{"product_id":"square-d-lhf36300v-circuit-breaker","title":"Square D | LHF36300V | Circuit Breaker | 300A | 3-Pole | 36300V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LHF36300V circuit breaker—a rugged, industrial-grade protective device designed for high-demand electrical systems. With a 300A rating, 3-Pole configuration, and a voltage specification of 36300V, this breaker is built to safeguard three-phase circuits in demanding environments while delivering dependable overload protection.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 36300V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the LHF36300V for maintenance, retrofit, or replacement\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or replacing components in a live system, compatibility is non-negotiable. The LHF36300V is specifically identified by its part number, making it the most reliable reference during selection. This breaker is ideal for retrofit projects where you need to preserve existing wiring, panel layouts, and protection schemes without downtime or guesswork.\u003c\/p\u003e \u003cp\u003eKey benefits include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong precise compatibility:\u003e The part number LHF36300V is your best reference to ensure it fits your Square D panel and matches your trip characteristics.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong robust three-phase protection:\u003e A 3-Pole design provides comprehensive coverage for three-phase circuits, helping prevent damage from overloads and short circuits.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong high-current capability:\u003e With a 300A rating, it supports substantial load demands common in industrial settings, commercial facilities, and upgraded electrical services.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear documentation for ordering:\u003e The specified ratings and configuration simplify procurement and reduce the risk of mis-orders during maintenance cycles.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003eThis circuit breaker shines in environments where three-phase protection is critical and system upgrades are underway. Use it for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in existing Square D installations\u003c\/li\u003e \u003cli\u003eRetrofit projects to match updated panel ratings without comprehensive rewiring\u003c\/li\u003e \u003cli\u003eNew installations where a proven, compatible LHF-series breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation considerations and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify fit and ratings against your panel, enclosure, and bus configuration. The part number is the most reliable compatibility reference.\u003c\/li\u003e \u003cli\u003ePlan for proper torque specifications and secure mounting to ensure reliable trip performance in demanding environments.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety procedures and de-energize equipment during replacement or installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm fit and ratings before ordering. Part number is the best reference for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426387644578,"sku":"LHF36300V","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-lhf36300v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}