{"product_id":"eaton-qcr2040-40a-240v-2-pole-circuit-breaker","title":"Eaton QCR2040 - 40 A, 240 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton QCR2040 — a 40A, 240V, 2-pole molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers.\u003c\/p\u003e\n\u003cp\u003eEngineered for reliability in residential, commercial, and light industrial settings, this unit uses a thermal-magnetic trip mechanism to provide stable, repeatable protection across a range of temperatures and load conditions. It detects overcurrent and short-circuit events quickly, helping to prevent wiring damage and equipment downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e saves panel space and simplifies distribution layouts for tighter electrical panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers precise, repeatable tripping behavior for consistent protection in real-world conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40A, 240V, 2-pole configuration\u003c\/strong\u003e is ideal for 240V circuits such as motors, HVAC equipment, and large appliances.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-friendly compatibility\u003c\/strong\u003e designed to fit matching Eaton panelboards and other OEM load centers that accept this style.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, space-efficient protection\u003c\/strong\u003e supports expansion and upgrades without adding bulky hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eApplications and use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential panels powering heat pumps, water heaters, and multi-wire branch circuits\u003c\/li\u003e \u003cli\u003eCommercial panels supporting lighting, receptacle banks, and small motor loads\u003c\/li\u003e \u003cli\u003eLight-industrial panels guarding equipment where reliable overcurrent and short-circuit protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSpace-efficient design that helps maximize panel capacity without compromising protection.\u003c\/li\u003e \u003cli\u003eConsistent trip performance across varying load profiles, reducing nuisance trips and downtime.\u003c\/li\u003e \u003cli\u003eTrusted Eaton build quality and long history of reliable electrical protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: QCR2040\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349668909218,"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_2195db64-c33a-48fb-a284-79719658085d.png?v=1764153295","url":"https:\/\/www.ampstate.com\/products\/eaton-qcr2040-40a-240v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}