{"product_id":"square-d-fhl36045-45a-600v-3-pole-circuit-breaker","title":"Square D FHL36045 - 45 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FHL36045—a compact, reliable 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. With a 45 A rating and a 600 V maximum, this breaker is built to handle demanding commercial and light industrial environments, while remaining suitable for select residential applications that require three‑pole protection.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out in its class\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient design\u003c\/strong\u003e: The molded case construction minimizes panel footprint, freeing up valuable space in crowded panels without sacrificing protection performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection across varying loads and fault conditions, helping prevent nuisance trips and ensuring predictable operation when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: Designed to pair with matching Square D load centers and panelboards, supporting seamless replacement, faster commissioning, and consistent electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application profile\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial circuits, making it a dependable choice for multi-use electrical installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: FHL36045\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 45 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\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 \u003cp\u003ePractical use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtecting three-phase feeders in commercial panelboards where compact space and reliable trip action are critical.\u003c\/li\u003e \u003cli\u003eUpgrading or replacing aging breakers in light industrial distribution systems to maintain OEM protection characteristics.\u003c\/li\u003e \u003cli\u003eConfiguring small-to-mid size residential multi‑unit installations that require three-pole protection for balanced phase loading.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow this choice translates to real-world outcomes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReduced panel clutter and easier wiring management thanks to its compact footprint.\u003c\/li\u003e \u003cli\u003eLower risk of unexpected outages due to a dependable thermal-magnetic trip that reacts quickly to overloads and short circuits.\u003c\/li\u003e \u003cli\u003ePeace of mind from compatibility with existing Square D panels, ensuring consistent fit, alignment, and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re stocking a parts cabinet for service calls or outfitting a new build with dependable protection, the Square D FHL36045 delivers precise, reliable circuit protection that professionals trust. Rely on tested performance, OEM compatibility, and a design that respects your panel space—all in a single, easy-to-specify 45 A, 600 V, 3-pole solution from AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355235930274,"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_6e18a774-bd2c-40d0-856c-7e457839e7bc.png?v=1764690660","url":"https:\/\/www.ampstate.com\/products\/square-d-fhl36045-45a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}