u003e \u003cli\u003eReplacement in existing Square D panels where exact specs are required\u003c\/li\u003e \u003cli\u003eUpgrading protection in industrial facilities, data centers, or large commercial installations that use 600V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless integration with your panel. Use MX36450 as the best reference for compatibility with Square D equipment. Verify that the panel family, mounting scheme, and desired protection level align with this 3-pole, 450A, 600V plug-in breaker to avoid any configuration gaps.\u003c\/p\u003e \u003ch3\u003ePractical benefits in everyday operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStrong protection for high-current circuits without compromising quick serviceability\u003c\/li\u003e \u003cli\u003ePlug-in design enables faster replacements, reducing downtime during maintenance or upgrades\u003c\/li\u003e \u003cli\u003eThree-pole coordination provides synchronized disconnection across all live conductors for enhanced safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427242332322,"sku":"MX36450","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-mx36450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}