{"product_id":"siemens-cmd63h800-800a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CMD63H800 - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens CMD63H800 is a high-capacity, three-pole bolt-on molded case circuit breaker designed to guard your electrical distribution with precision. Built for dependable branch circuit overcurrent and short-circuit protection, it thrives in panelboards and loadcenters where reliability matters most—from home service upgrades to commercial equipment rooms and light industrial setups.\u003c\/p\u003e \u003ch3\u003eWhy this CMD63H800 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant bus connection, helping prevent loosening and maintain consistent electrical performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by sensing both heat and instantaneous magnetic faults, reducing nuisance trips and ensuring fast response during a short‑circuit event.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching Siemens load centers and panelboards, enabling straightforward integration and reliable system-wide protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations that require robust protection for high-current circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eTechnical at a glance\u003c\/h4\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 CMD63H800\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker (MCCB)\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\u003eNumber of Poles:\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 \u003ch4\u003eIdeal use cases\u003c\/h4\u003e\n\u003cp\u003eUse the CMD63H800 when you need robust protection for high-current feeders in panelboards and loadcenters. It’s well-suited for upgrading older installations, replacing worn components in commercial panels, or configuring new three-phase distributions in light industrial settings. Its bolt-on design simplifies secure mounting in compatible Siemens environments, while the thermal-magnetic trip ensures dependable protection against both gradual overloads and sudden faults.\u003c\/p\u003e \u003ch4\u003ePractical guidance for deployment\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003ePair this 3-pole bolton MCCB with Siemens OEM panelboards and loadcenters designed for the CMD63H800 family to ensure optimal electrical contact and protection harmony.\u003c\/li\u003e \u003cli\u003ePlan for high-current applications where stable protection is critical—this 800A device is built to handle demanding branch circuits with confidence.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety practices during installation, including proper secure mounting and adherence to your panelboard’s rated specifications.\u003c\/li\u003e \u003cli\u003eUse as part of a comprehensive protection strategy that combines reliable fault detection with clear maintenance plans to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens CMD63H800, you’re choosing a rugged, purpose-built solution for reliable three-phase circuit protection in modern electrical systems. It’s engineered to deliver consistent trip performance, rapid fault response, and seamless compatibility where serious power management matters.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349781041314,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cmd63h800-800-a-600-v-3-pole-bolt-on-circuit-breaker-689.webp?v=1788723940","url":"https:\/\/www.ampstate.com\/products\/siemens-cmd63h800-800a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}