{"product_id":"square-d-ma36300cba-circuit-breaker","title":"Square D | MA36300CBA | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover dependable power protection with the Square D MA36300CBA Circuit Breaker — a 300A, 3-pole solution crafted for serious three-phase systems up to 600V. Designed for maintenance, retrofit, and replacement projects, this breaker aligns with exact specifications to keep your electrical distribution running safely and reliably.\u003c\/p\u003e \u003ch2\u003eWhy this Square D MA36300CBA stands out\u003c\/h2\u003e\n\u003cp\u003eWhen your panels demand precise compatibility and durable performance, the MA36300CBA delivers. Built to integrate seamlessly with existing Square D infrastructure, it helps you maintain consistent protection without the guesswork of cross-reference substitutions. The three-pole design provides comprehensive phase protection for three-phase circuits, while the 600V rating covers a wide range of commercial and industrial applications.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 300A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: MA36300CBA — best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliable replacement for aging or failing breakers in Square D panels, minimizing downtime and maintenance headaches\u003c\/li\u003e \u003cli\u003eAccurate match for retrofit projects where exact specs are non-negotiable\u003c\/li\u003e \u003cli\u003eConsistent protection across all three phases, helping prevent unbalanced loads and electrical faults\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities and manufacturing environments with three-phase power distribution\u003c\/li\u003e \u003cli\u003eRetrofit projects in aging Square D panels where current hardware has reached its service life\u003c\/li\u003e \u003cli\u003eMaintenance and parts stock for service crews who require precise, compatible replacements\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for purchasing and installation\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number MA36300CBA is the most reliable reference for compatibility with your existing Square D equipment. When planning a replacement or retrofit, verify panel type, bus configuration, and mounting style to ensure seamless installation and uninterrupted protection.\u003c\/p\u003e \u003ch3\u003eWhat to expect in use\u003c\/h3\u003e\n\u003cp\u003eWith the MA36300CBA, you gain a robust, three-pole protective device designed to endure in demanding environments. This breaker supports stable fault interruption performance and aligns with Square D’s standards for performance and reliability, helping facilities run smoothly with fewer interruptions and more predictable maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426347831458,"sku":"MA36300CBA","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-ma36300cba-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}