{"product_id":"eaton-ghc1090-circuit-breaker","title":"Eaton | GHC1090 | Circuit Breaker | 90A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eEaton's GHC1090 circuit breaker delivers reliable overcurrent protection for 90-amp, single-pole circuits at 277V. Designed for maintenance, retrofit, and replacement projects, this unit integrates seamlessly with compatible Eaton panels where the GHC1090 family is specified. Before ordering, verify fit and ratings—the part number remains the clearest reference for compatibility.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\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 GHC1090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Eaton GHC1090 matters for your panel\u003c\/h3\u003e\n\u003cp\u003eWhen your panel configuration relies on a single-pole, 90-amp protection at 277V, the GHC1090 provides a precise, manufacturer-backed solution. Its 90A rating supports higher-load circuits common in commercial or industrial settings, while the 277V rating aligns with lighting and equipment circuits typical in commercial buildings. This breaker is purpose-built for maintenance, retrofit, and replacement scenarios, ensuring continuity of protection without the guesswork of generic substitutes.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated breaker in an Eaton panel that requires a 90A, 1-pole, 277V device.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing wiring and loads are designed for 277V circuits needing robust, single-pole protection.\u003c\/li\u003e \u003cli\u003eMaintenance activities that require a direct, compatible part reference to minimize downtime and ensure electrical safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure correct fit, rely on the part number: GHC1090. This is the most reliable reference for compatibility with Eaton panels and the GHC series. Always confirm fit and ratings before ordering, and consult your panel’s documentation to verify that a 90A, 1-pole, 277V breaker is appropriate for the circuit you’re protecting.\u003c\/p\u003e \u003ch3\u003eInstallation and safety considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the equipment and follow local electrical codes during replacement or retrofit.\u003c\/li\u003e \u003cli\u003eVerify the panel rating supports 90A single-pole, 277V protection before installation.\u003c\/li\u003e \u003cli\u003eHandle the breaker by the body, not the terminals, to avoid damage to internal components.\u003c\/li\u003e \u003cli\u003eKeep a spare GHC1090 on hand for predictable maintenance cycles and faster replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427381334178,"sku":"GHC1090","price":1347.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ghc1090-circuit-breaker-90a-1-pole-277v-730.webp?v=1789712749","url":"https:\/\/www.ampstate.com\/products\/eaton-ghc1090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}