{"product_id":"square-d-me436lig","title":"Square D ME436LIG 400A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding three-phase power distribution, the Square D ME436LIG 400A 3-Pole 600 V Circuit Breaker delivers reliable overload and short-circuit protection for industrial and large commercial panels. Its 400 A current rating paired with a 3-pole configuration ensures all phases trip together, preserving system safety and minimizing downtime during faults. With a 600 V rating, it is designed to protect line conductors and equipment in high-voltage distribution networks while contributing to smoother maintenance and service transitions.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in real-world setups\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for synchronized protection\u003c\/strong\u003e — simultaneous disconnection across all phases enhances safety and reduces the risk of phase imbalance during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A continuous current rating\u003c\/strong\u003e — robust protection for large feeders and heavy machinery common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum system voltage\u003c\/strong\u003e — suitable for a wide range of three-phase distribution networks, including commercial and industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number ME436LIG\u003c\/strong\u003e — a dedicated Square D solution designed to integrate with Square D panels and components for dependable performance and straightforward replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, molded-case construction\u003c\/strong\u003e — built to withstand demanding environments typical of manufacturing floors and service entrances.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain feeders and service disconnects in large commercial facilities and manufacturing plants\u003c\/li\u003e \u003cli\u003eProtection for heavy machinery and conveyors powered by three-phase 480–600 V systems\u003c\/li\u003e \u003cli\u003ePanel upgrades or replacements where a high-current, three-pole breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Square D breaker\u003c\/h3\u003e\n\u003cp\u003eAs a trusted name in electrical protection, Square D breakers are known for consistent performance and compatibility with a broad ecosystem of Square D distribution equipment. The ME436LIG combines a high current rating with a straightforward, three-pole architecture, making it a practical, long-term solution for safeguarding critical loads while simplifying maintenance and replacement in existing panels.\u003c\/p\u003e \u003ch3\u003ePractical notes and installation readiness\u003c\/h3\u003e\n\u003cp\u003eDesigned to integrate with Square D distribution systems, this 400 A, 3-pole, 600 V circuit breaker is a pragmatic choice for upgrading capacity or replacing worn-out units in established installations. Ensure your panel rating aligns with a 400 A, three-phase protection scheme and verify mounting compatibility with ME-series molded-case breakers for a seamless fit and reliable operation.\u003c\/p\u003e \u003cp\u003eSecure reliable, phase-balanced protection for your high-demand electrical infrastructure with the Square D ME436LIG 400A 3-Pole 600 V Circuit Breaker—where safety, performance, and ease of replacement meet in a single, dependable solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423099572386,"sku":"ME436LIG","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-me436lig-400a-3-pole-600-v-circuit-breaker-582.webp?v=1789269585","url":"https:\/\/www.ampstate.com\/products\/square-d-me436lig","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}