{"product_id":"siemens-fxd63a150-150a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63A150 - 150 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens FXD63A150 — a 150 A, 600 V, 3-pole bolt-on molded case circuit breaker designed for durable branch circuit protection in panelboards and load centers. Built to prevent overcurrent and short-circuit damage, it’s a reliable choice for modern electrical distribution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a secure, vibration-resistant bus connection, keeping the breaker firmly anchored and reducing the risk of loose contacts in panels subject to movement or vibrations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining a thermal element for gradual overcurrent with a magnetic element for instantaneous response to high fault currents. This means fewer nuisance trips and dependable circuit safeguarding across a range of operating conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless integration with matching Siemens load centers and panelboards, making upgrades, replacements, or expansions straightforward without reengineering protection schemes.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 150 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\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\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\u003eWhat makes this breaker a smart choice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProvides robust protection for feeders and branch circuits in residential, commercial, and light industrial settings.\u003c\/li\u003e \u003cli\u003eDelivers consistent trip performance across temperature variations, improving reliability in real-world installations.\u003c\/li\u003e \u003cli\u003eDesigned for straightforward compatibility with Siemens OEM panel products, reducing installation complexity and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or retrofitting protection in home electrical panels or subpanels\u003c\/li\u003e \u003cli\u003eIntegrating into commercial distribution panels to safeguard critical circuits\u003c\/li\u003e \u003cli\u003eProtecting motors and other equipment in light industrial environments where dependable trip behavior matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and best practices\u003c\/h3\u003e\n\u003cp\u003eChoose the FXD63A150 when your system requires a 150 A, 3-pole bolt-on device compatible with Siemens OEM load centers and panelboards. Adhere to manufacturer torque specifications for mounting bolts and verify that the panelboard rating supports a 600 V device to ensure safe, long-lasting protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349796147362,"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_470efbf9-2da8-4871-9fef-0f14416e811b.png?v=1764157022","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63a150-150a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}