{"product_id":"eaton-hmcp003a0-3a-600v-3-pole-circuit-breaker","title":"Eaton HMCP003A0 - 3 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton HMCP003A0 — a compact 3 A, 600 V, 3‑pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers.\u003c\/p\u003e\n\u003cp\u003eIts compact molded case design optimizes panel space, freeing room for additional circuits without sacrificing safety or performance. The thermal‑magnetic trip unit delivers stable, repeatable protection: the thermal element handles sustained overloads, while the magnetic element provides a fast response during short circuits, reducing the risk of equipment damage and downtime.\u003c\/p\u003e\n\u003cp\u003eBuilt for straightforward compatibility, the HMCP003A0 is designed to work with matching Eaton OEM load centers and panelboards, making replacement and system upgrades smoother for technicians and contractors alike.\u003c\/p\u003e\n\u003cp\u003eIdeal for residential, commercial, and light industrial applications, this 3‑pole breaker is suited for three‑phase distribution and multi‑wire circuits where 3 A at up to 600 V protection is required. Use it in panelboards that demand reliable, space‑efficient protection for sensitive loads and small equipment circuits.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design:\u003c\/strong\u003e Maximizes panel space and simplifies installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit:\u003c\/strong\u003e Delivers stable overload protection with fast short‑circuit response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole configuration:\u003c\/strong\u003e Suitable for three‑phase circuits and multi‑wire panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating:\u003c\/strong\u003e Supports equipment and distribution circuits common in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3 A rating:\u003c\/strong\u003e Provides precise protection for sensitive control loads and small equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Designed to work with matching Eaton load centers and panelboards for reliable integration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\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 HMCP003A0\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 3 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 \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and load centers in commercial facilities and light industrial environments\u003c\/li\u003e \u003cli\u003eThree‑phase distribution or multi‑wire circuits requiring 3 A protection at up to 600 V\u003c\/li\u003e \u003cli\u003eReplacement or upgrade for compatible Eaton OEM breakers within supported panel assemblies\u003c\/li\u003e \u003cli\u003eControl panels and equipment enclosures where compact, reliable protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that the HMCP003A0 matches your panelboard’s OEM specification and form factor before installation.\u003c\/li\u003e \u003cli\u003eEnsure proper alignment and secure mounting within the panel enclosure to maintain reliable trip performance.\u003c\/li\u003e \u003cli\u003eLabel circuits clearly and perform a functional test after installation to confirm correct operation.\u003c\/li\u003e \u003cli\u003eFollow general electrical safety practices and applicable codes when servicing or replacing breakers in existing panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349606715554,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_573fcc58-4a2c-4169-b318-a8deb7a34813.png?v=1764151105","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp003a0-3a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}