{"product_id":"square-d-mga36450-450a-600v-3-pole-plug-in-circuit-breaker","title":"Square D MGA36450 - 450 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D MGA36450\u003c\/strong\u003e is a high-capacity, plug-in molded case circuit breaker engineered to safeguard your electrical distribution in panelboards and load centers. With a robust 450 A rating at up to 600 V and a 3-pole configuration, this device delivers dependable branch circuit overcurrent and short-circuit protection for demanding residential, commercial, and light industrial environments. The fast plug-in connection makes installation and future replacement quick and straightforward, helping you minimize downtime and keep critical circuits protected.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and easy replacement, reducing service time during upgrades or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by reliably responding to overcurrent and short-circuit conditions across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e suited for three-phase circuits, delivering solid protection for larger loads and equipment fed from three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e450 A amperage rating\u003c\/strong\u003e handles heavy branch circuits without compromising protection or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V voltage rating\u003c\/strong\u003e supports medium-voltage distribution in compliant panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e works with matching Square D OEM load centers and panelboards for seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial installations requiring reliable, scalable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MGA36450\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 450 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios and benefits\u003c\/h3\u003e\n\u003cp\u003eIn residential settings, the MGA36450 is a robust solution for feeders and large branch circuits that demand reliable protection without sacrificing serviceability. In commercial environments, it supports panels that feed lighting, HVAC, and critical equipment, providing a clear protection boundary for three-phase loads. For light industrial facilities, it offers a scalable, plug-in option that can accommodate evolving electrical distribution needs while maintaining fast, straightforward replacement when upgrades or servicing are required.\u003c\/p\u003e \u003cp\u003eWhy choose this model? Its combination of high amperage, solid thermal-magnetic protection, and plug-in convenience translates to less downtime, easier maintenance, and a dependable safety margin for your distribution network. Pair it with a compatible OEM load center, and you gain a cohesive, streamlined protection solution designed to perform reliably in real-world operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355343278242,"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-mga36450-450-a-600-v-3-pole-plug-in-circuit-breaker-249.webp?v=1788751242","url":"https:\/\/www.ampstate.com\/products\/square-d-mga36450-450a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}