{"product_id":"siemens-fxd63b090-90a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens FXD63B090 - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens FXD63B090, a 90A, 600V, 3-pole bolt-on molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short-circuit faults. Built for dependable protection in demanding environments, this unit combines sturdy construction with precise response to electrical faults.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e — ensures a rigid, vibration-resistant bus connection in service panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — delivers stable, repeatable protection against both overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e — ideal for 3-phase systems, supporting higher power loads in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e — designed to pair with matching Siemens load centers and panelboards for seamless upgrades and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — suitable for residential, commercial, and light industrial use, from home workshops to small manufacturing spaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker makes sense for your panel\u003c\/h3\u003e\n\u003cp\u003eIn real-world installations, the FXD63B090 minimizes downtime by reliably sensing overcurrent events and isolating the fault quickly. Its 600V rating expands its applicability to a broad range of panelboard configurations, while the 90A rating provides robust protection for mid-sized circuits and motor loads. The bolt-on mounting not only simplifies installation but also maintains a solid connection even where vibration, conduit movement, or panel layout would otherwise challenge stability.\u003c\/p\u003e \u003ch3\u003eTechnical specifications at a glance\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 FXD63B090\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 90 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\u003eIdeal scenarios and who benefits\u003c\/h3\u003e\n\u003cp\u003e electricians stocking service vans for panelboard maintenance, contractors updating commercial panels, and builders outfitting residential or light industrial spaces with reliable Siemens protection will find the FXD63B090 to be a dependable fit. It’s a practical choice for any installation that requires strong branch circuit protection with a sturdy, vibration-resistant mount and compatibility with Siemens OEM load centers and panelboards.\u003c\/p\u003e \u003cp\u003eProtect your distribution system with a trusted, durable solution. The Siemens FXD63B090 delivers precise protection for 3-phase circuits, easy integration with existing Siemens panels, and the reliability you expect from a leading electrical equipment brand. Add this 90A, 600V, 3-pole bolt-on breaker to your order and ensure steady, safe operation of your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349796442274,"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_09229a0a-1899-4f3d-b920-8efb80c99b50.png?v=1764157033","url":"https:\/\/www.ampstate.com\/products\/siemens-fxd63b090-90a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}