{"product_id":"square-d-mx36450g-circuit-breaker","title":"Square D | MX36450G | Circuit Breaker | 3-Pole | 600V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MX36450G, a 3-pole, 600V plug-in circuit breaker designed for dependable performance in maintenance, retrofit, and replacement projects where exact specifications matter. With the MX36450G part number serving as the clearest compatibility reference, this breaker slots into compatible Square D panels with minimal downtime and a straightforward swap.\u003c\/p\u003e \u003ch3\u003eKey details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eType: Plug-In\u003c\/li\u003e \u003cli\u003eCompatibility reference: The part number MX36450G is the best indicator of fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MX36450G is a smart choice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliability for three-phase systems: The 3-pole configuration is designed to protect three-phase circuits common in commercial and industrial settings.\u003c\/li\u003e \u003cli\u003eEfficient replacements: The plug-in design enables quicker swaps without extensive rewiring, reducing downtime during maintenance or retrofit projects.\u003c\/li\u003e \u003cli\u003eExact-match compatibility: When you’re restoring a panel to its original specification, using the MX36450G ensures you’re aligned with the panel’s intended protection profile.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance outages where a precise, drop-in replacement is required\u003c\/li\u003e \u003cli\u003eRetrofit projects that necessitate restoring original panel specifications\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed breakers in compatible Square D assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to confirm compatibility\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that your panel accepts plug-in, 3-pole breakers of 600V and use the MX36450G as the primary compatibility reference. The part number is the most reliable indicator of fit for this specific device.\u003c\/p\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down and lockout\/tagout the system before handling the breaker.\u003c\/li\u003e \u003cli\u003eInspect the panel cavity and mounting rails for clean contact surfaces to ensure a secure, reliable connection.\u003c\/li\u003e \u003cli\u003eHandle the unit carefully to preserve termination integrity and avoid damage to the plug-in interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426883031202,"sku":"MX36450G","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mx36450g-circuit-breaker-3-pole-600v-plug-256.webp?v=1789636223","url":"https:\/\/www.ampstate.com\/products\/square-d-mx36450g-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}