{"product_id":"square-d-hll36045-45a-600v-3-pole-circuit-breaker","title":"Square D HLL36045 - 45 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSquare D HLL36045\u003c\/strong\u003e — a rugged \u003cstrong\u003e45 A, 600 V, 3-pole molded case circuit breaker\u003c\/strong\u003e engineered to protect branch circuits in panelboards and loadcenters with dependable performance you can rely on.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space without sacrificing protection, making it ideal for tight electrical enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection for both overloads and short circuits, reducing nuisance trips and improving uptime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e provides synchronized protection across all three phases, essential for balanced, safe three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V voltage rating\u003c\/strong\u003e supports higher voltage installations common in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e45 A amperage rating\u003c\/strong\u003e offers precise current handling for branch circuits, protecting wiring and connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to pair with matching Square D panelboards and loadcenters for seamless, reliable integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where dependable circuit protection matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThe thermal-magnetic protection curve responds quickly to short circuits while maintaining stable operation during normal conditions, helping to safeguard wiring, devices, and personnel.\u003c\/li\u003e \u003cli\u003eThe compact form factor and OEM compatibility simplify installation, retrofits, and panel upgrades, reducing downtime and labor costs.\u003c\/li\u003e \u003cli\u003eWith a clear 3-pole design, you get comprehensive protection for three-phase systems without compromising space or performance.\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: HLL36045\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355299532962,"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_2262a996-bec3-401f-b253-9fce81266eee.png?v=1764691057","url":"https:\/\/www.ampstate.com\/products\/square-d-hll36045-45a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}