{"product_id":"eaton-hmcp400k5c-400a-3p-600v-circuit-breaker","title":"Eaton HMCP400K5C 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HMCP400K5C is a purpose-built circuit breaker engineered for reliable overcurrent protection in panelboards, load centers, and electrical distribution systems. Designed for three-phase applications, this 400 A, 3-pole device delivers solid performance in demanding environments where precise protection and quick, predictable tripping are critical. When your operation relies on clean, consistent power delivery, choosing the exact part number matters—and HMCP400K5C is a direct-fit match for Eaton-compatible panels and distribution equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HMCP400K5C\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker a smart pick\u003c\/h3\u003e\n\u003cp\u003eFor maintenance teams, panel builders, and stockrooms, having the exact part-number match simplifies ordering, reduces replacement downtime, and keeps electrical systems running smoothly. The HMCP400K5C is specifically selected when a direct Eaton part is required, ensuring compatibility with Eaton panelboards and load centers and avoiding the risks of mismatched substitutes.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial and commercial panelboards where 400 A protection is needed for a three-phase circuit.\u003c\/li\u003e \u003cli\u003eLoad centers in manufacturing facilities, data centers, and large commercial offices that operate on 600 V systems.\u003c\/li\u003e \u003cli\u003eSpare inventory for service fleets and maintenance teams that standardize on Eaton components for faster, more predictable replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits in practice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect part-number compatibility minimizes installation guesswork and helps ensure correct fit and performance in Eaton-specific assemblies.\u003c\/li\u003e \u003cli\u003eRobust three-pole design supports balanced protection across three-phase systems, contributing to safer, more reliable electrical distribution.\u003c\/li\u003e \u003cli\u003eBy stocking the HMCP400K5C, facilities can streamline maintenance workflows, reduce downtime, and improve uptime metrics for critical infrastructure.\u003c\/li\u003e \u003cli\u003eAmpState availability provides a straightforward procurement path, helping you secure the exact Eaton breaker you need without hunting through generic substitutes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this compares to alternatives\u003c\/h3\u003e\n\u003cp\u003eWhile many breakers offer similar amperage and voltage ratings, the HMCP400K5C is a genuine Eaton part built to integrate seamlessly with Eaton’s distribution equipment. This alignment minimizes compatibility concerns, supports standardized installation practices, and helps ensure that protective coordination remains consistent with your existing protection schemes. If your project or service plan specifies an Eaton HMCP series component, this part is purpose-built to fulfill that requirement.\u003c\/p\u003e \u003ch3\u003ePractical tips for selection and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center requires an HMCP400K5C with a 3-pole, 400 A, 600 V rating before ordering.\u003c\/li\u003e \u003cli\u003eKeep a dedicated spare for critical systems to shrink downtime during maintenance or unexpected outages.\u003c\/li\u003e \u003cli\u003eWhen receiving the part, check labeling and packaging to confirm it matches HMCP400K5C and that the stock is from a reputable source like AmpState.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about compatibility, message AmpState for assistance with fit confirmation—they offer guidance to ensure correct match for your Eaton distribution equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to secure a precise fit for your Eaton panel system? The Eaton HMCP400K5C 400 A, 3-pole, 600 V circuit breaker is available from AmpState, designed to support reliable protection and straightforward integration in your electrical distribution setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410983735458,"sku":"HMCP400K5C","price":8713.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp400k5c-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}