{"product_id":"square-d-pxf36800lsiz-circuit-breaker","title":"Square D | PXF36800LSIZ | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D PXF36800LSIZ circuit breaker is engineered for demanding industrial and commercial electrical systems, delivering dependable protection for 3-phase, 600V networks at up to 800A. This 3-pole device is designed for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBuilt to align with Square D panels that require the PXF36800LSIZ reference, this breaker helps maintain coordination across protective devices and reduces the risk of mismatch that can compromise safety or performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference:\u003c\/strong\u003e The PXF36800LSIZ designation is your best reference for compatibility with compatible Square D panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for maintenance and retrofit:\u003c\/strong\u003e Replace aging or failed breakers in existing 3-phase, 600V systems without needing panel changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current reliability:\u003c\/strong\u003e Designed to handle 800A in a 3-pole configuration, protecting essential equipment and minimizing unplanned downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for commercial\/industrial environments:\u003c\/strong\u003e Suitable for data centers, manufacturing floors, and large electrical distributions that use 600V three-phase power.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-pole breaker in an existing 600V distribution panel that requires 800A rating.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a direct part-for-part replacement is needed to maintain panel ratings and trip characteristics.\u003c\/li\u003e \u003cli\u003eMaintenance cycles in facilities with heavy machinery and multiple motors that rely on reliable three-phase protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify compatibility and order confidently:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCheck that your panel requires a 3-pole, 600V, 800A device and that the part number matches PXF36800LSIZ.\u003c\/li\u003e \u003cli\u003eWhen in doubt, consult the panel label and wiring diagram, and reference the manufacturer's compatibility notes for Square D breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant ordering note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number PXF36800LSIZ is the best reference for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427414298786,"sku":"PXF36800LSIZ","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-pxf36800lsiz-circuit-breaker-800a-3-pole-600v-977.webp?v=1789719571","url":"https:\/\/www.ampstate.com\/products\/square-d-pxf36800lsiz-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}