{"product_id":"siemens-hfd63b070l-70a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HFD63B070L - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HFD63B070L—a purpose-built solution for reliable branch circuit protection in panelboards and load centers. With a robust 70A rating, 600V capacity, and a 3-pole bolt-on design, this molded case circuit breaker is engineered to handle the demands of modern electrical installations with precision and resilience.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e ensures a rigid, vibration-resistant bus connection, reducing movement that can degrade performance over time in bustling electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by automatically sensing both sustained overloads and instantaneous short-circuit spikes. This means fewer nuisance trips and more consistent protection for downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for 3-phase systems\u003c\/strong\u003e and 600V rating make it ideal for commercial and light industrial environments, where balanced protection across phases is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible compatibility\u003c\/strong\u003e is designed to pair with matching Siemens OEM loadcenters and panelboards, ensuring seamless integration in existing electrical infrastructures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e—from residential service upgrades to commercial distribution boards and light industrial applications—this breaker keeps circuits protected where reliability matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations in panelboards that require solid 3-phase protection up to 600V.\u003c\/li\u003e \u003cli\u003eReplacement or augmentation in existing Siemens OEM panels to maintain consistent protection characteristics.\u003c\/li\u003e \u003cli\u003eUpgrading branch circuits in commercial spaces with heavier loads or motor-driven equipment where short-circuit events must be swiftly intercepted.\u003c\/li\u003e \u003cli\u003eEmergency and critical-load panels where predictable tripping behavior minimizes downtime and risk.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong manufacturer:\u003e Siemens\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HFD63B070L\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 70A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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\u003eInvesting in the Siemens HFD63B070L means prioritizing long-term electrical safety, predictable protection, and straightforward compatibility with Siemens panel ecosystems. It’s the practical choice for professionals who value precise protection, easy installation, and dependable performance in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349802438818,"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_320d3872-ef9f-43ff-b484-5f74aab608e3.png?v=1764157244","url":"https:\/\/www.ampstate.com\/products\/siemens-hfd63b070l-70a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}