{"product_id":"eaton-ehd3045l-45a-480v-3-pole-circuit-breaker","title":"Eaton EHD3045L - 45 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton EHD3045L is a 45A, 480V, 3-pole molded case circuit breaker engineered to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Designed with efficient panel space in mind, this breaker combines compact form with precise protection, making it a trusted choice for electrical distribution in today’s installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e frees up valuable panel space while maintaining robust protection, helping you fit more circuits into the same enclosure without compromising safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across varying loads and ambient temperatures, reducing nuisance trips and ensuring reliable shutdown when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures simultaneous disconnection of all live conductors in 3-phase systems, preserving safety and coordination in commercial and light industrial layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to be used with matching Eaton OEM load centers and panelboards, ensuring proper fit, electrical coordination, and streamlined installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where reliable 480V distribution and conductor protection are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 EHD3045L\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 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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\u003eWhy this matters in real-world installations: your panelboard or load center relies on precise fault-response and reliable protection for critical circuits. The EHD3045L’s thermal-magnetic trip mechanism reacts quickly to short circuits and favors stable operation under varying loads, helping protect wiring, equipment, and connected machinery from damage while minimizing downtime.\u003c\/p\u003e \u003ch4\u003eIdeal use cases\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eNew or replacement protection for 3-phase 480V distribution in commercial buildings, data centers, and light industrial facilities.\u003c\/li\u003e \u003cli\u003eUpgrading panelboards that require compact breakers to maximize available slots without sacrificing protection quality.\u003c\/li\u003e \u003cli\u003eRetrofits in OEM load centers where matching components ensure proper fit and coordinated trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for best results: verify panel compatibility with Eaton OEM load centers, ensure proper busbar alignment for a secure connection, and pair with appropriately rated feeders to maintain effective protection across your distribution network.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349554385058,"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_cb4d62f1-d62a-4b67-884b-fe73ad54bd4c.png?v=1764149534","url":"https:\/\/www.ampstate.com\/products\/eaton-ehd3045l-45a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}