{"product_id":"square-d-lgn36400u31x-circuit-breaker","title":"Square D | LGN36400U31X | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LGN36400U31X 3-Pole Circuit Breaker—built to protect 3-phase electrical systems with dependable, in-field reliability. This unit is purpose-built for maintenance, retrofit, and replacement projects where matching specifications matters, ensuring your panel continues to operate safely and efficiently.\u003c\/p\u003e \u003ch2\u003eWhy this 3-Pole breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThree-pole design tailored for 3-phase circuits, delivering coordinated protection across all phases in commercial and industrial applications.\u003c\/li\u003e \u003cli\u003eAuthentic Square D component, designed to harmonize with compatible panels and maintain system integrity during upgrades or service work.\u003c\/li\u003e \u003cli\u003eFocused on practicality: ideal for ongoing maintenance, panel retrofits, or field replacements where exact part compatibility is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow to use it effectively\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace worn or failed breakers to restore reliable circuit protection without invasive panel changes.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade aging infrastructure by selecting a like-for-like model that preserves protection schemes and labeling consistency.\u003c\/li\u003e \u003cli\u003eReplacement planning: Keep LGN36400U31X on hand as a ready-to-install option for scheduled downtime or emergency scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify that the panel specifications and current ratings align with this breaker. The LGN36400U31X part number is the most precise reference for compatibility—use it to confirm fit, ratings, and terminal configuration with your specific Square D panel.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003ePart: LGN36400U31X\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose this model for your project\u003c\/h2\u003e\n\u003cp\u003eIf your goal is a straightforward, reliable replacement or retrofit that preserves the protection strategy of your existing system, this 3-Pole Square D breaker offers a precise, standards-aligned option. It’s designed to integrate smoothly with compatible panels, minimize downtime, and support ongoing electrical safety and performance in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426631536802,"sku":"LGN36400U31X","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lgn36400u31x-circuit-breaker-3-pole-821.webp?v=1789599166","url":"https:\/\/www.ampstate.com\/products\/square-d-lgn36400u31x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}