{"product_id":"eaton-hmcp400w5c-400a-600v-3-pole-circuit-breaker","title":"Eaton HMCP400W5C - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton HMCP400W5C — a rugged, high-capacity 3-pole molded case circuit breaker designed to protect your critical electrical infrastructure. With a 400 A rating and a 600 V maximum, this device provides reliable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters, ensuring your distribution system stays safe and up-and-running.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eWhy the HMCP400W5C stands out\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e conserves panel space while delivering robust protection, making it ideal for crowded or retrofit panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection—responding to both overloads and short circuits with predictable coordination for easier system planning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to pair with matching OEM loadcenters and panelboards for straightforward installation and reliable interoperability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, delivering consistent performance across varied environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eWhere you’ll use it\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew panelboard installations in homes, office buildings, retail spaces, and light industrial facilities\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in existing electrical distributions where dependable overcurrent protection is required\u003c\/li\u003e \u003cli\u003eDistribution to protect key branch circuits from overloads and fault currents with a three-pole configuration for 3-phase systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003ePerformance in practical terms\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith the HMCP400W5C, you gain predictable protection that minimizes nuisance trips while providing fast fault detection. The three-pole architecture supports balanced three-phase distribution, helping to maintain stable voltages across all phases. Its molded case construction is engineered for durability in daily service, reducing maintenance and replacement costs over time.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/h2\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: HMCP400W5C\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 loadcenters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eHow this helps your system\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eChoosing the Eaton HMCP400W5C means prioritizing safety, reliability, and compatibility. It reduces downtime by delivering dependable fault protection, simplifies stocking and maintenance through OEM-friendly design, and optimizes space in compact electrical panels. Whether you’re safeguarding a residential subpanel, a commercial distribution center, or light industrial equipment, this breaker delivers clear, measurable value in real-world scenarios.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eTips for best results\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify your panelboard or loadcenter is compatible with HMCP-series breakers to ensure reliable operation and coordinated protection.\u003c\/li\u003e \u003cli\u003ePlan for three-phase distribution needs where a 3-pole breaker is the appropriate choice to balance loads.\u003c\/li\u003e \u003cli\u003eKeep spare units on hand for faster replacements during scheduled maintenance or unexpected faults to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349612056738,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp400w5c-400-a-600-v-3-pole-circuit-breaker-ampstate-476.webp?v=1788691887","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400w5c-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}