{"product_id":"eaton-qc3055h-55a-240v-3-pole-circuit-breaker","title":"Eaton QC3055H - 55 A, 240 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton \u003cstrong\u003eQC3055H\u003c\/strong\u003e — a 55A, 240V, 3-pole molded case circuit breaker built to safeguard your panelboards and loadcenters with dependable branch circuit overcurrent and short-circuit protection. Engineered for real-world electrical needs, this breaker keeps your distribution system running smoothly where reliability matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, letting you fit more circuits without crowding the enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overloads and instantaneous short circuits, reducing nuisance trips and enhancing system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Eaton OEM loadcenters and panelboards, ensuring straightforward replacement and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical distributions where 3-pole protection at 240V is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: QC3055H\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 55A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this 3-pole breaker stands out: when you’re upgrading or replacing a panel, the QC3055H provides a factory-calibrated trip profile that aligns with Eaton’s panel configurations, helping you maintain consistent protection across all circuits. The compact form factor frees up space for future expansions, while the thermal-magnetic mechanism ensures precise tripping characteristics under varying loads and fault conditions.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include feeding 3-phase or multi-branch circuits in commercial subpanels, safeguarding residential subpanels with 240V feeders, and supporting light-industrial distribution where robust protection and panel efficiency are priorities. If you’re aligning with OEM panels or performing in-kind replacements, the QC3055H offers a reliable, tested solution that keeps equipment safe and running.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and use: verify panel compatibility with Eaton OEM loadcenters, confirm the 240V supply and 3-pole configuration matches your circuit requirements, and ensure the current rating (55A) aligns with the protected loads to prevent nuisance trips while maintaining safe protection levels.\u003c\/p\u003e \u003cp\u003eWith the Eaton QC3055H, you’re investing in precise protection, panel efficiency, and peace of mind across residential, commercial, and light industrial electrical setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349665599650,"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_9b34cc97-3ce6-4724-94d3-13ba1289853f.png?v=1764153172","url":"https:\/\/www.ampstate.com\/products\/eaton-qc3055h-55a-240v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}