{"product_id":"square-d-lhl36300-300a-3-pole-circuit-breaker","title":"Square D LHL36300 - 300 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LHL36300, a 300 A, 3-pole molded case circuit breaker designed to safeguard panelboards and loadcenters with dependable, long-lasting protection. Courtesy of AmpState, this device is built to perform reliably in a range of settings—from home electrical panels to light commercial and industrial applications.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCompact molded case design that maximizes panel space without compromising protection.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit delivers stable, repeatable protection across varying loads and temperatures, ensuring predictable operation during normal use and fault conditions.\u003c\/li\u003e \u003cli\u003e3-pole configuration provides robust protection for 3-phase circuits and larger branch circuits.\u003c\/li\u003e \u003cli\u003eDesigned for compatibility with matching OEM loadcenters and panelboards, enabling straightforward replacements and seamless upgrades.\u003c\/li\u003e \u003cli\u003eIdeal for residential, commercial, and light industrial applications requiring reliable branch circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart number: LHL36300\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 300 A\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eUse the Square D LHL36300 to protect large 3-phase branch circuits in panelboards and loadcenters. Its compact form helps when space is at a premium, while its robust protection keeps wiring and equipment safer in everyday operation and during fault events.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or configuring service panels that require a 300 A, 3-pole protection device.\u003c\/li\u003e \u003cli\u003eInstalling in new or existing commercial electrical rooms where dependable overcurrent protection is essential.\u003c\/li\u003e \u003cli\u003eProviding reliable short-circuit protection for light industrial electrical distribution systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355324305570,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_cd0a01d6-74d5-46e7-be75-5e870276f37b.png?v=1764691326","url":"https:\/\/www.ampstate.com\/products\/square-d-lhl36300-300a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}