{"product_id":"square-d-ma364501021-circuit-breaker","title":"Square D | MA364501021 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MA364501021 circuit breaker, a purpose-built protection solution for demanding electrical systems. With a 450A rating, 3-pole configuration, and a 600V maximum, this unit is engineered to safeguard high-capacity, three-phase environments while keeping critical equipment running smoothly.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects, the MA364501021 fits squarely into the Square D ecosystem. Use the part number MA364501021 as the authoritative reference to confirm compatibility with your panel or enclosure before ordering, ensuring a clean fit and proper electrical ratings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 450A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e \u003cli\u003eBest use: maintenance, retrofit, and replacement in compatible Square D installations\u003c\/li\u003e \u003cli\u003eCompatibility tip: verify the MA364501021 part number against your panel’s listing and catalog to avoid mismatches\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases span refreshing aging distribution panels, upgrading feeder protection in industrial equipment, or replacing a failed breaker in three-phase systems. Ideal environments include manufacturing floors, modular electrical infrastructures in data centers, and large commercial facilities where reliable current interruption and safe operation matter most.\u003c\/p\u003e \u003cp\u003eWhat sets this breaker apart is its precise alignment with Square D standards, designed to integrate seamlessly with existing Square D panels and components. When selecting a replacement, prioritize matching the part number to your panel documentation and confirm the panel’s listing covers a 450A, 3-pole, 600V device to ensure ongoing compliance and safety.\u003c\/p\u003e \u003cp\u003eIf you’re aiming for dependable protection and straightforward compatibility in your high-capacity electrical system, the MA364501021 is structured to deliver consistent performance and peace of mind through every load cycle.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426347405474,"sku":"MA364501021","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-ma364501021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}