{"product_id":"eaton-ehb1090-circuit-breaker","title":"Eaton | EHB1090 | Circuit Breaker | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton EHB1090 is a precise, one-pole circuit breaker designed for 277V circuits. Created for maintenance, retrofit, and replacement scenarios, it helps you keep electrical systems protected with exact compatibility and reliable performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EHB1090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Maintenance, retrofit, and replacement projects\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the EHB1090 part number is the most reliable reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Eaton EHB1090 stands out: it’s purpose-built to match the specific form factor and electrical characteristics required by compatible Eaton panels. Using an exact-match part minimizes uncertainty during service work, helps maintain the integrity of protection schemes, and reduces downtime when a single-pole, 277V breaker is needed.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or degraded breaker in an Eaton panel that requires a 1-Pole, 277V device\u003c\/li\u003e \u003cli\u003eConducting a retrofit to support 277V circuits without changing the existing panel architecture\u003c\/li\u003e \u003cli\u003eMaintaining inventory for service technicians and facility managers who rely on exact-spec Eaton components\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for ordering: keep the part number EHB1090 handy as the best reference for compatibility, and verify the panel’s label or catalog to ensure the 277V, 1-Pole configuration aligns with your existing setup. With this approach, you’ll achieve consistent protection performance and a smooth installation experience.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426773225634,"sku":"EHB1090","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ehb1090-circuit-breaker-1-pole-277v-685.webp?v=1789618931","url":"https:\/\/www.ampstate.com\/products\/eaton-ehb1090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}