{"product_id":"square-d-egb34090-90a-480v-3-pole-bolt-on-circuit-breaker","title":"Square D EGB34090 - 90 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D EGB34090 is a 90 A, 480 V, 3-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit protection in panelboards and loadcenters. Built to handle the demands of modern electrical distributions, it delivers consistent protection where reliability matters most—from bustling commercial spaces to light industrial environments.\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain uninterrupted electrical performance in ever-changing conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers stable, repeatable protection by accurately responding to both overcurrent and short-circuit events, reducing nuisance trips and protecting upstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e aligns with matching Square D loadcenters and panelboards for straightforward replacement and streamlined installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e supports 3-phase systems, ideal for commercial and light industrial electrical layouts that demand robust phase distribution at 480 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where reliable circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EGB34090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\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\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in commercial panelboards and loadcenters that serve lighting, receptacle banks, HVAC controls, and small motors.\u003c\/li\u003e \u003cli\u003eIntegrating into 3-phase distribution systems where reliability and tight short-circuit protection are critical.\u003c\/li\u003e \u003cli\u003eSituations requiring a sturdy, vibration-resistant connection in environments with equipment that experiences movement or vibration.\u003c\/li\u003e \u003cli\u003eNew installations in light industrial settings where 480 V systems are standard and space-efficient bolt-on solutions are preferred.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe Square D EGB34090 isn’t just any 90 A breaker. Its bolt-on design minimizes connection looseness over time, delivering consistent electrical performance in panelboards and loadcenters even under demanding conditions. The combined thermal and magnetic tripping mechanism provides precise protection against both overloads and short circuits, helping protect downstream equipment and improve overall system uptime. When you need a compatible, rugged solution that fits neatly into OEM configurations while covering 3-phase 480 V distribution, this EGB34090 is a purpose-built choice for dependable circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355205357730,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-egb34090-90-a-480-v-3-pole-bolt-on-circuit-breaker-405.webp?v=1788741020","url":"https:\/\/www.ampstate.com\/products\/square-d-egb34090-90a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}