{"product_id":"square-d-ma363501021-circuit-breaker","title":"Square D | MA363501021 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your electrical system demands reliable, high-current protection, the Square D MA363501021 circuit breaker delivers clear, purpose-built performance. This 350A, 3-pole device is designed for 600V applications and is ideal for maintenance, retrofit, or replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 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 MA363501021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model matters in real-world use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSupports heavy-duty distribution and motor circuits that require solid three-pole protection at 600V, helping prevent damage from short circuits and overloads.\u003c\/li\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement scenarios where exact compatibility is essential, reducing guesswork during panel upgrades or service work.\u003c\/li\u003e \u003cli\u003eThe MA363501021 reference point provides a straightforward path to finding the right fit for your Square D installations, ensuring electrical integrity and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for selecting and installing:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering—the part number MA363501021 is the best reference for compatibility with your panel or equipment.\u003c\/li\u003e \u003cli\u003eConfirm that your system’s current, pole arrangement, and voltage align with 350 A, 3-Pole, and 600 V ratings to ensure seamless integration and reliable protection.\u003c\/li\u003e \u003cli\u003ePlan replacements or retrofits around panels and feeders that require precise 3-pole protection to maintain balanced phase protection and trip coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for industrial facilities, machine control panels, and heavy-load distribution where dependable 3-pole protection at 600V is required, the Square D MA363501021 provides a straightforward, specification-driven solution that designers and technicians can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426347798690,"sku":"MA363501021","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-ma363501021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}