{"product_id":"siemens-bqd150-50a-1p-277v-circuit-breaker","title":"Siemens BQD150 50A 1P 277V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQD150 is a dependable circuit breaker selected for circuit protection in panelboards, load centers, and electrical distribution. Its bolt-on design makes retrofit work and maintenance planning straightforward, especially when a specific part number needs to stay consistent over time. Built for reliability, the BQD150 helps keep critical electrical systems protected without unexpected downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\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 BQD150\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 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277 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 Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in existing panelboards or load centers where keeping the same part number simplifies inventory and maintenance planning.\u003c\/li\u003e \u003cli\u003eElectrical distribution setups that require single-pole protection at 50 A for 277 V circuits, common in assorted commercial or light industrial applications.\u003c\/li\u003e \u003cli\u003eMaintenance and service scenarios that demand quick, secure bolt-on installation for fast replacements and minimal downtime.\u003c\/li\u003e \u003cli\u003eLong-term reliability for panels that rely on a trusted Siemens design to maintain consistent performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your system\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConsistent part numbering reduces confusion during repairs and spares management, helping technicians locate the exact replacement quickly.\u003c\/li\u003e \u003cli\u003eBolt-On mounting offers a solid, low-profile connection that supports durable operation in distribution equipment.\u003c\/li\u003e \u003cli\u003e277 V compatibility broadens applicability for distribution circuits that don’t run at standard 120\/240 V in certain commercial environments.\u003c\/li\u003e \u003cli\u003ePartner support from AmpState ensures you have a direct resource if you need help confirming fit or compatibility with your panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eFor professionals managing panel upgrades or selective protections, the Siemens BQD150 provides a clear path to maintain consistent hardware across your distribution network. \u003cstrong\u003eNeed help matching a part number or confirming compatibility?\u003c\/strong\u003e Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410916462754,"sku":"BQD150","price":206.0,"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-bqd150-50a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}