{"product_id":"eaton-ghqrd1020-20a-277v-1-pole-circuit-breaker","title":"Eaton GHQRD1020 - 20 A, 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton GHQRD1020 is a 20A, 277V, 1-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a compact molded case design, it makes efficient use of panel space while delivering reliable performance when it matters most.\u003c\/p\u003e \u003ch3\u003eKey advantages that matter in the real world\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient design\u003c\/strong\u003e: A compact molded case footprint helps maximize panel density without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Provides stable, repeatable protection by quickly responding to short circuits and reliably handling overloads, reducing nuisance trips on steady loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole, 20A, 277V\u003c\/strong\u003e: Ideal for single-phase circuits in commercial or industrial settings, especially lighting and small equipment runs that use 277V supply.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: Engineered to drop into matching Eaton load centers and panelboards for seamless upgrades, replacements, or new installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Suitable across residential, commercial, and light industrial environments where reliable fault protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrade or branch protection for commercial lighting circuits running at 277V in office buildings, retail spaces, or hospitality venues.\u003c\/li\u003e \u003cli\u003eProtection of small, non-residential electrical loads in panelboards where space is at a premium and dependable trip behavior is critical.\u003c\/li\u003e \u003cli\u003eReplacement for compatible Eaton panels in retrofit projects, ensuring consistent performance with existing infrastructure.\u003c\/li\u003e \u003cli\u003eUse in new installations where a compact, reliable 1-pole breaker simplifies panel design and wiring layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility, installation mindset, and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned to be compatible with matching OEM load centers and panelboards, ensuring a straightforward, reliable fit during installation or replacement.\u003c\/li\u003e \u003cli\u003eEnsure the breaker’s 277V single-pole configuration aligns with your circuit’s supply and load requirements for safe, code-compliant protection.\u003c\/li\u003e \u003cli\u003ePair with appropriate conductors and devices in the same panel family to maintain consistent electrical performance and trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're upgrading an existing Eaton system or wiring a new commercial or light industrial panel, the Eaton GHQRD1020 delivers precise protection, space efficiency, and dependable operation. Trust AmpState to provide the right 1-pole 20A, 277V solution for your panelboard needs, backed by Eaton’s engineering and a track record of reliable electrical protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349592133794,"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_8996f860-3a50-4e76-99b0-06fdd92c25c5.png?v=1764150668","url":"https:\/\/www.ampstate.com\/products\/eaton-ghqrd1020-20a-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}