{"product_id":"square-d-mgf36300","title":"Square D MGF36300 300A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MGF36300 3-Pole 600 V Circuit Breaker — a purpose-built protection device for demanding three-phase power systems. With a 300 A current rating, this breaker is designed to safely interrupt fault currents and isolate faulty circuits in commercial and industrial panels, helping minimize downtime and equipment damage.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MGF36300\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this 3-pole 600 V design matters: a true three-phase protection solution ensures all phases are isolated together, which is essential for safe operation of three-phase motors and equipment. The 600 V rating aligns with typical industrial distribution environments, giving you a reliable, compatible choice when upgrading or replacing older breakers in Square D panels.\u003c\/p\u003e \u003ch3\u003eIdeal uses\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain protection in three-phase panelboards for commercial or light-industrial applications\u003c\/li\u003e \u003cli\u003eFeeder protection for motor circuits and other three-phase loads\u003c\/li\u003e \u003cli\u003eReplacement part within Square D systems that require an MGF-series breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and installation tips: ensure you’re installing in a compatible Square D panel or enclosure that accepts MGF-series circuit breakers. When selecting a replacement, match the current rating and pole arrangement (300 A, 3-Pole) to preserve system protection and compliance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423099310242,"sku":"MGF36300","price":22696.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-mgf36300","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}