{"product_id":"siemens-hfxd63b100-100a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HFXD63B100 - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HFXD63B100 is a 100A, 600V, 3-pole bolt-on molded case circuit breaker engineered to protect branch circuits in panelboards and load centers from overcurrent and short-circuit events. The secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that helps maintain a solid, interruption-free power path in busy electrical cabinets.\u003c\/p\u003e \u003cp\u003eAt the heart of this breaker is a thermal-magnetic trip unit, providing stable, repeatable protection performance. The magnetic element responds quickly to short circuits, while the thermal element handles gradual overloads, ensuring dependable operation across a range of environmental conditions and electrical loads.\u003c\/p\u003e \u003cp\u003eDesigned for compatibility with matching OEM load centers and panelboards, the HFXD63B100 offers a seamless fit in Siemens-forward or Siemens-compatible installation environments. Its 3-pole configuration is ideal for three-phase distribution, making it well-suited for commercial and light-industrial panels as well as residential applications that require robust three-phase protection.\u003c\/p\u003e \u003ch3\u003eKey use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations in commercial or light-industrial panelboards where three-phase protection is required\u003c\/li\u003e \u003cli\u003eUpgrading or replacing aging breakers in compatible Siemens or OEM panels to restore reliable overcurrent protection\u003c\/li\u003e \u003cli\u003eSubpanel installations where a compact, bolt-on molded case breaker is preferred for secure mounting and dependable fault interruption\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your electrical system\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid connection to the bus, reducing movement, vibration, and potential arcing over time\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e delivers dependable performance across temperature changes and load conditions\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures straightforward replacement or integration within compatible panelboards and load centers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase suitability\u003c\/strong\u003e supports modern commercial and light-industrial electrical distributions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: HFXD63B100\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 100 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit 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":46349804798114,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_85624f45-f3b3-4f0b-b78d-3072ed2de54e.png?v=1764157285","url":"https:\/\/www.ampstate.com\/products\/siemens-hfxd63b100-100a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}