{"product_id":"siemens-cfd63b070l-70a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CFD63B070L - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens CFD63B070L is a 70A, 600V, 3-pole bolt-on molded case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. This device is purpose-built for reliable, long-term performance in busy electrical rooms, equipment closets, and service panels.\u003c\/p\u003e \u003cp\u003eKey to its reliability is the secure bolt-on mounting, which creates a rigid, vibration-resistant bus connection. That means fewer loose connections over time, reduced risk of nuisance trips due to movement, and a steadier protection profile across changing electrical loads. The thermal-magnetic trip unit provides stable, repeatable protection: it responds quickly to short circuits while smoothly handling sustained overloads, helping protect wiring and connected equipment without drama.\u003c\/p\u003e \u003cp\u003eDesigned for seamless integration, the CFD63B070L is compatible with matching Siemens OEM load centers and panelboards, ensuring a tight fit, straightforward replacement, and a coordinated protection strategy across your distribution system. Its 3-pole configuration makes it suitable for 3-phase service in residential, commercial, and light industrial applications.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\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\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CFD63B070L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003eUpgrade an existing Siemens panel to support newer equipment or expand three-phase capacity in commercial spaces, workshops, or light industrial environments. Use the CFD63B070L to protect circuits feeding three-phase motors, HVAC systems, pumps, lighting arrays, and other critical loads where fast, predictable interruption is essential for safety and equipment longevity. The bolt-on design simplifies installation in compatible panelboards, delivering a secure, durable connection that stands up to routine vibrations and electrical noise.\u003c\/p\u003e \u003ch3\u003eWhy this breaker matters for your installation\u003c\/h3\u003e\n\u003cp\u003eChoosing the Siemens CFD63B070L means relying on a proven thermal-magnetic protection approach that delivers clear, repeatable trip behavior and dependable performance across diverse load profiles. With OEM-compatible mounting and a robust bolt-on connection, it provides a cohesive, maintenance-friendly solution that aligns with Siemens distribution equipment, helping you reduce installation time and improve system reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349777633442,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cfd63b070l-70-a-600-v-3-pole-bolt-on-circuit-breaker-388.webp?v=1788723587","url":"https:\/\/www.ampstate.com\/products\/siemens-cfd63b070l-70a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}