{"product_id":"eaton-qbhw3045h-45a-240v-3-pole-bolt-on-circuit-breaker","title":"Eaton QBHW3045H - 45 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton QBHW3045H — a 45A, 240V, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durability and reliable performance, it’s the right choice when you need solid protection that stands up to real-world use in homes, businesses, and light industrial settings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that stays firmly in place, even in installations subject to movement or equipment vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise thermal protection with fast magnetic trip action for repeatable protection against overloads and sudden short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design:\u003c\/strong\u003e engineered to pair with matching Eaton OEM loadcenters and panelboards, simplifying upgrades, replacements, and service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e ideal for residential panel upgrades, commercial distribution, and light industrial electrical loads that require reliable 3-pole protection at 45A and 240V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: A dedicated 45A, 240V three-pole breaker provides targeted protection for multi-branch circuits or three-phase distribution scenarios in a single device, helping protect downstream equipment and reduce the risk of fire or equipment damage.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho it’s for\u003c\/strong\u003e: electricians, facilities managers, and maintenance teams installing or upgrading panelboards and loadcenters who need a bolt-on solution with stable, predictable trip performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: QBHW3045H\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 45A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\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\u003ePractical use cases\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrading a residential service panel to provide reliable protection for multiple circuits or to feed a subpanel with a 45A, 240V protection device.\u003c\/li\u003e \u003cli\u003eReplacing an aging breaker in a commercial panelboard where a secure bolt-on connection minimizes vibration and wear over time.\u003c\/li\u003e \u003cli\u003eInstalling in light industrial distributions to guard motors, heaters, and other high-current loads with consistent thermal-magnetic protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Eaton QBHW3045H, you gain a dependable, easy-to-install solution that delivers precise protection characteristics, a rugged connection, and compatibility with Eaton’s panelboard ecosystem — helping you keep power distribution safe, compliant, and ready for the next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349663699106,"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_05763ad0-9f6c-4003-a419-c61e36f85ff2.png?v=1764153091","url":"https:\/\/www.ampstate.com\/products\/eaton-qbhw3045h-45a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}