{"product_id":"square-d-ma265001021-circuit-breaker","title":"Square D | MA265001021 | Circuit Breaker | 500A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D MA265001021 Circuit Breaker\u003c\/strong\u003e is a genuine OEM protection device engineered for demanding electrical environments. With a 500-amp rating, three-pole configuration, and a 600-volt maximum, this breaker delivers reliable overcurrent protection for mid- to large-scale circuits in industrial panels and commercial installations.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specifications matter, the MA265001021 ensures compatibility and predictable performance when upgrading or renewing critical power infrastructure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 500 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MA265001021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include servicing or expanding control panels, main distribution panels, or branch circuits that require a high-capacity 3-pole breaker in 600V systems. It’s a solid choice for manufacturing floors, data centers, and facilities that depend on reliable, scheduled protection against overcurrent events.\u003c\/p\u003e \u003cp\u003eWhy choose this Square D breaker? As an authentic Square D component, it’s built to integrate smoothly with compatible panels and accessories, simplifying spare-part procurement and reducing installation guesswork. If you’re performing a retrofit or replacement in a 600V environment, this MA265001021 provides a straightforward, dependable path to restoring safe, continuous operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426394886306,"sku":"MA265001021","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-ma265001021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}