{"product_id":"eaton-hmcp400n5w-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400N5W - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HMCP400N5W\u003c\/strong\u003e is a rugged 400 A, 600 V, 3-pole molded case circuit breaker engineered to safeguard your electrical distribution with precision. Designed for dependable branch-circuit overcurrent and short-circuit protection, it integrates seamlessly into panelboards and load centers, delivering reliable performance where it matters most.\u003c\/p\u003e \u003ch3\u003eKey reasons to choose the HMCP400N5W\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space and simplifies installation, making it an ideal fit for both retrofit projects and new panel builds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overloads and rapid response to short circuits, helping protect downstream devices and wiring from damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole construction\u003c\/strong\u003e supports three-phase systems, which are common in commercial and light industrial environments, ensuring proper coordination and fault clearance across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Eaton load centers and panelboards, designed to work together for streamlined replacement and upgrade paths.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings, providing a unified protection solution across multiple environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 400 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from the HMCP400N5W\u003c\/h3\u003e\n\u003cp\u003eBuilding owners, facilities managers, and electrical installers who need dependable protection for main and branch circuits will appreciate the HMCP400N5W. It’s particularly well-suited for panel upgrades, system expansions, or new installations where space efficiency and reliable, trip-controlled protection are priorities.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a panelboard in a small commercial space with a 3-phase electrical load.\u003c\/li\u003e \u003cli\u003eInstalling a compact, space-saving protection device in retrofit projects where panel footprint is at a premium.\u003c\/li\u003e \u003cli\u003eProviding robust back-up protection in light industrial distributions sharing multiple downstream feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility considerations\u003c\/h3\u003e\n\u003cp\u003eChoose the HMCP400N5W when your panelboard or load center is designed to accept molded-case, three-pole breakers of matching OEM specifications. Ensure alignment with the panel’s labeling and electrical codes for overcurrent protection. This unit is built to integrate with Eaton’s line of load centers, offering a cohesive and dependable protection solution across compatible systems.\u003c\/p\u003e \u003cp\u003eWith the Eaton HMCP400N5W, you gain a precise, space-efficient, and reliable means of protecting critical electrical infrastructure. It’s a practical choice for ensuring continuity of service and safeguarding equipment in both new installations and upgrades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349611696290,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp400n5w-400-a-600-v-3-pole-circuit-breaker-ampstate-938.webp?v=1788691807","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400n5w-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}