{"product_id":"siemens-lxd63b300-circuit-breaker","title":"Siemens | LXD63B300 | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens LXD63B300 circuit breaker—a sturdy, three-pole protection device engineered for demanding three‑phase electrical systems. Rated at 300A and designed for up to 600V, it’s a precise, reliable solution for maintenance, retrofit, or replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for three‑phase panels:\u003c\/strong\u003e 3‑pole configuration delivers balanced protection across all phases, keeping your industrial or commercial systems safe and stable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity current handling:\u003c\/strong\u003e 300A rating ensures robust protection for heavy-duty circuits without nuisance tripping in normal operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad voltage compatibility:\u003c\/strong\u003e Suitable for systems operating up to 600V, making it a versatile option for a wide range of panel designs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect reference part:\u003c\/strong\u003e The part number LXD63B300 is the clearest reference for compatibility, streamlining sourcing and reducing downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement friendly:\u003c\/strong\u003e Ideal when upgrading, refurbishing, or stocking a ready-to-install spare for critical infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe LXD63B300 shines in environments where reliability is non‑negotiable—think industrial electrical rooms, data centers, manufacturing floors, and large commercial buildings. It acts as a first line of defense against overcurrent conditions, helping protect wiring, components, and operators from damage while supporting safe, predictable shutdowns when faults occur.\u003c\/p\u003e \u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use the LXD63B300 as a direct substitute only in panels and assemblies specified by your electrical documentation and labeling.\u003c\/p\u003e \u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\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 \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LXD63B300\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427245838498,"sku":"LXD63B300","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lxd63b300-circuit-breaker-300a-3-pole-600v-660.webp?v=1789692813","url":"https:\/\/www.ampstate.com\/products\/siemens-lxd63b300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}