{"product_id":"eaton-qc3090h-90a-4v-3-pole-circuit-breaker","title":"Eaton QC3090H - 90 A, 4 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton QC3090H — a 90A, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact form factor frees up precious panel space while delivering robust protection where it matters most.\u003c\/p\u003e \u003cp\u003eAt the heart of the QC3090H is a thermal-magnetic trip unit. The thermal element provides stable overload protection with repeatable trip characteristics, while the magnetic element responds rapidly to short circuits, helping to minimize damage and downtime. This combination ensures reliable, predictable protection across a range of loads and conditions.\u003c\/p\u003e \u003cp\u003eDesigned for compatibility with matching OEM loadcenters and panelboards, the QC3090H is a dependable replacement or upgrade for Eaton systems and other compatible OEM configurations. Whether you’re wiring a home, a small business, or light industrial equipment, this 3-pole breaker delivers solid protection without unnecessary complexity.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e optimizes panel space, easing wiring and serviceability in tight installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e suited for protecting three-wire or three-phase circuits commonly found in panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e90 A amperage rating\u003c\/strong\u003e offers strong protection for medium-load circuits in residential, commercial, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e engineered to fit matching Eaton OEM loadcenters and panelboards for straightforward replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication focus\u003c\/strong\u003e reliable branch circuit overcurrent and short-circuit protection to prevent nuisance trips and electrical faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: QC3090H\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 90A\u003c\/li\u003e \u003cli\u003eVoltage rating: 4V\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit protection for overcurrent and short circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for upgrading crowded panels, protecting commercial lighting and HVAC circuits, or safeguarding small industrial equipment, the QC3090H provides precise, reliable protection in a compact footprint. Its compatibility with OEM loadcenters simplifies installation and enhances system safety, making it a practical choice for professional electrical projects.\u003c\/p\u003e \u003cp\u003ePro tips: confirm panelboard compatibility with your specific model, adhere to manufacturer torque recommendations for terminals, and always follow proper lockout\/tagout procedures during installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349665763490,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-qc3090h-90-a-4-v-3-pole-circuit-breaker-ampstate-breakers-211.webp?v=1788705567","url":"https:\/\/www.ampstate.com\/products\/eaton-qc3090h-90a-4v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}