{"product_id":"siemens-b350-50a-3p-240v-circuit-breaker","title":"Siemens B350 50A 3P 240V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens B350 50A 3P 240V Bolt-On Circuit Breaker — a dependable safeguard for panelboards, load centers, and electrical distribution systems. Designed for retrofit work and maintenance planning, this \u003cstrong\u003ebolt-on\u003c\/strong\u003e breaker lets you keep the exact \u003cstrong\u003epart number\u003c\/strong\u003e when updating or expanding your electrical infrastructure, reducing downtime and confusion on the job site.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in real-world installs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 A\u003c\/strong\u003e protection for demanding circuits, with a \u003cstrong\u003ethree-pole\u003c\/strong\u003e design for comprehensive three-phase applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e240V\u003c\/strong\u003e operating voltage to match standard commercial and industrial power distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e for fast, secure installation and straightforward field service, especially during retrofits where enclosure compatibility matters.\u003c\/li\u003e \u003cli\u003eManufactured by Siemens with a proven track record in reliability and consistent performance across distribution systems.\u003c\/li\u003e \u003cli\u003ePart number \u003cstrong\u003eB350\u003c\/strong\u003e ensures seamless replacement in established panels and critical maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out in the field\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the B350 is purpose-built for panelboards and load centers that rely on a fixed part number for compatibility during repairs and upgrades. The \u003cstrong\u003ebolt-on\u003c\/strong\u003e design minimizes the need for reconfiguring mounting hardware, helping technicians complete service tasks faster and with less downtime. Its three-pole, 240V framing supports balanced protection across all phases, which is essential for safe and reliable electrical distribution in commercial and industrial environments.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where maintaining the exact part number (B350) is critical to compatibility with existing enclosures and bus assemblies.\u003c\/li\u003e \u003cli\u003eScheduled maintenance in panelboards and distribution centers that require dependable, consistent overcurrent protection.\u003c\/li\u003e \u003cli\u003eNew installations within three-phase, 240V systems needing proven Siemens performance and a straightforward bolt-on mounting approach.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eAvailability, compatibility, and support\u003c\/h3\u003e\n\u003cp\u003eThis B350 50A 3P 240V Bolt-On Circuit Breaker is available from AmpState. If you’re unsure about fit or compatibility, we’re here to help. \u003cstrong\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eWhen planning your installation, consider how the bolt-on design supports quick field changes, the importance of keeping a consistent part number for long-term maintenance, and how a reliable 50 A, 3-pole, 240V breaker can improve overall circuit protection and system uptime. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410854596770,"sku":"B350","price":320.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-b350-50a-3p-240v-circuit-breaker-bolt-on-ampstate-breakers-543.webp?v=1788977384","url":"https:\/\/www.ampstate.com\/products\/siemens-b350-50a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}