{"product_id":"square-d-lhl36300v-circuit-breaker","title":"Square D | LHL36300V | Circuit Breaker | 300A | 3-Pole | 36300V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LHL36300V circuit breaker is designed for demanding industrial power systems where reliability and exact compatibility matter. This 3-pole, 300A breaker protects three-phase feeders with a voltage rating of 36300V, making it a precise match for high-demand installations. The part number LHL36300V is the best reference for compatibility, and it’s ideal for maintenance, retrofit, and replacement projects that require identical specs.\u003c\/p\u003e \u003ch2\u003eKey benefits and what makes it unique\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact spec match\u003c\/strong\u003e: The specific part number LHL36300V ensures it fits panels and distribution systems that rely on Square D’s LHL-series breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for three-phase systems\u003c\/strong\u003e: Protects all three phases and coordinates with downstream devices for balanced, reliable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e: 300A rating supports heavy-load feeders common in industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage capacity\u003c\/strong\u003e: Rated for 36300V, enabling safe interruption of high-voltage distributions in compatible setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement\u003c\/strong\u003e: Quick swap-in when service downtime is available, minimizing panel downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready\u003c\/strong\u003e: A practical choice when modernizing legacy panels that require exact form-factor and ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e \u003cp\u003eUse this breaker in maintenance projects, retrofit upgrades, or replacement jobs where you need the exact Square D LHL36300V specifications. It’s particularly well-suited for facilities with three-phase power distribution, heavy equipment loads, and panels designed to accept LHL-series breakers. Having the correct part number on hand reduces risk of incompatibility and helps you avoid last-minute field corrections.\u003c\/p\u003e \u003ch2\u003eHow to verify fit and ordering confidence\u003c\/h2\u003e \u003cp\u003eBefore ordering, confirm fit and ratings by cross-referencing the following:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePanel type and compatibility with LHL-series breakers\u003c\/li\u003e \u003cli\u003eAmperage: 300A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole (three-phase protection)\u003c\/li\u003e \u003cli\u003eVoltage rating: 36300V\u003c\/li\u003e \u003cli\u003ePreferred reference: part number LHL36300V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose Square D for this application?\u003c\/h2\u003e \u003cp\u003eChoosing an OEM like Square D for your protection scheme helps ensure coordinated protection across your distribution network. With the LHL36300V you’re not just buying a breaker you’re investing in a proven compatibility framework that aligns with Square D panels and downstream devices, minimizing surprises during installation and service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426395377826,"sku":"LHL36300V","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-lhl36300v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}