{"product_id":"square-d-hjl36045-45a-600v-3-pole-circuit-breaker","title":"Square D HJL36045 - 45 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJL36045 — a 45A, 600V, 3-pole molded-case circuit breaker built for dependable branch-circuit protection in panelboards and load centers. Designed to fit seamlessly into residential, commercial, and light industrial electrical systems, it delivers precise protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded-case design\u003c\/strong\u003e minimizes panel footprint while maximizing transportable, modular protection in crowded panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines a sensitive thermal element for overloads with an instantaneous magnetic trip for short circuits, delivering stable, repeatable protection across temperature variations and fault scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e ensures reliable integration with matching Square D load centers and panelboards for consistent performance and straightforward retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports 3-phase circuits with a common-trip mechanism, ensuring synchronized disconnection across all poles for safer equipment protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for diverse environments\u003c\/strong\u003e designed to protect circuits in residential, commercial, and light industrial installations that demand dependable overcurrent and short-circuit protection at up to 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: HJL36045\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 45A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\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 use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Square D HJL36045 to protect branch circuits feeding lighting, outlets, HVAC equipment, pumps, and other motor-driven loads in panelboards and load centers. It’s an excellent replacement for aging or undersized breakers in three-phase systems, helping maintain safety, reduce nuisance trips, and simplify panel maintenance. Its 3-pole design makes it well-suited for small commercial spaces, retail environments, and light industrial setups where reliable, common-trip protection is essential.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEngineered for reliability in real-world panel environments, with a compact design that preserves valuable enclosure space.\u003c\/li\u003e \u003cli\u003ePrecise trip characteristics that respond quickly to short circuits while avoiding unnecessary shutdowns during minor overloads.\u003c\/li\u003e \u003cli\u003eConsistent performance across a range of applications thanks to a robust thermal-magnetic mechanism and proven compatibility with Square D panel products.\u003c\/li\u003e \u003cli\u003eClear, durable labeling and a straightforward installation path that helps electricians confidently select the right protection for each circuit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePowered by Square D, the HJL36045 is available through AmpState as a genuine, ready-to-install solution for your electrical protection needs. If you’re upgrading panels, stocking service stock, or replacing a failed 3-pole breaker, this 45A, 600V molded-case breaker delivers trusted safety, dependable operation, and seamless integration with compatible panel systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355293765794,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hjl36045-45-a-600-v-3-pole-circuit-breaker-ampstate-538.webp?v=1788747755","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36045-45a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}