{"product_id":"commander-qbh240-40a-240v-2-pole-bolt-on-circuit-breaker","title":"Commander QBH240 - 40 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Commander QBH240 40A, 240V, 2-pole bolt-on molded case circuit breaker is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to perform in real-world electrical environments, this breaker combines robust construction with precise trip mechanisms for stable protection when it matters most.\u003c\/p\u003e \u003ch2\u003eWhy the QBH240 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays put through normal operation and equipment vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across a range of conditions, responding quickly to short circuits while avoiding nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e engineered to pair with matching OEM load centers and panelboards for straightforward replacements and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, offering flexibility across project scopes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated 2-pole breaker in existing panelboards to restore circuit protection.\u003c\/li\u003e \u003cli\u003eUpgrading a feeder or branch circuit that requires a solid 40A, 240V protection solution.\u003c\/li\u003e \u003cli\u003eNew installations where a dependable, bolt-on molded case breaker is preferred for long-term reliability and easy serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Commander\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QBH240\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 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\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 \u003cp\u003eWith the Commander QBH240, you’re choosing a dependable, field-tested solution that helps keep electrical systems safe, compliant, and ready to perform. Its precise thermal-magnetic protection, secure mounting, and OEM-compatible design translate into fewer service calls, faster installations, and peace of mind in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349483278498,"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_b25f8889-887b-424d-bdb3-1eb455663414.png?v=1764147892","url":"https:\/\/www.ampstate.com\/products\/commander-qbh240-40a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}