{"product_id":"eaton-qc2040-40a-240v-2-pole-circuit-breaker","title":"Eaton QC2040 - 40 A, 240 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton QC2040 is a 40 A, 240 V, 2-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection right in your panelboards and loadcenters. Its compact form saves valuable space, making it a practical choice when panel real estate is at a premium while still providing solid protection for your electrical circuits.\u003c\/p\u003e \u003ch3\u003eKey features that matter in the real world\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space without sacrificing protection or reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance for both sustained overloads and sudden short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built to work seamlessly with matching Eaton OEM loadcenters and panelboards, facilitating straightforward installation and replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for \u003cem\u003eresidential, commercial, and light industrial\u003c\/em\u003e environments that require reliable, quick-protection solutions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\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 QC2040\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 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\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 \u003ch3\u003eWhy this breaker is a smart choice\u003c\/h3\u003e\n\u003cp\u003eChoosing the QC2040 means pairing your panel with a breaker designed to perform consistently under real-world conditions. The thermal-magnetic trip mechanism reacts to overloads with a controlled, predictable response while rapidly acting on short circuits to minimize damage and electrical disturbance. The 2-pole design is ideal for 240 V circuits and multi-wire branch circuits that require simultaneous disconnection of both hot conductors, enhancing safety and code compliance.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed breaker in existing Eaton panels and loadcenters without compatibility concerns.\u003c\/li\u003e \u003cli\u003eAdding or upgrading branch circuits in residential basements, garages, or home offices where space efficiency matters.\u003c\/li\u003e \u003cli\u003eLight commercial installations that demand dependable, easy-to-service protection for 240 V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Eaton QC2040, you get a purpose-built, space-conscious solution that aligns with Eaton’s panelboard ecosystems while delivering dependable protection for everyday electrical needs. This is a practical, reliable choice for electricians and DIYers who value compatibility, precise protection, and streamlined panel design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349664944290,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-qc2040-40-a-240-v-2-pole-circuit-breaker-ampstate-breakers-102.webp?v=1788705378","url":"https:\/\/www.ampstate.com\/products\/eaton-qc2040-40a-240v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}