{"product_id":"square-d-hja36100yp-circuit-breaker","title":"Square D | HJA36100YP | Circuit Breaker | 100A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D \u003cstrong\u003eHJA36100YP\u003c\/strong\u003e circuit breaker delivers reliable, three-phase protection for demanding electrical systems. With a \u003cstrong\u003e100A\u003c\/strong\u003e rating, a \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration, and a \u003cstrong\u003e600V\u003c\/strong\u003e maximum voltage, this unit is engineered for maintenance, retrofit, and replacement projects where exact compatibility matters. \u003c\/p\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eDesigned to travel alongside your existing Square D panels, the \u003cstrong\u003eHJA36100YP\u003c\/strong\u003e provides a precise fit and dependable protection for industrial or commercial power distribution. The 3-pole design ensures coordinated disconnection across all phases, enhancing safety during fault conditions and minimizing downstream equipment damage. By matching the exact part number, you simplify ordering, reduce installation guesswork, and maintain consistent trip characteristics across your protection scheme.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: HJA36100YP (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in existing Square D installations to restore protective performance\u003c\/li\u003e \u003cli\u003eRetrofit projects where legacy breakers need to be upgraded to current specifications\u003c\/li\u003e \u003cli\u003eReplacement in three-phase feeders and main distribution panels requiring a 100A, 3-pole, 600V device\u003c\/li\u003e \u003cli\u003eNew-panel installations or upgrades where downstream protection must align with existing protection strategy\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, confirm fit and ratings to ensure seamless integration with your panel. The \u003cstrong\u003epart number\u003c\/strong\u003e \u003cstrong\u003eHJA36100YP\u003c\/strong\u003e is the best reference for compatibility, so cross-check it against your panel’s documentation. When installing, follow your panel manufacturer’s torque and connection guidelines and ensure conductor sizing aligns with the 100A protection level and 600V system requirements.\u003c\/p\u003e \u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eA single \u003cstrong\u003eSquare D HJA36100YP circuit breaker\u003c\/strong\u003e ready to be deployed in suitable 600V, three-phase environments to restore or enhance protection across your electrical distribution setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427268055202,"sku":"HJA36100YP","price":6330.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100yp-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}