{"product_id":"pxf36900lsi-square-d-pxf-frame-900a-3-pole-molded-case-circuit-breaker","title":"PXF36900LSI - Square D PXF Frame 900A 3-Pole Molded Case Circuit Breaker","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003ePXF36900LSI\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003ePXF36900LSI\u003c\/b\u003e is a Square D PXF frame molded case circuit breaker designed for high-amperage commercial and industrial power distribution applications. This breaker features a 900 ampere rating, three poles, and is built for reliable protection in demanding electrical environments. The PXF36900LSI utilizes a PXF frame style with an electronic non-interchangeable trip unit and LSI trip unit functions. It is rated for 900 amperes at 40 degrees Celsius and is suitable for use in systems requiring robust circuit protection and precise trip characteristics. \u003cul\u003e \u003cli\u003ePart Number: PXF36900LSI\u003c\/li\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003eSeries\/Frame: PXF\u003c\/li\u003e \u003cli\u003eAmperage: 900A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eMounting Type: Bolt-On\u003c\/li\u003e \u003cli\u003eTrip Unit: Electronic Non-Interchangeable, LSI\u003c\/li\u003e \u003cli\u003eFrame Size: 1200A Sensor\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eInterrupt Rating: 100kA\u003c\/li\u003e \u003cli\u003eTemperature Rating: 40°C\u003c\/li\u003e \u003cli\u003eApplication: Molded Case Circuit Breaker\u003c\/li\u003e \u003c\/ul\u003e At \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: PXF36900LSI\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Square D\u003c\/li\u003e\n\u003cli\u003eCategory : Circuit Breaker\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Molded Case\u003c\/li\u003e\n\u003cli\u003eFamily : Micrologic\u003c\/li\u003e\n\u003cli\u003eType : PXF\u003c\/li\u003e\n\u003cli\u003eVoltage : 600\u003c\/li\u003e\n\u003cli\u003eAmperage : 900\u003c\/li\u003e\n\u003cli\u003ePhase : 3\u003c\/li\u003e\n\u003cli\u003ePoles : 3\u003c\/li\u003e\n\u003cli\u003eAIC rating : 100kA@480V\u003c\/li\u003e\n\u003cli\u003eConnection : Bolt-On\u003c\/li\u003e\n\u003cli\u003eFunctions : LSI - Long-Time, Short-Time and Instantaneous\u003c\/li\u003e\n\u003cli\u003eFrame Size : PX Frame\u003c\/li\u003e\n\u003cli\u003eProtection : Solid State\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eWeight : 90 \u003c\/li\u003e\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":42970603815071,"sku":"PXF36900LSI-ReCert","price":9775.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/Screenshot2025-09-22at10.50.57AM_e2bfe77c-4c73-4924-b61f-e3872adabd8e.png?v=1758560041","url":"https:\/\/essentialparts.com\/products\/pxf36900lsi-square-d-pxf-frame-900a-3-pole-molded-case-circuit-breaker","provider":"Essential Electric Supply","version":"1.0","type":"link"}