{"product_id":"eaton-bq240220-circuit-breaker","title":"Eaton | BQ240220 | Circuit Breaker | 40A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton BQ240220 40A 4-Pole 240V Circuit Breaker\u003c\/strong\u003e is engineered for dependable overcurrent protection in retrofit, maintenance, and replacement projects where exact specs matter. This genuine Eaton component is designed to fit panels that accept the BQ-series breakers, delivering safe, reliable shutoff across all conductors in a 240V system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BQ240220\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e maintenance, retrofit, and replacement needs where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose a 4-pole configuration? In 240V and multi-wire setups, a 4-pole breaker provides simultaneous disconnection of all live conductors, enhancing safety for service technicians and reducing the risk of arc exposure during maintenance. The BQ240220 is built to deliver consistent protection in demanding environments, helping to safeguard equipment and keep critical loads online when you need it most.\u003c\/p\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in commercial or industrial panels that accept BQ-series breakers\u003c\/li\u003e \u003cli\u003eReplacement for aging or failed breakers in 240V multi-wire circuits\u003c\/li\u003e \u003cli\u003eProtection for 3-phase or multi-wire equipment where complete isolation is essential\u003c\/li\u003e \u003cli\u003eField upgrades in electrical rooms, data centers, or manufacturing spaces requiring reliable 40A protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e The part number BQ240220 is the best reference for ensuring a proper fit and ratings. Before ordering, verify that your panel accepts BQ-series breakers and that 40A, 4-pole, 240V specifications match your installation requirements.\u003c\/p\u003e \u003cp\u003eInstallation and safety guidance: Have a licensed electrician perform any replacement or retrofit. Always de-energize the panel and follow local electrical codes. Use genuine Eaton replacement parts to maintain system integrity and warranty coverage.\u003c\/p\u003e \u003cp\u003eWith the Eaton BQ240220, you get a purpose-built, durable solution for precise overcurrent protection in modern electrical systems — a dependable choice for technicians who demand accuracy, reliability, and safety in every disconnect.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46424514986146,"sku":"BQ240220","price":153.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/eaton-bq240220-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}