{"product_id":"square-d-me4ct2","title":"Square D ME4CT2 400A Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D ME4CT2 400A Circuit Breaker — a rugged, high-capacity protective device built for demanding electrical environments. Part of Square D’s trusted ME series, this 400-amp breaker is designed to deliver reliable overcurrent protection for major feeders and main service circuits in commercial and light-industrial panels.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A current rating\u003c\/strong\u003e provides robust protection for heavy-load circuits, helping prevent equipment damage and unexpected outages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number ME4CT2\u003c\/strong\u003e ensures precise replacement in compatible Square D installations, simplifying procurement and installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eME-series compatibility\u003c\/strong\u003e means seamless integration with Square D panels and switchgear, enabling coordinated protection across the power distribution system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable molded-case construction\u003c\/strong\u003e delivers reliable performance in real-world electrical environments, with solid construction designed to withstand heat and vibration typical of industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip mechanism\u003c\/strong\u003e provides fast, predictable response to overloads and fault conditions, helping to isolate problems quickly and minimize downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact form factor\u003c\/strong\u003e optimizes space in crowded panels, making it easier to plan and wire large distribution schemes without compromising protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMain service disconnects in commercial buildings and light-industrial facilities that require a reliable 400A protection device.\u003c\/li\u003e \u003cli\u003eMain feeders or large branch circuits within distribution panels that are designed to accept ME-series breakers.\u003c\/li\u003e \u003cli\u003eReplacement for existing ME4-series breakers to maintain system compatibility and protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat you gain by choosing the ME4CT2\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA trusted, brand-name solution from Square D that aligns with other protection devices in your system, reducing compatibility concerns.\u003c\/li\u003e \u003cli\u003eClear, confident protection for high-load circuits, helping keep critical equipment operational and reducing the risk of cascading faults.\u003c\/li\u003e \u003cli\u003eStreamlined maintenance and replacement with a readily identifiable 400A part that matches your existing panel labeling and wiring schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTips for installation and use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm that your panel accepts ME-series breakers and that the interrupting rating matches your system requirements.\u003c\/li\u003e \u003cli\u003eFollow proper safety procedures during replacement: de-energize, discharge stored energy, and use appropriate PPE.\u003c\/li\u003e \u003cli\u003eConsider pairing this main-breaker solution with compatible Square D accessories to maintain proper switching, labeling, and protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn summary, the Square D ME4CT2 400A Circuit Breaker is a purpose-built, dependable choice for safeguarding high-current circuits in demanding electrical installations. With its 400-amp rating and ME-series compatibility, it delivers clear, scalable protection and straightforward integration into your power distribution strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423539843234,"sku":"ME4CT2","price":1376.0,"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-me4ct2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}