{"product_id":"siemens-ed43b050-50a-3p-480v-circuit-breaker","title":"Siemens ED43B050 50A 3P 480V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens ED43B050 is a purpose-built bolt-on circuit breaker designed to deliver reliable overcurrent protection in 480V three‑phase distribution. With a 50 A rating and three poles, this unit is a precise fit for panelboards, load centers, and other electrical distribution configurations where space and performance matter.\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 ED43B050\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 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this specific breaker matters\u003c\/h3\u003e\n\u003cp\u003eThe ED43B050 is chosen for installations that require exact original equipment compatibility and dependable protection for critical circuits. Its bolt-on design simplifies replacement in existing panelboards and distribution centers, reducing downtime when you’re aligning with the original BOM and part numbers. Ideal for stocking spares on larger installations, it helps maintain consistency across maintenance and upgrades.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacility engineers replacing failed breakers in 480V, 3‑phase systems\u003c\/li\u003e \u003cli\u003eElectrical contractors conducting panelboard upgrades or refurbishments\u003c\/li\u003e \u003cli\u003eOEMs integrating Siemens protection into 3P 480V electrical distributions\u003c\/li\u003e \u003cli\u003eMaintenance teams keeping BOMs aligned to the exact original part number (ED43B050)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cp\u003eDeploy the Siemens ED43B050 to safeguard feeders and critical circuits in manufacturing lines, data centers, and commercial electrical rooms where precise 50 A, 3‑pole protection at 480V is required. It’s well-suited for projects that demand exact part-number compatibility to preserve warranty coverage and spare-part alignment. When downtime is costly, rely on a known-good Siemens component that matches your original configuration.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eEnsure your panelboard or load center accepts bolt-on 3P breakers in the ED43 family and that the 480V distribution matches your system requirements. If you’re unsure about fit or compatibility with existing BOMs, AmpState can assist in confirming match to the ED43B050 part number and the intended installation. This proactive step helps you avoid misfits and streamlines procurement.\u003c\/p\u003e \u003ch3\u003eWhy buy from AmpState\u003c\/h3\u003e\n\u003cp\u003eAmpState offers the Siemens ED43B050 as a ready-to-ship solution for replacement and spare stocking. With a focus on exact part-number compatibility and practical support, AmpState helps you verify fit and get your project back on track quickly.\u003c\/p\u003e \u003cp\u003eSecure the Siemens ED43B050 50A 3P 480V Bolt-On Circuit Breaker today and maintain consistent, reliable protection across your electrical distribution network.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410890576034,"sku":"ED43B050","price":1872.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed43b050-50a-3p-480v-circuit-breaker-bolt-on-ampstate-571.webp?v=1788985641","url":"https:\/\/www.ampstate.com\/products\/siemens-ed43b050-50a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}