{"product_id":"square-d-mel36800li-circuit-breaker","title":"Square D | MEL36800LI | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MEL36800LI Circuit Breaker — a rugged, high-capacity protection device designed for demanding electrical systems. With an 800A rating, three poles, and a 600V maximum voltage, this genuine Square D component is built for reliability in maintenance, retrofit, and replacement projects where exact compatibility matters. Always verify fit and ratings before ordering; the MEL36800LI part number is the most reliable reference for ensuring a seamless match.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection:\u003c\/strong\u003e 800A capacity provides sturdy protection for heavy feeders and large power distribution circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Multiphase protection ensures balanced tripping across all phases, helping prevent equipment damage and uneven loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V system compatibility:\u003c\/strong\u003e Suitable for a wide range of industrial and commercial electrical installations that operate at up to 600V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM reliability:\u003c\/strong\u003e A genuine Square D part, engineered to integrate smoothly with Square D panels and accessories for consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases:\u003c\/strong\u003e Ideal for maintenance upgrades, retrofit projects, and replacement scenarios where exact part matching is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this specific breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the MEL36800LI delivers the exact electrical characteristics, mounting footprint, and trip behavior you expect from a Square D product. By sticking with the part number MEL36800LI, you minimize compatibility questions and reduce installation surprises, keeping downtime to a minimum and ensuring ongoing protection for your power system.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities upgrading feeders to handle higher loads while preserving protection standards\u003c\/li\u003e \u003cli\u003eRetrofit projects where panel layouts require a precise, compatible 3-pole, 600V breaker\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed breakers in large machine rooms, process lines, and central power distribution panels\u003c\/li\u003e \u003cli\u003eMaintenance of critical infrastructure where consistent performance and dependable tripping are essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for selection and installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit using the exact part number MEL36800LI and compare with your panel’s labeling and catalog data.\u003c\/li\u003e \u003cli\u003eEnsure the system voltage does not exceed 600V and that the feeder configuration matches a 3-pole setup.\u003c\/li\u003e \u003cli\u003eEngage a licensed electrician for installation to comply with safety and local electrical codes.\u003c\/li\u003e \u003cli\u003eStore spare breakers in a dry, clean environment and handle with care to preserve internal mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 800A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: MEL36800LI\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426344882338,"sku":"MEL36800LI","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mel36800li-circuit-breaker-800a-3-pole-600v-933.webp?v=1789560349","url":"https:\/\/www.ampstate.com\/products\/square-d-mel36800li-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}