{"product_id":"siemens-cfd63b125l-circuit-breaker","title":"Siemens | CFD63B125L | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSiemens CFD63B125L\u003c\/strong\u003e, a purpose-built \u003cstrong\u003e3-Pole circuit breaker\u003c\/strong\u003e engineered for reliable protection in three-phase electrical systems. Designed for maintenance, retrofit, and replacement projects, this OEM-grade device ensures exact compatibility with Siemens panels and distribution equipment when you need to restore safe, coordinated protection fast.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CFD63B125L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the \u003cstrong\u003epart number\u003c\/strong\u003e is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole Siemens breaker matters\u003c\/h3\u003e\n\u003cp\u003eIn commercial and industrial environments, accurate three-phase protection is non-negotiable. The \u003cstrong\u003eCFD63B125L\u003c\/strong\u003e preserves the original trip characteristics and mounting footprint you rely on, enabling a seamless swap without rewiring or reconfiguring your panel. With Siemens’ engineering behind it, you gain predictable fault clearing behavior and long-term reliability aligned with your existing protection scheme.\u003c\/p\u003e \u003ch3\u003eIdeal applications and who should consider it\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers performing routine replacements in Siemens panelboards\u003c\/li\u003e \u003cli\u003eElectrical contractors carrying out retrofit work or capacity upgrades in three-phase systems\u003c\/li\u003e \u003cli\u003eMaintenance teams seeking an OEM replacement part that matches exact specifications for ongoing protection coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases in practice\u003c\/h3\u003e\n\u003cp\u003eUse the CFD63B125L during scheduled maintenance to replace a worn or failed breaker, during panel retrofits that require preserving original protection characteristics, or in upgrades where a precise Siemens-compatible 3-pole solution is necessary to maintain system coordination and safety.\u003c\/p\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eVerify the \u003cstrong\u003epart number CFD63B125L\u003c\/strong\u003e against your panel’s documentation or OEM specification sheets.\u003c\/li\u003e \u003cli\u003eEnsure the system’s rated voltage and current align with the replacement’s requirements to avoid mismatched protection.\u003c\/li\u003e \u003cli\u003eCross-check mounting type and trip characteristics to maintain proper coordination with adjacent breakers.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety procedures: de-energize, de-load, and use appropriate PPE during installation or replacement.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch3\u003eWhy choose Siemens over generic replacements\u003c\/h3\u003e\n\u003cp\u003eChoosing the \u003cstrong\u003eCFD63B125L\u003c\/strong\u003e means aligning with Siemens’ tested compatibility and consistent performance across your protection ecosystem. This is more than a drop-in part—it’s a verified component designed to preserve the reliability, timing, and compatibility you expect from your Siemens equipment. Rely on the part number as your best reference to ensure a precise match and a trouble-free installation.\u003c\/p\u003e \u003cp\u003eReady to restore trusted, three-phase protection? The \u003cstrong\u003eSiemens CFD63B125L\u003c\/strong\u003e 3-Pole circuit breaker delivers OEM-grade reliability for maintenance, retrofit, and replacement projects—just confirm fit and ratings against your system’s specifications before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425636602018,"sku":"CFD63B125L","price":3811.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cfd63b125l-circuit-breaker-3-pole-750.webp?v=1789435043","url":"https:\/\/www.ampstate.com\/products\/siemens-cfd63b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}