{"product_id":"eaton-hfd1150l-277v-1-pole-circuit-breaker","title":"Eaton HFD1150L - 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HFD1150L is a 277V, single-pole molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. Its compact profile makes the most of panel space, while a thermal-magnetic trip unit provides stable, repeatable protection for a wide range of loads.\u003c\/p\u003e \u003ch2\u003eSmart design for space and protection\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes footprint, freeing valuable space inside panels for other circuits and future expansions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers precise protection, responding quickly to short circuits and providing reliable overload protection across varying temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V, 1-pole configuration\u003c\/strong\u003e optimized for commercial lighting, general power branches, and other 277V circuits common in non-residential environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to work with matching Eaton OEM loadcenters and panelboards for smooth retrofits and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical systems that require robust 277V branch protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtect 277V lighting and power branches in retail spaces, offices, schools, and warehouses.\u003c\/li\u003e \u003cli\u003eUpgrade aging panelboards with modern, reliable thermal-magnetic protection in new-build or retrofit projects.\u003c\/li\u003e \u003cli\u003eImplement in subpanels where space is tight but dependable branch-circuit protection is essential.\u003c\/li\u003e \u003cli\u003eIntegrate with matching OEM panelboards to maintain factory-tested compatibility and simplify maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this matters\u003c\/h2\u003e\n\u003cp\u003eChoosing the Eaton HFD1150L means combining trusted protection with panel-space efficiency. The thermal-magnetic trip unit reduces nuisance trips while delivering fast, predictable responses to overcurrent and short-circuit events. That translates to less downtime, protected wiring, and safeguarded connected equipment in commercial and light industrial environments where 277V circuits are common.\u003c\/p\u003e \u003ch2\u003eSpecs and compatibility\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 HFD1150L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches OEM loadcenters and panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAvailable from AmpState, the Eaton HFD1150L 277V, 1-pole molded case circuit breaker brings reliable protection to your electrical system with a design that respects panel space and installation simplicity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349594427554,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hfd1150l-277-v-1-pole-circuit-breaker-ampstate-breakers-809.webp?v=1788688791","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd1150l-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}