{"product_id":"eaton-ch290st-90a-240v-2-pole-plug-in-circuit-breaker","title":"Eaton CH290ST - 90 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton CH290ST is a 90A, 240V, 2-pole plug-in molded case circuit breaker engineered to safeguard branch circuits within panelboards and loadcenters from overcurrent and short circuits. Its fast plug-in connection enables quick installation and straightforward replacement during panel upgrades or service work, reducing downtime and labor costs.\u003c\/p\u003e \u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Simplified installation and rapid replacement when updating panels or performing service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection as electrical load varies, helping prevent nuisance trips and ensuring reliable circuit safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design:\u003c\/strong\u003e Built to work with matching Eaton OEM loadcenters and panelboards for a safe, seamless fit and reliable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial electrical systems needing dependable branch circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CH290ST\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 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\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 \u003ch2\u003eIdeal Use Cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eResidential panelboards and loadcenters needing reliable 90A protection for branch circuits.\u003c\/li\u003e \u003cli\u003eSmall commercial electrical installations where quick installation and easy replacement matter during panel servicing.\u003c\/li\u003e \u003cli\u003eLight industrial panels that require a durable, plug-in solution with precise thermal-magnetic protection.\u003c\/li\u003e \u003cli\u003eUpgrading aging or legacy panelboards to a compatible, modern CH-series breaker family for improved reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy This Breaker Stands Out\u003c\/h2\u003e\n\u003cp\u003eThe CH290ST combines a robust thermal-magnetic trip mechanism with a plug-in form factor that minimizes installation time without compromising protection. Its compatibility with matching OEM loadcenters simplifies panel upgrades and reduces the risk of misfits or compatibility issues. For technicians and property owners who value dependable protection with straightforward maintenance, this breaker delivers predictable performance across varying loads and duty cycles.\u003c\/p\u003e \u003ch2\u003ePractical Tips for Installation and Use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePair the CH290ST with Eaton OEM loadcenters and panelboards to ensure full-fit integration and optimal protective coordination.\u003c\/li\u003e \u003cli\u003ePlan replacements during scheduled maintenance to minimize system downtime; the plug-in design facilitates rapid swaps.\u003c\/li\u003e \u003cli\u003eKeep track of amperage requirements for each circuit; the 90A rating is ideal for higher-load branch circuits within residential or light commercial setups.\u003c\/li\u003e \u003cli\u003e regularly verify that a matching, correctly rated breaker is used for each circuit to maintain proper protection and avoid nuisance trips.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade or outfit your panel with the Eaton CH290ST—90A, 240V, 2-pole plug-in molded case circuit breaker—available from AmpState for dependable, OEM-aligned protection of your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349516832930,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_07b9744a-251b-4713-b626-1385ff3ef3bf.png?v=1764148649","url":"https:\/\/www.ampstate.com\/products\/eaton-ch290st-90a-240v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}