{"product_id":"siemens-lxd63b450l-450a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens LXD63B450L - 450 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens LXD63B450L is a robust 3-pole bolt-on molded case circuit breaker engineered for reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a 450A rating and a 600V maximum, it’s built to handle demanding electrical distributions in residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, reducing the risk of loosening and ensuring consistent performance in panels subject to vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by quickly responding to both sustained overcurrents and sudden short-circuits, helping to safeguard downstream equipment and wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to pair with matching Siemens OEM load centers and panelboards, making replacements and retrofits straightforward without sacrificing reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential service panels, commercial distribution boards, and light industrial equipment enclosures—where dependable, high-current protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LXD63B450L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 450A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens LXD63B450L means investing in a dependable protection solution that stays put in demanding installations while delivering precise, predictable trips when protection is required. It’s an ideal fit for installers and facility managers looking to upgrade panelboards and load centers with a high-current, reliable bolt-on breaker that aligns with Siemens’ engineering standards and performance expectations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355132350626,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_7d2babb2-daf2-4ae7-86dd-bc789d60f5c1.png?v=1764689470","url":"https:\/\/www.ampstate.com\/products\/siemens-lxd63b450l-450a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}