{"product_id":"siemens-lxd63b500l-500a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens LXD63B500L - 500 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens LXD63B500L, a rugged 500 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built by Siemens and available through AmpState, this unit is purpose-built for installations that demand durability, precise protection, and straightforward serviceability in real-world electrical environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e ensures a rigid, vibration‑resistant bus connection, reducing the risk of loose connections that can compromise protection or complicate maintenance in equipment subject to vibration or heavy use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance across a range of temperatures and load conditions, balancing nuisance trips with fast clearance of faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole design\u003c\/strong\u003e provides coordinated protection for 3‑phase systems, helping to prevent unbalanced loads and equipment damage in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is ensured with matching Siemens panelboards and loadcenters, promoting reliable fit, electrical characteristics, and streamlined replacement in existing systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: LXD63B500L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 500 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCommercial electrical panels and light industrial distribution where large feeder circuits require robust protection and reliable trip performance.\u003c\/li\u003e \u003cli\u003eResidential and small-business installations that use Siemens load centers and panelboards, offering a proven fit with familiar maintenance and replacement workflows.\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in existing systems where enhanced durability and consistent protection are priorities, especially in environments with vibration or frequent start\/stop cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it different from typical breakers\u003c\/h3\u003e\n\u003cp\u003eUnlike generic plug-in breakers, the LXD63B500L emphasizes bolt-on stability and a thermal-magnetic strategy that maintains precise trip behavior under real-world operating conditions. Its 3‑pole, 500 A configuration is well-suited for larger, three‑phase circuits, and its OEM-ready compatibility minimizes the guesswork during upgrades or panel modernization projects.\u003c\/p\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance, pair this bolt-on MCCB with a Siemens-compatible panelboard designed for bolt-on devices. Ensure proper torque on mounting hardware and verify clearances around the breaker for cooling. Because this unit is intended for branch circuits, plan the layout to keep feeders organized and minimize exposure to mechanical strain or moisture exposure in non‑enclosed spaces.\u003c\/p\u003e \u003cp\u003eWhether you’re stocking for commercial electrical service, upgrading a light industrial distribution, or refreshing a panel in a larger building, the Siemens LXD63B500L delivers dependable protection with a design that emphasizes durability, precise tripping, and straightforward integration within Siemens ecosystems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355132448930,"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_d5ce1b1c-8e11-412d-abc0-b387ef4693d5.png?v=1764689472","url":"https:\/\/www.ampstate.com\/products\/siemens-lxd63b500l-500a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}