{"product_id":"siemens-qjh22b080-80a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QJH22B080 - 80 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJH22B080: a robust 80A, 240V, 2-pole bolt-on molded case circuit breaker built to shield your panelboards and loadcenters from overcurrent and short-circuit threats. Designed for dependable operation across residential, commercial, and light industrial environments, this breaker delivers consistent protection when it matters most—on fast-moving electrical loads and demanding duty cycles.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection that stays tight over time, reducing connection drama in panels subject to vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by reacting to both sustained overcurrent and instantaneous short-circuit conditions, helping prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e is designed to pair with matching Siemens panelboards and loadcenters for straightforward substitution and reliable coordination within the protection scheme.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile 2-pole, 80A, 240V design\u003c\/strong\u003e suits a wide range of branch circuits, from main feeds to critical subcircuits, in homes, small offices, and light industrial setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects\u003c\/h3\u003e\n\u003cp\u003eThis molded case circuit breaker guards branch circuits against overcurrent and short-circuit events. By interrupting fault conditions quickly, it helps preserve wiring insulation, safeguard connected equipment, and reduce downstream damage in electrical installations.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJH22B080\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 80A\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 \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eInstall this breaker when upgrading or expanding a panelboard or loadcenter that requires a reliable 80-amp, 240-volt two-pole protection device. It’s well-suited for circuits feeding large appliances, HVAC equipment, water heaters, subpanels, or multi-wire branch circuits where robust protection and stable trip behavior are essential.\u003c\/p\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance, verify compatibility with your OEM panelboard and confirm the bolt-on mounting is correctly seated to maintain a solid, low-resistance connection. When replacing an existing breaker, align the amperage and trip characteristics with your panel’s protective coordination strategy to ensure predictable, selective tripping across the circuit layout.\u003c\/p\u003e \u003cp\u003eReliable, purpose-built protection for 240V systems starts with the Siemens QJH22B080—a bolt-on, 2-pole solution that combines secure mounting, precise thermal-magnetic protection, and compatibility with Siemens panel ecosystems for enduring electrical safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355162136738,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_39c23a95-49e3-424d-8194-5f72030fbdba.png?v=1764689856","url":"https:\/\/www.ampstate.com\/products\/siemens-qjh22b080-80a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}