{"product_id":"siemens-cmd63b800-800a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CMD63B800 - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens CMD63B800—a robust 3-pole bolt-on molded case circuit breaker designed to protect panelboards and load centers from overcurrent and short circuits. Rated at 800A and 600V, this unit is built to handle demanding residential, commercial, and light-industrial environments with consistent protection and dependable performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e delivers a secure, vibration-resistant bus connection that stays solid through equipment vibration and temperature cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection for both overloads and short circuits, reducing nuisance trips and safeguarding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e ideal for three-phase systems, designed to work with matching Siemens OEM load centers and panelboards for a seamless install.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e ensures straightforward replacement and expansion within Siemens-compatible panel ecosystems, minimizing compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e suitable for residential service panels, commercial distribution panels, and light-industrial downstream gear that require high-current protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable molded-case construction\u003c\/strong\u003e built to withstand daily use in demanding electrical rooms and panel installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: CMD63B800\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 800A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 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\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eWhen you need reliable protection for a high-load, three-phase installation, the CMD63B800 shines. Use it to upgrade service panels to accommodate larger loads, protect motors and feeders in commercial or light-industrial panels, or add a solid, bolt-on solution in new builds where a rigid mounting connection reduces contact issues over time. Its compatibility with Siemens panel ecosystems makes it a practical choice for projects that require cohesive, long-term protection without aftermarket compatibility headaches.\u003c\/p\u003e \u003ch3\u003eWhy choose the CMD63B800\u003c\/h3\u003e\n\u003cp\u003eThis breaker combines a secure bolt-on design with a precise thermal-magnetic trip mechanism, delivering dependable protection while minimizing operational surprises. By matching Siemens OEM panel hardware, it simplifies installation, improves electrical integrity, and supports scalable protection as your system grows. For professionals prioritizing reliability, ease of installation, and cohesive system compatibility, the CMD63B800 is a purpose-built solution for safeguarding high-current, 3-phase circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349780975778,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cmd63b800-800-a-600-v-3-pole-bolt-on-circuit-breaker-609.webp?v=1788723929","url":"https:\/\/www.ampstate.com\/products\/siemens-cmd63b800-800a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}