{"product_id":"siemens-fxd63l150-150a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63L150 - 150 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens FXD63L150 is a 3-pole bolt-on molded case circuit breaker rated 150 A at 600 V, built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its secure bolt-on mounting creates a rigid, vibration-resistant bus connection, helping maintain precise protection where equipment and panel environments experience movement or vibration.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting for durable, vibration-resistant connections:\u003c\/strong\u003e A robust bolt-on design minimizes connection loosening, ensuring consistent protection during routine panel maintenance and in installations subject to vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit for precise protection:\u003c\/strong\u003e Combines time-delayed thermal response with an instantaneous magnetic trip, delivering stable long-term protection against overloads and fast, reliable clearing of short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible for streamlined replacements:\u003c\/strong\u003e Designed to work with matching Siemens OEM load centers and panelboards, reducing install time and compatibility concerns during upgrades or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors:\u003c\/strong\u003e Ideal for residential service upgrades, commercial distribution panels, and light industrial electrical infrastructure where dependable fault protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho this is for\u003c\/strong\u003e: Electricians, facilities managers, and retrofit specialists who need a rugged, high-current breaker that fits seamlessly into existing Siemens panel ecosystems and delivers reliable protection in tighter spaces or crowded electrical rooms.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy it matters\u003c\/strong\u003e: In panel configurations, a secure mechanical connection combined with a predictable trip response reduces nuisance trips and reverberations during fault events. This translates to fewer service interruptions, safer equipment operation, and clearer diagnostic conditions for maintenance teams.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eApplications and use cases\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations in residential, commercial, and light-industrial panels requiring up to 150 A protection at 600 V.\u003c\/li\u003e \u003cli\u003ePanelboard and load center upgrades where OEM compatibility accelerates replacement and minimizes compatibility risk.\u003c\/li\u003e \u003cli\u003eFeed-through and branch circuit protection in distribution schemes that demand reliable, repeatable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: FXD63L150\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 150 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 \u003cp\u003eChoose the FXD63L150 for installations that demand a combination of mechanical robustness and precise protection performance. Its bolt-on design, compatible OEM integration, and reliable thermal-magnetic trip make it a practical, long-term solution for safeguarding electrical systems across a range of environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349797163170,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-fxd63l150-150-a-600-v-3-pole-bolt-on-circuit-breaker-769.webp?v=1788729100","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63l150-150a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}