{"product_id":"eaton-gmcp003a0c-3a-480v-3-pole-circuit-breaker","title":"Eaton GMCP003A0C - 3 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton GMCP003A0C is a compact, three-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. With a 3 A rating at 480 V, it delivers precise, reliable protection for three-phase distribution without hogging valuable panel space.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient design:\u003c\/strong\u003e The molded case form factor optimizes panel real estate, making it ideal for modern electrical layouts where every inch matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines thermal and magnetic sensing to deliver stable, repeatable protection across varying loads and fault conditions, reducing nuisance trips and improving coordination with other protection devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM load center compatibility:\u003c\/strong\u003e Specifically designed to pair with matching Eaton OEM load centers and panelboards, ensuring smooth installation and reliable performance when replacing or expanding existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across sectors:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial applications that require solid 3-pole protection for 3-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and why it matters\u003c\/h3\u003e\n\u003cp\u003eAs a 3 A, 3-pole device rated for 480 V, the GMCP003A0C provides essential branch circuit overcurrent and short-circuit protection. In three-phase systems, this breaker helps prevent overheating, equipment damage, and electrical fires by interrupting fault currents quickly and safely. Its compact form and precise trip characteristics make it a dependable choice for protected, scalable power distribution in panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eKey specifications\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 GMCP003A0C\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 480 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\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003ePerfect for commercial electrical rooms, light industrial panelboards, and multi-dwelling installations where three-phase distribution at 480 V is present. Use it to protect critical loads such as motors, pumps, and control circuits, or to expand existing protection schemes in OEM-compliant panel centers. Its compatibility with Eaton-matched panel infrastructure simplifies installation and future servicing.\u003c\/p\u003e \u003ch3\u003ePractical tips for optimal performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center is rated for 480 V and supports 3-pole molded case breakers of this type before installation.\u003c\/li\u003e \u003cli\u003eCoordinate protection with adjacent devices to ensure selective tripping—the thermal-magnetic design aids consistent performance across temperature variations and load profiles.\u003c\/li\u003e \u003cli\u003ePlan replacements or expansions with OEM compatibility in mind to maintain a cohesive protection scheme and streamline future maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade or outfit your distribution system with the Eaton GMCP003A0C to secure reliable, three-phase overcurrent and short-circuit protection in a compact, panel-faithful package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349592363170,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-gmcp003a0c-3-a-480-v-pole-circuit-breaker-ampstate-breakers-327.webp?v=1788688408","url":"https:\/\/www.ampstate.com\/products\/eaton-gmcp003a0c-3a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}