{"product_id":"siemens-fxd63b150l-150a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63B150L - 150 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FXD63B150L is a robust 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Rated at 150 A and 600 V, this unit is engineered to handle the demands of modern electrical systems with precision and durability.\u003c\/p\u003e \u003ch3\u003eWhy the FXD63B150L stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: A rigid, vibration-resistant connection to the bus ensures consistent electrical contact and reduces the risk of loose fittings in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal overload protection with instantaneous magnetic trip, delivering stable and repeatable protection against sustained overcurrents and short circuits alike.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Ideal for balanced three-phase circuits common in commercial and light industrial applications, providing coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Designed to pair seamlessly with matching Siemens load centers and panelboards, ensuring reliable fit, performance, and coordination within existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across settings\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial installations where reliable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\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\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FXD63B150L\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 \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading panelboards in small to midsize commercial spaces where reliable three-phase protection is required.\u003c\/li\u003e \u003cli\u003eRetrofitting existing Siemens systems or OEM load centers to enhance protection against overloads and short circuits.\u003c\/li\u003e \u003cli\u003eProtecting critical equipment in light industrial environments—think motors, compressors, and HVAC controls—where stable trip performance minimizes downtime.\u003c\/li\u003e \u003cli\u003eIntegrating into new construction projects that demand durable, vibration-tolerant circuit protection with solid bus connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and performance insights\u003c\/h3\u003e\n\u003cp\u003eThe FXD63B150L is engineered for dependable, long-term operation in panelboards and load centers that support bolt-on molded case breakers. Its combination of thermal and magnetic trip actions helps reduce nuisance trips while delivering fast isolation during short circuits. For best results, pair this breaker with compatible Siemens equipment and follow standard electrical practices for bolt-on installations in accordance with local codes. Always verify panelboard compatibility and ensure proper wiring, torque management, and coordination with the rest of the protection scheme.\u003c\/p\u003e \u003cp\u003eEngineered by Siemens for reliability, the FXD63B150L offers a clear, purpose-built solution for three-phase protection needs in residential-adjacent, commercial, and light industrial applications. It’s a precise fit for professionals seeking a durable, OEM-compatible breaker that delivers strong protection where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349796769954,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-fxd63b150l-150-a-600-v-3-pole-bolt-on-circuit-breaker-930.webp?v=1788728998","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63b150l-150a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}