{"product_id":"square-d-mefc836lsig-circuit-breaker","title":"Square D | MEFC836LSIG | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding industrial power systems, the Square D MEFC836LSIG circuit breaker delivers reliable overcurrent protection for 600V, three‑phase networks. Built to support maintenance, retrofit, and replacement projects where exact specifications matter, this unit helps you keep critical equipment safe and running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800 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 MEFC836LSIG\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this MEFC836LSIG breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrecise compatibility for existing panels and switchgear that require the MEFC form factor, minimizing modification needs during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003eClear, actionable reference for field teams: rely on the part number MEFC836LSIG to confirm fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003eDesigned to support high-current, three-phase circuits common in industrial environments, helping protect motors, drives, and other heavy loads from overcurrent events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace worn or tripped units in 600V three-phase distribution systems to restore reliable protection.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade legacy installations with a current-grade protective device that matches exact specs for a seamless footprint.\u003c\/li\u003e \u003cli\u003eReplacement stock: keep on-hand for quick field service in factories, data centers, and other facilities with demanding electrical infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant fit guidance\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings match your equipment. The part number MEFC836LSIG is the best reference for compatibility, ensuring the amperage, poles, and voltage align with your panel’s requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426344915106,"sku":"MEFC836LSIG","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-mefc836lsig-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}