{"product_id":"siemens-fxd63b150-150a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63B150 - 150 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FXD63B150 is a robust, three-pole bolt-on molded case circuit breaker built to safeguard your electrical distribution with precision and longevity. Designed for dependable branch-circuit overcurrent and short-circuit protection, it slots into panelboards and load centers that require durable, motor-friendly protection for 3-phase systems.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus bars, reducing loosening risks in busy panels and environments with equipment movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines stable thermal protection with fast magnetic response, providing repeatable protection against overloads and immediate clearing of short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e is tailored for seamless integration with matching Siemens panels, ensuring consistent performance and easier installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity, 150 A, 600 V\u003c\/strong\u003e rating makes it suitable for demanding residential, commercial, and light industrial applications where reliable three-phase protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e protects all phases of a 3-phase distribution, helping maintain balance and safety across your electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal uses and scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging breakers in Siemens panelboards and load centers that require 3-phase overcurrent protection.\u003c\/li\u003e \u003cli\u003eNew installations in commercial spaces, warehouses, or light industrial equipment where a sturdy bolt-on solution is preferred for long-term reliability.\u003c\/li\u003e \u003cli\u003eService upgrades or retrofits in existing electrical rooms where consistent trip behavior and robust bus connections minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems it solves\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrevents nuisance trips caused by loose connections or vibration by providing a secure bolt-on mount.\u003c\/li\u003e \u003cli\u003eDelivers dependable protection against sustained overloads and sudden short circuits with a calibrated thermal-magnetic response.\u003c\/li\u003e \u003cli\u003eEnsures compatibility and optimal performance within Siemens-made ecosystems, reducing mismatches and installation guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical specifications at a glance\u003c\/p\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: FXD63B150\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: 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\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 \u003cp\u003eWhy choose it over alternatives\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned to mate seamlessly with Siemens OEM panels, reducing compatibility concerns and installation complexity.\u003c\/li\u003e \u003cli\u003eBolted mounting and a rugged molded-case design yield reliable performance in environments with vibration, temperature swings, and frequent cycling.\u003c\/li\u003e \u003cli\u003eThe 3-pole configuration ensures coordinated protection across all phases, which is essential for balanced 3-phase loads and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady for installation in your next project, the FXD63B150 provides precise protection, durable construction, and seamless Siemens compatibility. It’s a practical choice for professionals who need dependable, code-compliant 3-phase protection with straightforward, secure mounting.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349796737186,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-fxd63b150-150-a-600-v-3-pole-bolt-on-circuit-breaker-659.webp?v=1788728989","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63b150-150a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}