{"product_id":"eaton-hmcp400r5x-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400R5X - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HMCP400R5X\u003c\/strong\u003e is a robust 400 A, 600 V, 3-pole molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built with a focus on space efficiency and dependable performance, this unit helps safeguard electrical systems across residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cp\u003eKey advantages of the HMCP400R5X:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e frees panel space while delivering full protection for demanding circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overcurrent and short-circuit events, reducing nuisance trips and ensuring consistent operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e for balanced protection across all phases in three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A rating at 600 V\u003c\/strong\u003e offers high-current capability suitable for main or sub-feed protection in larger panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM loadcenter compatibility\u003c\/strong\u003e designed to integrate seamlessly with matching Eaton loadcenters and panelboards for streamlined installation and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial circuits that require strong protection without sacrificing space or performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the HMCP400R5X is purpose-built to align with Eaton’s OEM panel ecosystems, ensuring precise trip characteristics and dependable coordination with other protection devices. The molded case design translates to rugged durability in challenging environments, while the thermal-magnetic mechanism delivers fast, predictable responses when faults occur. This combination makes it well-suited for main feeders, branch circuits, and critical loads where reliability is non-negotiable.\u003c\/p\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading an aging panel to meet current protection standards in a mid-size home or commercial space.\u003c\/li\u003e \u003cli\u003eProviding branch circuit protection for heavy-demand equipment in light industrial setups, such as small manufacturing or workshop environments.\u003c\/li\u003e \u003cli\u003eInstalling alongside compatible OEM loadcenters to ensure coherent protection strategies across multiple panels.\u003c\/li\u003e \u003cli\u003eReplacing failing or undersized breakers that risk nuisance trips or insufficient protection during fault events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications 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 HMCP400R5X\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 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to consider during installation and use\u003c\/h3\u003e\n\u003cp\u003eEnsure compatibility with the specific OEM panelboard or load center and follow manufacturer installation guidelines. The HMCP400R5X is designed to deliver reliable protection in crowded electrical environments, so verify that the panel’s rating and bus configuration align with a 3-pole, 400 A, 600 V device. Regular inspection and torque checks on connections help maintain optimal performance and longevity of the protection system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349611925666,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp400r5x-400-a-600-v-3-pole-circuit-breaker-ampstate-662.webp?v=1788691861","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400r5x-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}