{"product_id":"siemens-lmxd63b800-circuit-breaker","title":"Siemens | LMXD63B800 | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens LMXD63B800 circuit breaker — a robust, bolt-on solution crafted for demanding three-phase power systems. With an 800 A rating, 3-pole configuration, and a 600 V operating ceiling, this breaker is built to protect high-current networks while simplifying retrofit and replacement projects. Designed for maintenance, retrofit, and replacement scenarios, it’s the dependable choice when your panel requires exact Siemens specifications.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 800 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003ePart number: LMXD63B800\u003c\/li\u003e \u003cli\u003eApplication: Maintenance, retrofit, and replacement in systems requiring matching specs\u003c\/li\u003e \u003cli\u003eNote: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure bolt-on mounting: Provides a solid electrical and mechanical connection ideal for high-current, industrial environments where vibration or movement is a concern.\u003c\/li\u003e \u003cli\u003eExact compatibility: The LMXD63B800 is purpose-built to match Siemens panels and assemblies that require an 800 A, 3-pole, 600 V breaker, making retrofits and replacements straightforward.\u003c\/li\u003e \u003cli\u003eReliability in demanding conditions: Siemens engineering delivers consistent protection for critical distribution circuits, helping minimize unplanned downtime.\u003c\/li\u003e \u003cli\u003eClear reference for compatibility: Rely on the LMXD63B800 part number to avoid guesswork during procurement and ensure a precise match for your system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging or non-matching breakers in 3-phase distribution panels that operate up to 600 V.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a high-current, 800 A rating is required to support large loads or feeders.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios that demand a dependable, field-ready bolt-on solution with a proven track record in Siemens ecosystems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSafety first: Ensure the electrical system is de-energized and locked out before attempting to install or replace the breaker.\u003c\/li\u003e \u003cli\u003eFollow panel guidelines: Use the breaker in panels that specify bolt-on 800 A, 3-pole, 600 V devices and refer to the panel’s compatibility list.\u003c\/li\u003e \u003cli\u003eTorque and connections: Secure mounting and lugs per Siemens installation instructions to maintain reliable protection and minimize future loosening risks.\u003c\/li\u003e \u003cli\u003eVerification: After installation, perform a system check to confirm proper tripping behavior under fault conditions and validate that rating and configuration match your protection plan.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens LMXD63B800 is more than a replacement part — it’s a purpose-built solution for high-current, three-phase protection that aligns with your existing Siemens infrastructure. When your goal is dependable performance, precise compatibility, and a straightforward retrofit path, this 800 A, 3-pole, 600 V bolt-on breaker delivers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424714969250,"sku":"LMXD63B800","price":6451.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-lmxd63b800-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}