{"product_id":"eaton-hfd1125l-277v-1-pole-circuit-breaker","title":"Eaton HFD1125L - 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HFD1125L is a 277 V, 1-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact footprint helps maximize usable space in crowded electrical panels, making it a practical choice for both new installs and upgrades.\u003c\/p\u003e \u003ch3\u003eWhy choose the Eaton HFD1125L\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e minimizes takedown and frees panel space, simplifying layout and future expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance across varying temperatures and fault conditions, reducing nuisance trips and ensuring reliable circuit safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to pair with matching Eaton OEM load centers and panelboards, streamlining installation and guaranteeing proper physical and electrical fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where 277 V circuits are common.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey applications and use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for branch circuit protection in panelboards and load centers operating at 277 V, the HFD1125L is ideal for commercial lighting circuits, small business electrical feeders, and other 277 V distribution needs. Its compact form factor makes it suitable for retrofit projects where space is at a premium, while the reliable thermal-magnetic protection helps ensure safety and continuity in everyday operation.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\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 HFD1125L\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 277 V\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\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for optimal performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the HFD1125L with the corresponding OEM load center or panelboard to ensure proper mounting geometry and electrical compatibility.\u003c\/li\u003e \u003cli\u003eConsider panel layout and conductor routing to take advantage of the breaker’s compact design, especially in densely populated panels.\u003c\/li\u003e \u003cli\u003eVerify the circuit’s voltage class and current requirements match the 277 V, 1-pole protection profile to maintain effective protection without nuisance tripping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEngineered for reliability and ease of integration, the Eaton HFD1125L helps you safeguard branch circuits with precision while keeping your panel design streamlined. Whether you’re upgrading an older installation or designing a new commercial space, this 277 V, 1-pole molded case breaker offers a durable, compatible solution that aligns with Eaton’s panelboard ecosystem.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349594394786,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hfd1125l-277-v-1-pole-circuit-breaker-ampstate-breakers-249.webp?v=1788688781","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd1125l-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}