{"product_id":"square-d-mef836li-circuit-breaker","title":"Square D | MEF836LI | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D MEF836LI circuit breaker — a purpose-built protection component engineered for reliability in demanding electrical systems. With a bold 800A rating, a 3-pole configuration, and a 600V capacity, this breaker is designed to fit and function where precise specs matter most — in maintenance, retrofit, and replacement projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage (current rating):\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e MEF836LI — the best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching Square D specifications are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose MEF836LI over generic substitutes? Because it’s specifically designed to align with Square D panels and distribution equipment, ensuring form, fit, and electrical characteristics that minimize downtime and installation guesswork. Always confirm fit and ratings before ordering to ensure you’re pairing the breaker with the exact panel or bus configuration in use.\u003c\/p\u003e \u003cp\u003eIdeal for professionals who manage industrial power distribution, data centers, manufacturing lines, or commercial facilities that rely on stable, scalable protection. This 3-pole design supports balanced three-phase systems, helping ensure all phases are protected consistently and tripping together when needed.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCheck your existing panel label to confirm that MEF836LI is the correct replacement for your enclosure or switchboard.\u003c\/li\u003e \u003cli\u003eKeep a few on hand for planned maintenance windows to reduce downtime during retrofits or capacity upgrades.\u003c\/li\u003e \u003cli\u003eStore and handle breakers per manufacturer guidelines to preserve mechanical and electrical integrity until installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn projects where exact matching specs matter, the Square D MEF836LI offers a precise, dependable solution — blending compatibility, reliability, and a clear path to compliant installation. If you’re upgrading or expanding a three-phase distribution system, this 800A, 3-pole, 600V breaker helps you maintain strong protection without adapters or workarounds.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427244003490,"sku":"MEF836LI","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-mef836li-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}