{"product_id":"square-d-lhp36300-circuit-breaker","title":"Square D | LHP36300 | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LHP36300 circuit breaker delivers reliable 300A overcurrent protection in a compact 3-pole design, rated for 600V. Built for demanding industrial environments, this unit is an excellent choice for maintenance, retrofit, and replacement projects where exact specifications must be matched to keep your electrical system running safely and efficiently.\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 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LHP36300\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong precise compatibility:\u003e The part number LHP36300 is the most reliable reference for matching your panel’s protection scheme, ensuring correct trip characteristics and safe operation.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong industrial-grade reliability:\u003e Designed to handle continuous, heavy-load applications common in commercial and manufacturing settings, reducing the risk of nuisance trips and unplanned downtime.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong simplified maintenance and retrofits:\u003e When upgrading or replacing aging protection, this 3-pole, 600V unit fits the exact specs needed for seamless integration with existing wiring configurations and feeder layouts.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 300A, 3-pole, 600V breaker in factory service panels or motor control centers.\u003c\/li\u003e \u003cli\u003eRetrofits to bring legacy electrical systems up to current protection standards without changing upstream components.\u003c\/li\u003e \u003cli\u003eNew installations in environments where a robust, three-phase protection device is required to safeguard large feeders and motors.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify fit and install\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure the application requires \u003cstrong\u003e300A\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e, and \u003cstrong\u003e600V\u003c\/strong\u003e protection.\u003c\/li\u003e \u003cli\u003eCross-check the panel schedule or electrical drawings to confirm the \u003cstrong\u003eLHP36300\u003c\/strong\u003e part number matches the intended replacement.\u003c\/li\u003e \u003cli\u003eBefore installation, power down the equipment, follow all local electrical codes, and install in accordance with the panel manufacturer’s guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor projects demanding precise spec alignment and dependable overcurrent protection, the Square D LHP36300 circuit breaker is a purpose-built solution. Use the part number as the definitive reference to ensure compatibility and uninterrupted performance in your electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427222081698,"sku":"LHP36300","price":4423.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-lhp36300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}