{"product_id":"siemens-ed43b090l-90a-480v-3-pole-circuit-breaker","title":"Siemens ED43B090L - 90 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens ED43B090L is a robust 90A, 480V, 3-pole molded-case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for Siemens’ ecosystem, this unit provides consistent trip performance across varied environments with a compact footprint that helps you maximize panel space without sacrificing safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes panel intrusion and frees up space for additional circuits in tight enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding accurately to both overload and instantaneous fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 480V rating\u003c\/strong\u003e ideal for three-phase distribution in commercial and light industrial settings, supporting reliable operation of three-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e engineered to pair with matching Siemens load centers and panelboards for a seamless, integrated protection system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial deployments, covering a wide range of distribution needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters for you\u003c\/h3\u003e\n\u003cp\u003eWhen protecting branch circuits, you don’t just need a breaker — you need predictable performance and reliable coordination with your existing equipment. The ED43B090L delivers:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eClear, repeatable protection even as ambient temperatures shift, helping prevent nuisance trips while staying responsive to faults.\u003c\/li\u003e \u003cli\u003eSpace-efficient design that helps you maximize panel capacity for future expansion without compromising safety.\u003c\/li\u003e \u003cli\u003eDirect compatibility with Siemens panelboards, reducing installation complexity and ensuring consistent electrical characteristics across the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeding three-phase equipment in commercial spaces such as offices, retail outlets, or service shops\u003c\/li\u003e \u003cli\u003eProtecting branch circuits in light industrial facilities with moderate three-phase loads\u003c\/li\u003e \u003cli\u003eUpdating or expanding existing Siemens panelboards and load centers with a compatible, reliable protection solution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens ED43B090L for a trusted, space-conscious solution that aligns with your Siemens protection strategy. Its combination of compact design, precise thermal-magnetic protection, and OEM compatibility makes it a practical, long-term choice for maintaining safe and efficient electrical distribution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349790216354,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed43b090l-90-a-480-v-3-pole-circuit-breaker-ampstate-435.webp?v=1788727759","url":"https:\/\/www.ampstate.com\/products\/siemens-ed43b090l-90a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}