{"product_id":"square-d-q432300-300a-3-pole-plug-in-circuit-breaker","title":"Square D Q432300 - 300 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D Q432300\u003c\/strong\u003e — a 300A, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers.\u003c\/p\u003e \u003cp\u003eIts fast plug-in connection simplifies installation and replacement, reducing downtime during service upgrades or reconfigurations.\u003c\/p\u003e \u003cp\u003eThe unit uses a thermal-magnetic trip mechanism, delivering stable, repeatable protection against overloads and short circuits as loads shift. This means fewer nuisance trips and consistent protection in fluctuating electrical environments.\u003c\/p\u003e \u003cp\u003eBuilt to integrate with matching OEM load centers and panelboards, it maintains electrical compatibility and system integrity across installations.\u003c\/p\u003e \u003cp\u003eWhether you're wiring a residential subpanel, a commercial distribution board, or a light industrial panel, this 3-pole breaker provides robust protection for high-current circuits.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 300A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches OEM load centers and panelboards for reliable fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Q432300 from AmpState? The combination of a 300A trip unit, plug-in convenience, and compatibility with a range of panel hardware means faster service, safer operation, and streamlined maintenance for electrical systems that demand high current with dependable protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355366215842,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-q432300-300-a-3-pole-plug-in-circuit-breaker-ampstate-441.webp?v=1788752367","url":"https:\/\/www.ampstate.com\/products\/square-d-q432300-300a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}