{"product_id":"eaton-qcr2045-45a-240v-2-pole-circuit-breaker","title":"Eaton QCR2045 - 45 A, 240 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton \u003cstrong\u003eQCR2045\u003c\/strong\u003e — a 45A, 240V, 2-pole molded case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact, molded-case design maximizes panel space while delivering precise protection for a wide range of electrical installations.\u003c\/p\u003e \u003ch2\u003eSmart protection you can trust\u003c\/h2\u003e\n\u003cp\u003eThe QCR2045 uses a \u003cstrong\u003ethermal-magnetic trip unit\u003c\/strong\u003e to provide stable, repeatable protection. The thermal element reacts to sustained overloads, while the magnetic element delivers a fast response to high-current short circuits. This combination reduces nuisance trips on normal inrush loads and ensures rapid disconnection when faults occur, helping safeguard wiring, devices, and occupants.\u003c\/p\u003e \u003ch2\u003eKey features that set it apart\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e saves panel space and simplifies installation in cramped or crowded panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip\u003c\/strong\u003e for reliable protection with predictable trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 240V\u003c\/strong\u003e configuration suitable for typical multiwire circuits and 2-wire plus neutral layouts in many panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e45A rating\u003c\/strong\u003e provides robust protection for branch circuits feeding equipment, outlets, or lighting loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to pair with matching Eaton OEM loadcenters and panelboards for a seamless, consistent protection system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging or undersized breakers in residential panels to improve protection and safety for branch circuits.\u003c\/li\u003e \u003cli\u003eInstalling in new or retrofit panelboards where space is at a premium without compromising protection.\u003c\/li\u003e \u003cli\u003eProviding reliable protection for commercial lighting, outlets, or equipment in light industrial environments.\u003c\/li\u003e \u003cli\u003eReplacing damaged or worn breakers while maintaining compatibility with Eaton’s panel ecosystems for consistent trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker matters in your electrical system\u003c\/h2\u003e\n\u003cp\u003eChoosing the QCR2045 means prioritizing \u003cstrong\u003ereliable protection\u003c\/strong\u003e that aligns with your panel design. The 2-pole, 45A, 240V configuration is ideal for circuits that require robust protection without unnecessary downtime from nuisance trips. Its compatibility with matching OEM loadcenters and panelboards minimizes installation guesswork and helps maintain a cohesive safety strategy across your electrical infrastructure.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 QCR2045\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 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\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\u003eFor electricians, property managers, and building owners prioritizing reliable protection with efficient panel layout, the Eaton QCR2045 delivers precise trip performance, space-conscious design, and seamless compatibility within Eaton’s panel ecosystem. It’s a practical, durable choice for safeguarding electrical systems in homes, commercial spaces, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349668941986,"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_6748b0df-32fb-4ddc-99ee-ea630983bfcc.png?v=1764153298","url":"https:\/\/www.ampstate.com\/products\/eaton-qcr2045-45a-240v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}