{"product_id":"eaton-hmcp400y5c-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400Y5C - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HMCP400Y5C\u003c\/strong\u003e — a 400 A, 600 V, 3-pole molded case circuit breaker built for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003eKey reasons to choose this model:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e minimizes footprint in crowded panel spaces, making it easier to fit high-current protection without sacrificing room for other devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection as temperatures swing and loads vary, reducing nuisance trips and ensuring consistent circuit safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to work with matching OEM loadcenters and panelboards for straightforward replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations requiring reliable 400 A protection at up to 600 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e — HMCP400Y5C, type: Thermal-magnetic molded case circuit breaker; amperage rating: 400 A; voltage rating: 600 V; number of poles: 3; purpose: branch circuit overcurrent and short-circuit protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectricians upgrading service panels or loadcenters who need a high-current, compact solution without expanding panel space.\u003c\/li\u003e \u003cli\u003eFacility managers maintaining commercial spaces with three-phase or multi-wire branch circuits.\u003c\/li\u003e \u003cli\u003eLight industrial operators seeking dependable protection for feeders and critical circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWhen integrating, verify panelboard compatibility with the OEM enclosure family to ensure seamless fit and proper trip coordination.\u003c\/li\u003e \u003cli\u003eCoordinate with conductor ampacity and protective device requirements in your electrical design to protect both wiring and equipment.\u003c\/li\u003e \u003cli\u003eUse as a main breaker or as a heavy-duty feeder in appropriate panelboards to achieve optimized protection and ease of maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Eaton’s trusted protection platform and AmpState’s availability, the HMCP400Y5C delivers robust short-circuit defense and dependable overcurrent protection for your electrical installations, all while respecting panel space and installation efficiency.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349612515490,"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_5dc17687-a005-42b6-b1f6-a22aa3fa59bc.png?v=1764151328","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400y5c-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}