{"product_id":"square-d-hjf36090-circuit-breaker","title":"Square D | HJF36090 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HJF36090\u003c\/strong\u003e is a purpose-built 3-pole circuit breaker engineered for reliability in maintenance, retrofit, and replacement projects. Designed to protect three-phase circuits, this unit fits into compatible Square D panels, delivering dependable overcurrent protection where it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e for three-phase systems, ideal for commercial and industrial electrical distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number specificity\u003c\/strong\u003e—HJF36090 is your best reference for exact compatibility, ensuring you don’t mismatch frame, trip characteristics, or mounting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for maintenance, retrofit, and replacement tasks to minimize downtime and keep systems running smoothly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit-and-ratings reminder\u003c\/strong\u003e—before ordering, confirm the precise fit and required ratings to match your panel’s specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and proper selection matter more than ever in complex electrical setups. Use the part number \u003cstrong\u003eHJF36090\u003c\/strong\u003e as the primary reference to verify that this 3-pole breaker matches your panel’s frame family and trip characteristics. If your project calls for exact-spec protection in a three-phase environment, this Square D solution is designed to slot into existing infrastructure without guesswork.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance outages where a quick, exact-match replacement is essential.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading circuit protection while preserving panel layout.\u003c\/li\u003e \u003cli\u003eReplacement installs in commercial or light-industrial panels that require a 3-pole Square D breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for procurement and installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings on the panel label before ordering.\u003c\/li\u003e \u003cli\u003eKeep the part number \u003cstrong\u003eHJF36090\u003c\/strong\u003e on hand as the definitive reference for compatibility.\u003c\/li\u003e \u003cli\u003eUse this unit in panels designed for 3-pole protection to ensure proper function and electrical safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427511029922,"sku":"HJF36090","price":510.0,"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-hjf36090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}