{"product_id":"square-d-hja36050-50a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HJA36050 - 50 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36050 is a purpose-built 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. With a 50-amp rating and a 600-volt capacity, it handles demanding electrical loads while enabling fast, tool-free replacement when maintenance or upgrades are needed.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for rapid installation and straightforward replacement, minimizing downtime during panel updates or fault repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection. The thermal element handles overloads, while the magnetic element provides instantaneous response to short circuits, helping protect downstream equipment and wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e optimized for 3-phase circuits, ensuring consistent protection across all phases and simplifying panelboard configuration in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50A, 600V rating\u003c\/strong\u003e supports higher-capacity branch circuits typical in small-to-midsize commercial or industrial installations, while remaining suitable for residential applications that require robust protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work with matching Square D OEM load centers and panelboards, promoting reliable fit, performance, and long-term service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial panels where proven overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the HJA36050 for your electrical protection\u003c\/h3\u003e\n\u003cp\u003eChoosing a plug-in molded case circuit breaker with a thermal-magnetic trip unit translates to fewer unexpected trips and more predictable, safe operation of circuits that power critical equipment, lighting, and outlets. The 3-pole configuration helps you manage three-phase layouts efficiently, while the plug-in design reduces installation time—an advantage during panelboard retrofits, service upgrades, or new builds.\u003c\/p\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 HJA36050\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 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355288785058,"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_95c8deb5-171c-4de8-a530-803eeae72266.png?v=1764690968","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36050-50a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}