{"product_id":"eaton-hmcp400g5x-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400G5X - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton HMCP400G5X—a 400 A, 600 V, 3-pole molded‑case circuit breaker designed to deliver dependable branch circuit protection for panelboards and loadcenters. Built to handle demanding loads, this breaker combines compact form factor with robust protection for three‑phase systems, making it a smart choice for modern electrical installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space, enabling cleaner, easier layouts in both new builds and retrofit projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a range of fault conditions, helping prevent nuisance trips while still delivering fast short‑circuit interruption when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 600 V, 3‑pole configuration\u003c\/strong\u003e ideal for three‑phase branch circuits and higher current feeders, supporting residential, commercial, and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work with matching Eaton loadcenters and panelboards, ensuring seamless integration and reliable coordination with existing protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtection you can trust\u003c\/strong\u003e focused on preventing damage from overcurrents and short circuits in critical distribution points—panels, feeders, and service equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy professionals choose the HMCP400G5X\u003c\/h3\u003e\n\u003cp\u003eFor electricians and facilities managers, this breaker offers a precise balance of capacity and control. Its 400 A rating supports sizable feeders without requiring multiple devices, while the 600 V rating gives you flexibility across commercial and light industrial environments. The compact profile helps you fit into tight panel enclosures, reducing installation complexity and helping maintain orderly wiring aisles. When safety and reliability are non‑negotiable, the HMCP400G5X provides a dependable shield against overcurrent and short circuits for essential electrical systems.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew panel installations in commercial spaces and light industrial facilities requiring sturdy three‑phase protection\u003c\/li\u003e \u003cli\u003eRetrofits or uprates in existing panelboards and loadcenters needing high‑current three‑pole protection\u003c\/li\u003e \u003cli\u003eService panels and main distribution locations where OEM compatibility simplifies ongoing maintenance\u003c\/li\u003e \u003cli\u003eAny application demanding precise thermal‑magnetic protection to minimize downtime and protect downstream equipment\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 HMCP400G5X\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\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the HMCP400G5X for a proven combination of high current capacity, reliable protection, and panel‑friendly integration. It’s designed to keep your electrical distribution resilient, organized, and ready to support the demands of modern loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349610975394,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp400g5x-400-a-600-v-3-pole-circuit-breaker-ampstate-497.webp?v=1788691643","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400g5x-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}