{"product_id":"square-d-mxl36450-circuit-breaker","title":"Square D | MXL36450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MXL36450 circuit breaker—a robust, industrial-grade solution engineered for maintenance, retrofit, and replacement projects where exact specifications matter. With a 450A rating, 3-pole configuration, and a 600V operating capability, this unit is built to protect demanding electrical environments while maintaining seamless compatibility with existing Square D MXL frame systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450A\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\u003ePart number:\u003c\/strong\u003e MXL36450\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFrame family:\u003c\/strong\u003e MXL series (Square D)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this specific breaker? Because matching the exact part number and frame type minimizes downtime and eliminates guesswork during replacements. The MXL36450 is designed to drop into compatible panels with the same mounting geometry and electrical characteristics, ensuring you preserve protective coordination and system reliability without juggling alternatives.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRepair and retrofit of existing Square D MXL panelboards where a 450A, 3-pole, 600V unit is specified.\u003c\/li\u003e \u003cli\u003eNew installations in environments that require high-current protection with a proven, compatible form factor.\u003c\/li\u003e \u003cli\u003eMaintenance cycles in industrial facilities, data centers, and commercial electrical rooms that rely on predictable, standard replacement parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to verify compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRefer to your panel’s labeling or service manual to confirm acceptable part numbers and frame type.\u003c\/li\u003e \u003cli\u003eUse the part number MXL36450 as the best reference for compatibility with Square D MXL frames.\u003c\/li\u003e \u003cli\u003eBefore ordering, confirm the breaker’s amperage (450A) and voltage rating (600V) match your system requirements and the panel’s protection scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth replacement\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePower down the equipment and follow proper lockout\/tagout procedures before handling any circuit protection devices.\u003c\/li\u003e \u003cli\u003eCompare the bus connection interface and mounting arrangement to ensure a clean, drop-in replacement.\u003c\/li\u003e \u003cli\u003eKeep a small set of common Square D replacement parts on hand to expedite retrofits and minimize equipment downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand reliability and precise compatibility, the Square D MXL36450 circuit breaker delivers confident protection for high-current circuits. Its 3-pole configuration and 600V rating make it a practical, ready-to-install solution for demanding electrical systems, ensuring safety and continuity across maintenance, retrofit, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426164002978,"sku":"MXL36450","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mxl36450-circuit-breaker-450a-3-pole-600v-567.webp?v=1789525425","url":"https:\/\/www.ampstate.com\/products\/square-d-mxl36450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}