{"product_id":"siemens-cmd63b800h-circuit-breaker","title":"Siemens | CMD63B800H | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens CMD63B800H Circuit Breaker is engineered for serious electrical protection in demanding environments. With an 800A rating across 3 poles and a 600V operating limit, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter and downtime needs to be minimized.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference\u003c\/strong\u003e: CMD63B800H — the best compatibility anchor for identifying the right breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the CMD63B800H for your system\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOEM-specific compatibility ensures the same trip characteristics, mounting footprint, and busbar interface as your existing Siemens protection scheme, reducing the risk of fitment issues during retrofit or replacement.\u003c\/li\u003e \u003cli\u003eHigh-capacity protection for large feeders and three-phase circuits, helping you manage fault currents without compromising reliability.\u003c\/li\u003e \u003cli\u003eDesigned for industrial landscapes—whether in manufacturing plants, data centers, or utility-grade distribution panels—where steady performance matters as much as quick serviceability.\u003c\/li\u003e \u003cli\u003eSimple, straightforward maintenance and replacement workflow: reference CMD63B800H when sourcing spares to keep panel configurations consistent.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofit projects in Siemens-panel ecosystems where a precise 800A, 3-pole, 600V breaker is required to restore or upgrade protection.\u003c\/li\u003e \u003cli\u003eNew installations in industrial facilities that demand dependable main protection for three-phase feeders.\u003c\/li\u003e \u003cli\u003eMaintenance cycles for aging panels that necessitate exact part compatibility to avoid re-engineering or panel modification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations for ordering and installation\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, \u003cem\u003econfirm fit and ratings\u003c\/em\u003e against your panel label and system design. The CMD63B800H part number serves as the most reliable compatibility reference.\u003c\/li\u003e \u003cli\u003eEnsure your panel and bus arrangement can accommodate a 3-pole device of this specification, and follow Siemens installation guidelines for mounting and electrical connections.\u003c\/li\u003e \u003cli\u003eEngage a qualified electrician or technician to manage the installation, wiring, and verification of protective coordination with downstream devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor teams seeking dependable, exactly-matched protection that aligns with existing Siemens equipment, the CMD63B800H offers proven performance, streamlined compatibility, and peace of mind across retrofit, maintenance, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426803470498,"sku":"CMD63B800H","price":49919.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-cmd63b800h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}