{"product_id":"siemens-e1sed43b050-50a-3p-480v-circuit-breaker","title":"Siemens E1SED43B050 Circuit Breaker, 50A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens E1SED43B050 Circuit Breaker\u003c\/strong\u003e is a purpose-built protective device for industrial electrical service, maintenance, and replacement projects. With a three-pole design for three-phase systems and a 50 A rating, it delivers reliable overcurrent protection at 480 V across all three phases.\u003c\/p\u003e \u003cp\u003eKey benefits and what makes it unique:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number-driven compatibility:\u003c\/strong\u003e Use the exact part number E1SED43B050 to confirm fit in your Siemens-compatible panels and assemblies. This isn’t a generic breaker—it's a Siemens component designed to align with Siemens electrical ecosystems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 480 V protection:\u003c\/strong\u003e Engineered for three-phase circuits common in industrial settings, providing synchronized protection across all phases to prevent unbalanced faults that can damage equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50 A capacity for medium-load circuits:\u003c\/strong\u003e Ideal for motors, pumps, drives, and control circuits that require solid protection without nuisance trips in normal operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability:\u003c\/strong\u003e Built to withstand the rigors of maintenance and field replacements, reducing downtime during service windows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple replacement workflow:\u003c\/strong\u003e Designed to slot into existing Siemens panel configurations, minimizing modification and enabling faster maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed circuit breaker in a three-phase industrial panel during planned maintenance or after a fault event.\u003c\/li\u003e \u003cli\u003eProtecting motor drives, conveyors, and compressors on manufacturing lines that run on 480V three-phase service.\u003c\/li\u003e \u003cli\u003eServing as a dependable service disconnect in machine cells or processing equipment where reliable trip protection is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify compatibility:\u003c\/p\u003e\n\u003cp\u003eAlways verify fit by part number and your application requirements. If you’re unsure about cross-reference or compatibility, the seller can assist—you can message us to confirm that E1SED43B050 matches your panel, bus type, and trip characteristics.\u003c\/p\u003e \u003cp\u003eNotes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProduct Type: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 50 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 480 V\u003c\/li\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415414755490,"sku":"E1SED43B050","price":4000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-e1sed43b050-circuit-breaker-50a-3-pole-480v-breakers-807.webp?v=1789152941","url":"https:\/\/www.ampstate.com\/products\/siemens-e1sed43b050-50a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}