{"product_id":"eaton-bab2040-40a-240v-2-pole-bolt-on-circuit-breaker","title":"Eaton BAB2040 - 40 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton BAB2040 is a 40A, 240V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its robust construction and precise engineering make it a dependable choice for demanding electrical configurations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: Delivers a rigid, vibration-resistant bus connection that helps prevent loose connections and arcing in environments with vibrations or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Provides stable, repeatable protection by combining thermal overload protection with magnetic short-circuit protection, reducing nuisance trips and safeguarding circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Designed to work with matching OEM load centers and panelboards, ensuring a seamless, code-compliant installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial settings where a reliable 240V, 2-pole solution is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: BAB2040\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\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing a failed 240V breaker in residential panelboards powering heavy appliances like electric water heaters, air conditioners, or electric ranges.\u003c\/li\u003e \u003cli\u003eCommercial panels requiring a reliable 40A, 240V, two-pole protection for equipment such as refrigeration units, compressors, or large lighting setups.\u003c\/li\u003e \u003cli\u003eLight industrial installations where vibration resistance and secure bus connections improve long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat sets it apart from other breakers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe combination of bolt-on mounting, a vibration-resistant bus connection, and a thermal-magnetic trip makes the BAB2040 a durable, long-lasting choice for panel installations where stability and protection matter most. Its OEM-compatible design means you can trust a straightforward swap in compatible loadcenters, minimizing downtime and maximizing circuit safety without compromising performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm your panelboard accepts bolt-on, 2-pole breakers of this rating and style before installation.\u003c\/li\u003e \u003cli\u003ePower must be fully shut off before servicing; follow panelboard manufacturer guidelines for wiring and securing the breaker.\u003c\/li\u003e \u003cli\u003eEnsure conductor sizes and insulation are appropriate for a 240V, 40A circuit and that grounding and bonding practices meet local codes.\u003c\/li\u003e \u003cli\u003eUse this breaker where stable, repeatable protection against both overloads and short circuits is essential, especially in environments with moderate vibration or equipment start-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349489569954,"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_33b509d0-6c21-4370-b0b4-567aebd42e9a.png?v=1764148055","url":"https:\/\/www.ampstate.com\/products\/eaton-bab2040-40a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}