{"product_id":"eaton-hmcp400d5c-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400D5C - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton \u003cstrong\u003eHMCP400D5C\u003c\/strong\u003e is a 400A, 600V, 3-pole molded case circuit breaker engineered to protect critical branch circuits in panelboards and load centers. Its compact molded-case design makes the most of limited panel space, while the thermal-magnetic trip unit delivers stable, repeatable protection against both overcurrent and short circuits.\u003c\/p\u003e \u003cp\u003eDesigned for versatility, this breaker works across residential, commercial, and light industrial applications. The 3-pole configuration supports three-phase circuits, making it an ideal main or feeder protective device in modern electrical systems. When paired with matching OEM load centers and panelboards, it provides a clean, reliable upgrade path or replacement option that maintains original performance characteristics.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 400 A of continuous protection for large feeders and distribution paths\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V, suitable for common commercial and light industrial power networks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-pole configuration for three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker, delivering coordinated protection with predictable trip curves\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Compact form factor optimizes panel space and simplifies installation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Specifically designed to be used with matching OEM load centers and panelboards for reliable fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSpace-efficient protection in crowded enclosures without compromising current carrying capacity or response time\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit provides accurate overload protection and fast short-circuit interruption, reducing gear wear and downtime\u003c\/li\u003e \u003cli\u003e OEM-compatible design means straightforward replacement or upgrade within Eaton and compatible panelboard ecosystems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the HMCP400D5C to guard large feeder circuits and branch circuits in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels that require robust 3-phase protection for larger electrical loads\u003c\/li\u003e \u003cli\u003eCommercial panelboards in offices, retail spaces, and light industrial facilities\u003c\/li\u003e \u003cli\u003eSubpanels and main distribution panels where space is at a premium but protection needs are high\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3 installation and compatibility notes\u003e\n\u003c\/h3\u003e\n\u003cp\u003eChoose the HMCP400D5C when you need a reliable, high-current, 3-pole solution that aligns with Eaton panelboard ecosystems. Ensure proper alignment with the panelboard’s bus configuration and follow standard electrical practices and NEC guidelines during installation. This unit is designed to work as a direct replacement or upgrade within compatible Eaton and OEM panelboard systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349610483874,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp400d5c-400-a-600-v-3-pole-circuit-breaker-ampstate-970.webp?v=1788691531","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400d5c-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}