{"product_id":"siemens-cnd63b800h-800a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CND63B800H - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens CND63B800H — an 800A, 600V, 3-pole bolt-on molded case circuit breaker designed for mission-critical protection in panelboards and load centers. This Siemens part (P\/N CND63B800H) combines rugged construction with precise, thermal-magnetic protection to guard branch circuits against overloads and short circuits in residential, commercial, and light-industrial settings.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection, maintaining consistent electrical contact even in environments with equipment vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across temperature variations and delivers fast response to short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e is ideal for 3-phase distribution, simplifying integration into modern electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e supports a wide range of commercial and light-industrial applications, enabling reliable protection for higher-energy circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Siemens OEM load centers and panelboards for straightforward installation and dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCommercial electrical rooms powering HVAC, lighting, pumps, and contactors where robust branch-circuit protection is essential.\u003c\/li\u003e \u003cli\u003eLight-industrial panels and service equipment that require a high-capacity main feeder with precise protection characteristics.\u003c\/li\u003e \u003cli\u003eReplacements in Siemens OEM panelboards, ensuring exact form, fit, and electrical behavior for reliable maintenance and upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to expect in operation\u003c\/h3\u003e\n\u003cp\u003eThe CND63B800H delivers dependable overcurrent and short-circuit protection by combining thermal and magnetic sensing. This means protection stays consistent across varying temperatures and loading conditions, while offering swift interruption when a fault occurs. With bolted mounting, you get a sturdier connection that resists loosening over time, preserving safety and performance in bustling electrical environments.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\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 800A\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\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CND63B800H\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an existing Siemens system or stocking a reliable part for service calls, the Siemens CND63B800H from AmpState offers a durable, code-resilient solution for high-capacity protection. It’s built to protect valuable equipment and keep the power flowing safely in a wide range of settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349781565602,"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_0555a8f6-0073-4f95-b70b-c426e57e71e7.png?v=1764156499","url":"https:\/\/www.ampstate.com\/products\/siemens-cnd63b800h-800a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}