{"product_id":"square-d-lhf36300-circuit-breaker","title":"Square D | LHF36300 | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eLooking for a dependable circuit breaker to protect a 3‑phase, 600V system? The Square D LHF36300 is a dedicated 300A, 3‑pole device engineered for maintenance, retrofit, and replacement projects where precise compatibility matters. Built to align with established Square D protection schemes, this breaker helps safeguard your distribution feeders and motors while minimizing downtime during upgrades.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e LHF36300 — the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the LHF36300 for your installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise compatibility: The part number LHF36300 is the primary reference you should rely on when matching this breaker to your panel or switchgear. Using the exact reference reduces the risk of mismatched form factors or trip characteristics in complex electrical runtimes.\u003c\/li\u003e \u003cli\u003eReliable three‑phase protection: With a 3‑pole configuration, it provides synchronized protection across all phases, helping prevent unbalanced loads and limiting fault propagation in demanding 600V industrial environments.\u003c\/li\u003e \u003cli\u003eSupport for retrofit and replacement: Designed for maintenance and retrofit scenarios, this breaker enables you to upgrade or replace aging protection devices without wholesale panel changes, preserving existing wiring layouts and service continuity.\u003c\/li\u003e \u003cli\u003eDurable, utility-grade performance: Built for consistent operation in industrial settings, this unit supports robust safeguarding of feeders and critical equipment in 300A circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering notes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eBefore ordering, confirm fit and ratings for your specific panel and distribution setup. The LHF36300 part number is the primary reference to ensure correct compatibility and safe operation in your system.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations or upgrades in facilities that operate 3‑phase, 600V distribution networks requiring 300A protection.\u003c\/li\u003e \u003cli\u003eRetrofits of aging switchgear where a precise LHF‑series form factor and characteristics are required for seamless integration.\u003c\/li\u003e \u003cli\u003eMaintenance replacements in manufacturing lines, control panels, and other industrial equipment housing 600V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits and outcomes\u003c\/h3\u003e\n\u003cp\u003eChoosing the Square D LHF36300 means investing in a trusted protection device from a respected electrical brand. It translates to clear coordination with your existing protection scheme, easier spare-part management thanks to the exact part reference, and reduced downtime during maintenance or upgrades. When exact compatibility is your priority, this 300A, 3‑pole, 600V breaker delivers a precise fit and dependable performance for demanding industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426751041698,"sku":"LHF36300","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-lhf36300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}