{"product_id":"siemens-lxd63b300l-circuit-breaker","title":"Siemens | LXD63B300L | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens LXD63B300L Circuit Breaker delivers precise, reliable overcurrent protection for three-phase power systems. With a 300A rating, 3 poles, and a 600V maximum, this unit is built to handle demanding industrial environments and retrofit projects where exact specifications matter. Use it to protect critical equipment, panels, and distribution networks while maintaining safe, controlled shutdowns during faults.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e LXD63B300L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e maintenance and service upgrades in existing panels, retrofit projects where exact specifications are required, and replacements for aging or failed breakers in three-phase systems. This model is well-suited for industrial facilities, manufacturing lines, and commercial electrical rooms that operate at higher voltages and currents.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and ordering notes:\u003c\/strong\u003e Before ordering, confirm fit and ratings for your specific installation. The part number LXD63B300L is the best reference when verifying compatibility with your panel or distribution setup.\u003c\/p\u003e \u003cp\u003eChoose the Siemens LXD63B300L for a dependable, specification-matched solution that supports continuous operation of your 600V three-phase circuits while simplifying maintenance and retrofits with an exacting hardware fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427064860834,"sku":"LXD63B300L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-lxd63b300l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}