{"product_id":"square-d-hja36150u43x-150a-3-pole-plug-in-circuit-breaker","title":"Square D HJA36150U43X - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D HJA36150U43X is a 150 A, 3-pole plug-in molded case circuit breaker engineered to protect your panelboards and load centers from overcurrent and short-circuit events. The fast plug-in connection streamlines installation and simplifies replacements, helping you cut downtime during upgrades or service work.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick, tool-efficient installation and swift replacements in compatible panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against both overloads and short circuits, minimizing nuisance trips while guarding critical circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching Square D load centers and panelboards, ensuring reliable performance and straightforward maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial distribution, making it a practical choice for a range of projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this design matters\u003c\/h3\u003e\n\u003cp\u003eWith a thermal-magnetic trip mechanism, this 150 A, 3-pole breaker provides precise protection that adapts to real-world load conditions. The plug-in mounting simplifies panel maintenance and replacements, reducing install time and downtime. Its compatibility with Square D OEM panels means a cohesive system where protection devices match the panel’s design and electrical characteristics.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations or panel upgrades in residential, commercial, and light industrial environments requiring robust 3‑phase protection.\u003c\/li\u003e \u003cli\u003eReplacement of existing plug-in breakers in compatible Square D OEM load centers and panelboards to restore reliable overcurrent protection.\u003c\/li\u003e \u003cli\u003eSubpanel or main feeder applications where a 150 A, 3-pole solution aligns with system capacity and protection requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HJA36150U43X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HJA36150U43X for reliable, OEM-compatible protection that installs quickly, performs consistently, and fits seamlessly into residential, commercial, and light industrial electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355292487842,"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-hja36150u43x-150-a-3-pole-plug-in-circuit-breaker-ampstate-491.webp?v=1788747670","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150u43x-150a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}