{"product_id":"eaton-hfd1090-90a-277v-1-pole-bolt-on-circuit-breaker","title":"Eaton HFD1090 - 90 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eWhen reliability and precise protection matter, the Eaton HFD1090 delivers. This 90A, 277V, 1-pole bolt-on molded case circuit breaker is designed to guard branch circuits in panelboards and loadcenters with unwavering performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: Provides a rigid, vibration-resistant bus connection that stays put, even in environments with movement or heavy equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection against overloads and short circuits, reducing nuisance trips and shielding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V compatibility\u003c\/strong\u003e: Ideal for commercial and industrial lighting and power circuits where 277V systems are standard, enabling protection without adapters or modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 90A rating\u003c\/strong\u003e: Perfect for protecting a single high-ampacity branch circuit or critical loads within a panelboard or loadcenter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM loadcenter compatibility\u003c\/strong\u003e: Designed to pair with matching Eaton OEM panelboards and loadcenters for a seamless, code-compliant installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial applications where dependable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe HFD1090 isn’t just a spec sheet item—it’s a dependable solution for electricians needing a rugged, bolt-on unit that won’t loosen under vibration or temperature changes. The bolt-on mounting, robust thermal-magnetic trip, and 277V capability make it a practical choice for service upgrades, panelboard replacements, or new installations in commercial spaces.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: HFD1090\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 90A\u003c\/li\u003e \u003cli\u003eVoltage rating: 277V\u003c\/li\u003e \u003cli\u003eNumber of poles: 1\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether upgrading an aging panel or stocking a commercial electrical room, the Eaton HFD1090 delivers reliable protection with a straightforward, installer-friendly bolt-on design. Its compatibility with Eaton’s OEM panels ensures a smooth swap-in process and maintains system integrity across your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349594034338,"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_9d3af0f0-e0c5-42b8-aa7f-955ec92b6b47.png?v=1764150746","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd1090-90a-277v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}