{"product_id":"siemens-hfd63b250-250a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HFD63B250 - 250 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HFD63B250 — a 250A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver steadfast branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability in demanding environments, this breaker is a trusted choice for residential, commercial, and light industrial electrical systems.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection. That means fewer loose contacts, more consistent trips, and less maintenance in installations subject to vibration or equipment movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers stable, repeatable protection against both overloads and short circuits. The combination of thermal and magnetic sensing helps ensure the right level of protection as load conditions shift throughout the day.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for three-phase systems\u003c\/strong\u003e supports balanced protection across all conductors, reducing the risk of uneven fault scenarios in commercial or light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility with matching OEM loadcenters and panelboards\u003c\/strong\u003e simplifies replacement or upgrades within Siemens ecosystems and compatible panel lines, helping maintain OEM intent and panel integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThis molded case circuit breaker is purpose-built for protecting branch circuits in panelboards and loadcenters. Use it to safeguard feeders and equipment in\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential distribution panels needing robust, high-current protection\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms with high-load HVAC, pumps, and lighting feeders\u003c\/li\u003e \u003cli\u003eLight industrial panels where dependable short-circuit protection is essential\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 HFD63B250\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 250 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 \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cp\u003eWhen installing or upgrading, ensure the panelboard or loadcenter is rated for 600V operation and supports bolt-on MCCB devices. Verify alignment and tighten mounting hardware to the panel manufacturer’s torque specifications to maintain the integrity of the bus connection. If you’re upgrading from a lower-current device, plan for load distribution across three phases to optimize protection and performance.\u003c\/p\u003e \u003cp\u003eFor trusted protection that’s built to endure in everyday power distribution, choose the Siemens HFD63B250 250A, 600V, 3-pole bolt-on molded case circuit breaker — available from AmpState. It’s a purpose-driven solution for reliable, long-term circuit protection in your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349803192482,"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_8119baef-a9af-4cb9-9055-fb2a0dd58777.png?v=1764157277","url":"https:\/\/www.ampstate.com\/products\/siemens-hfd63b250-250a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}