{"product_id":"eaton-ehd1030l-30a-277v-1-pole-circuit-breaker","title":"Eaton EHD1030L - 30 A, 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEaton EHD1030L is a 30A, 277V, 1-pole molded case circuit breaker designed to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact molded-case footprint frees valuable panel space while maintaining robust protection for commercial, residential, and light industrial electrical systems.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel occupancy efficiency, letting you fit more circuits in the same enclosure without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection with fast response to short-circuit events, reducing the risk of damage to wiring and connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V, 1-pole, 30A\u003c\/strong\u003e specification tailored for lighting and power circuits common in commercial environments, as well as select residential applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair seamlessly with matching Eaton OEM load centers and panelboards for straightforward replacement or upgrade projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range\u003c\/strong\u003e suitable for residential subpanels, commercial electrical rooms, and light industrial installations where dependable circuit protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho should consider the Eaton EHD1030L\u003c\/h2\u003e\n\u003cp\u003eIdeal for electrical technicians and facilities managers looking to upgrade or stock essentials for 277V circuits. Use it in panelboards and load centers where a single-pole, 30A protection device is required—especially in commercial lighting layouts or equipment feeds that operate at 277V. It’s a practical choice when space efficiency, reliable protection, and OEM compatibility are priorities.\u003c\/p\u003e \u003ch2\u003eWhat problems it solves\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents nuisance trips on normal load due to stable thermal-magnetic operation, while still delivering instantaneous response to short circuits.\u003c\/li\u003e \u003cli\u003eMaximizes panel real estate with a compact form factor, helping you design cleaner, more accessible electrical spaces.\u003c\/li\u003e \u003cli\u003eStreamlines maintenance and replacements by matching Eaton load centers and panelboards, reducing compatibility concerns.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\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 EHD1030L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eVoltage Rating: strong\u0026gt; 277V\u003c\/strong\u003e\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 use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the EHD1030L with compatible Eaton load centers to ensure smooth installation and reliable trip coordination.\u003c\/li\u003e \u003cli\u003eConfirm circuit labeling reflects a 277V branch so maintenance personnel recognize the correct protection and wiring configuration.\u003c\/li\u003e \u003cli\u003eArchive a few spare units in standard stocking to expedite repairs on commercial projects where downtime impacts operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349550551202,"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_43fbfe10-3dca-4d15-b7d4-ad176c971b54.png?v=1764149429","url":"https:\/\/www.ampstate.com\/products\/eaton-ehd1030l-30a-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}