{"product_id":"siemens-fxd63b080-80a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63B080 - 80 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FXD63B080 is a rugged 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. At 80 amps and 600V, it’s built to handle the demanding demands of modern electrical systems while providing precise protection against overloads and short circuits.\u003c\/p\u003e \u003ch2\u003eOverview of capabilities\u003c\/h2\u003e\n\u003cp\u003eDesigned for reliability in residential, commercial, and light industrial environments, the FXD63B080 combines a secure bolt-on mounting with a thermal-magnetic trip unit. This pairing delivers stable, repeatable protection performance across a range of operating conditions, reducing nuisance trips and maintaining power continuity where it matters most.\u003c\/p\u003e \u003ch2\u003eKey differentiators that matter in the field\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to the bus bars, helping maintain electrical integrity even in environments with vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers coordinated protection for both sustained overloads and instantaneous short circuits, helping to quickly isolate faults without compromising system stability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-panel compatibility\u003c\/strong\u003e is designed to work seamlessly with matching Siemens OEM load centers and panelboards, simplifying upgrades, replacements, and service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical distributions, making it a practical choice for diverse projects and upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications at a glance\u003c\/h2\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 FXD63B080\u003c\/li\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 80A\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 \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards in residential installations that require reliable 3-pole protection for 240V or multi-wire circuits.\u003c\/li\u003e \u003cli\u003eReplacing a failing breaker in commercial electrical panels where stable protection and OEM compatibility are critical.\u003c\/li\u003e \u003cli\u003eInstalling in light industrial distribution where vibration resistance and robust mounting help maintain long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation, maintenance, and practical tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure the bolt-on mounting is securely fastened to deliver a solid bus connection and minimize movement that could affect contact integrity.\u003c\/li\u003e \u003cli\u003eVerify compatibility with the existing Siemens OEM load centers and panelboards to preserve correct phasing, trip characteristics, and electrical coordination.\u003c\/li\u003e \u003cli\u003eUse only in suitable panelboard configurations and follow Siemens installation instructions to maintain warranty and performance expectations.\u003c\/li\u003e \u003cli\u003eRoutinely inspect for signs of wear, overheating, or corrosion at the mounting points, and replace the unit if any degradation is observed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose the Siemens FXD63B080\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReliable, industry-standard protection that pairs a bolt-on, vibration-resistant connection with a thermal-magnetic trip for predictable, fast fault isolation.\u003c\/li\u003e \u003cli\u003eDesigned for compatibility with Siemens OEM load centers and panelboards, simplifying upgrades and maintenance without sacrificing performance.\u003c\/li\u003e \u003cli\u003eA practical choice across residential, commercial, and light industrial projects that demand durable, code-compliant overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349796376738,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-fxd63b080-80-a-600-v-3-pole-bolt-on-circuit-breaker-354.webp?v=1788728902","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63b080-80a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}