{"product_id":"siemens-hfd63b150-150a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HFD63B150 - 150 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HFD63B150, a rugged 3-pole bolt-on molded case circuit breaker designed to protect your branch circuits with precision and reliability. With a 150 A current rating and a 600 V operating capability, this device is purpose-built for dependable protection in panelboards and load centers across residential, commercial, and light industrial settings. It’s not just a breaker—it’s peace of mind for electrical systems that demand consistent performance.\u003c\/p\u003e \u003ch3\u003eWhy the Siemens HFD63B150 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus, reducing connection loosening over time and helping maintain consistent protection even in busy electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection: thermal protection for gradual overloads and magnetic protection for fast short-circuit response, minimizing equipment damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e ensures synchronized protection across all phases, promoting balanced loads and safer system operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e supports a wide range of commercial and light industrial circuits, giving you flexibility for diverse electrical layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to work with matching Siemens load centers and panelboards, simplifying installation, upgrades, and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, from feeders and branch circuits to motor and control circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging panelboards where secure mounting and reliable protection are critical.\u003c\/li\u003e \u003cli\u003eReplacing faulty or obsolete breakers in Siemens-aligned panel systems to maintain coordinated protection.\u003c\/li\u003e \u003cli\u003eFeeding motor loads, lighting circuits, HVAC equipment, and other branch circuits in commercial or light industrial facilities.\u003c\/li\u003e \u003cli\u003eRetrofits and new installations in environments with moderate vibration or demanding duty cycles where connection reliability matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThe bolt-on mounting style is specifically chosen to maintain a solid connection in panels that experience regular vibration, temperature swings, or routine maintenance access.\u003c\/li\u003e \u003cli\u003eDesigned for use in matching OEM Siemens load centers and panelboards, helping you achieve seamless integration and predictable trip performance.\u003c\/li\u003e \u003cli\u003eBest paired with other Siemens protection devices to ensure coherent protection curves and straightforward maintenance across the electrical distribution system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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 HFD63B150\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\u003eWhether you’re stocking a commercial service panel, upgrading a residential system, or equipping a light industrial distribution run, the Siemens HFD63B150 delivers dependable, well-coordinated protection.Trust AmpState to provide authentic Siemens breakers that meet your installation needs—with the reliability you expect from a trusted name in electrical protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349802864802,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hfd63b150-150-a-600-v-3-pole-bolt-on-circuit-breaker-447.webp?v=1788730268","url":"https:\/\/www.ampstate.com\/products\/siemens-hfd63b150-150a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}