{"product_id":"siemens-ed43b090-90a-3p-480v-circuit-breaker","title":"Siemens ED43B090 90A 3P 480V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens ED43B090 90A 3P 480V Bolt-On Circuit Breaker from AmpState is built for reliable circuit protection in panelboards, load centers, and electrical distribution networks. Designed for technicians who value a direct part-number match, this three-pole breaker delivers robust performance in demanding, three-phase installations.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ED43B090\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure, bolt-on mounting provides a durable, vibration-resistant connection ideal for demanding electrical environments.\u003c\/li\u003e \u003cli\u003eThree-pole protection designed for 480V three-phase systems, ensuring consistent, coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003eDirect part-number compatibility supports fast, precise replacements for panel builders and maintenance teams.\u003c\/li\u003e \u003cli\u003eSmart choice for spare inventory, helping facilities minimize downtime when protection devices need replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical maintenance teams managing panelboards and load centers in commercial or industrial settings.\u003c\/li\u003e \u003cli\u003ePanel builders and OEMs seeking reliable, standard components with straightforward sourcing.\u003c\/li\u003e \u003cli\u003eFacilities managers stocking critical spares to reduce downtime during protection device failures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse scenarios\u003c\/h3\u003e\n\u003cp\u003eReplace aging or failed breakers in existing 480V, 3-phase installations; upgrade protection in new panel builds; maintain consistent part-numbering across stock to simplify procurement and service workflows.\u003c\/p\u003e \u003ch3\u003eCompatibility \u0026amp; support\u003c\/h3\u003e\n\u003cp\u003eIf you need help matching a part number or confirming compatibility, send us a message — AmpState specialists are ready to verify fit and guide you to a precise match for your panelboard or distribution setup.\u003c\/p\u003e \u003cp\u003eSecure this Siemens ED43B090 90A 3P 480V Bolt-On Circuit Breaker today and streamline your electrical protection strategy with a trusted, easy-to-source component from AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989338786,"sku":"ED43B090","price":1950.0,"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-ed43b090-90a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}