{"product_id":"siemens-bqd350-50a-3p-480v-circuit-breaker","title":"Siemens BQD350 50A 3P 480V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens BQD350 — a bolt-on, 50 A, 3-pole circuit breaker designed for robust protection in panelboards, load centers, and electrical distribution networks. Built for 480 V three-phase systems, this unit is purpose-built for retrofit projects and maintenance plans where preserving the exact part number matters for stock, compatibility, and service continuity.\u003c\/p\u003e \u003ch3\u003eWhy the Siemens BQD350 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e for quick, straightforward replacements in existing enclosures, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e tailored for 480 V three-phase distribution, supporting reliable protection across commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number BQD350\u003c\/strong\u003e and \u003cstrong\u003eSiemens manufacture\u003c\/strong\u003e provide consistent inventory, predictable performance, and simplified parts planning across service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e ensures you can source this exact unit when you need it, simplifying procurement and project scheduling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cp\u003ePerfect for updating or maintaining existing systems without changing the part numbers you’ve standardized on. Use it in panelboards and load centers that rely on 480 V three-phase protection, whether you’re performing routine maintenance, retrofitting older installations, or planning long-term electrical distribution upgrades. Its bolt-on design helps technicians swap units quickly during scheduled downtime, reducing disruption to operations.\u003c\/p\u003e \u003ch3\u003eKey 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 BQD350\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problem this solves\u003c\/h3\u003e\n\u003cp\u003eWhen maintaining or upgrading distribution systems, keeping the same part number simplifies inventory management and reduces compatibility risk. The Siemens BQD350 delivers reliable, three-phase protection at a practical 50 A rating, with a bolt-on design that speeds replacements without altering wiring configurations. This makes it a dependable choice for facilities that depend on consistent parts for fast, predictable maintenance cycles.\u003c\/p\u003e \u003ch3\u003eWho should consider this model\u003c\/h3\u003e\n\u003cp\u003eFacilities engineers, electrical contractors, and maintenance teams responsible for panelboards and load centers that operate at 480 V three-phase. If your project calls for a consistent, bolt-on 50 A, 3P, 480 V solution from Siemens, the BQD350 is engineered to fit seamlessly into your existing distribution strategy.\u003c\/p\u003e \u003cp\u003eNeed confirmation of fit or compatibility with your specific panel? AmpState provides support to verify the right match, ensuring your retrofit or maintenance plan stays on track with minimal risk to downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410839949474,"sku":"BQD350","price":652.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-bqd350-50a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}