{"product_id":"siemens-hfxd63b100l-100a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HFXD63B100L - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HFXD63B100L is a 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. With a 100 A rating and a 600 V maximum, it handles substantial three-phase loads while maintaining compact, install-ready form for residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection that stays tight through equipment start-up and ongoing operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines a thermal element for overload detection with a magnetic element for rapid short-circuit tripping, ensuring stable, repeatable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e engineered to pair with matching Siemens load centers and panelboards for a seamless, code-compliant installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors:\u003c\/strong\u003e ideal for residential panels, commercial distribution, and light industrial circuits where reliable overcurrent protection is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: HFXD63B100L\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 \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eInstall this 3-pole breaker in new or upgrade projects where a three-phase feed requires solid protection. It’s well-suited for three-phase HVAC feeders, commercial lighting circuits, and small industrial equipment power distribution. If you’re expanding a Siemens-based panel system, the HFXD63B100L provides compatible trip characteristics and mechanical fit to minimize retrofit time and avoid compatibility pitfalls.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRigid, vibration-resistant bus connections thanks to secure bolt-on mounting.\u003c\/li\u003e \u003cli\u003eThermal-magnetic protection that delivers consistent responses to both overloads and short circuits.\u003c\/li\u003e \u003cli\u003eExplicit compatibility with Siemens OEM panelboards and load centers, eliminating guesswork during installation.\u003c\/li\u003e \u003cli\u003eClear, practical applicability across residential, commercial, and light industrial settings for reliable, long-term protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety notes\u003c\/h3\u003e\n\u003cp\u003eEnsure power is fully de-energized before any installation or service work. This bolt-on breaker should be installed by qualified electrical personnel in accordance with local codes and the panelboard’s instructions. Verify that the OEM load center is compatible with the HFXD63B100L to maintain correct trip performance and labeling.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349804830882,"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_d635d68a-8dfa-4cb8-a511-7a99e8d058e0.png?v=1764157286","url":"https:\/\/www.ampstate.com\/products\/siemens-hfxd63b100l-100a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}