{"product_id":"square-d-hja260504-50a-600v-2-pole-plug-in-circuit-breaker","title":"Square D HJA260504 - 50 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA260504—a dependable, plug-in molded case circuit breaker built to safeguard your panels with precise, repeatable protection. Designed for fast service and reliable performance, this 2-pole unit handles demanding branch circuits from residential spaces to light commercial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 A, 600 V, 2-pole\u003c\/strong\u003e plug-in molded case circuit breaker engineered for robust overcurrent and short-circuit protection in panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and effortless replacement, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection: the thermal element responds to sustained overloads, while the magnetic mechanism trips instantly on severe short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to work with matching Square D load centers and panelboards, ensuring a seamless fit and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial settings where dependable branch circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\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 HJA260504\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 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\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\u003eWhy choose this Square D breaker? It’s built for consistent protection in real-world panel environments where reliability and serviceability matter. The plug-in design reduces installation complexity and wear, while the thermal-magnetic trip mechanism provides dependable discrimination between overloads and short circuits—helping prevent nuisance trips and protecting downstream wiring and devices.\u003c\/p\u003e \u003cp\u003eIdeal for electricians and facility managers tackling panel upgrades, retrofits, or new installations, the HJA260504 offers a precise combination of performance and convenience. When compatibility with existing Square D panelboards and load centers is essential, this 2-pole 50 A unit delivers the right balance of protection, speed, and ease of maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355285868706,"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-hja260504-50-a-600-v-2-pole-plug-in-circuit-breaker-753.webp?v=1788747239","url":"https:\/\/www.ampstate.com\/products\/square-d-hja260504-50a-600v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}