{"product_id":"siemens-qjh22b110-circuit-breaker","title":"Siemens | QJH22B110 | Circuit Breaker | 110A | 2-Pole | 240V | 22kA","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens QJH22B110\u003c\/strong\u003e is a purpose-built, two-pole circuit breaker designed to deliver dependable overcurrent protection in electrical panels. With a 110A rating and a 240V operating range, it provides robust protection for critical circuits while safely interrupting fault currents up to 22kA.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 110A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 22kA\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes this breaker stand out\u003c\/h2\u003e\n\u003cp\u003eUnlike generic replacements, the \u003cstrong\u003eQJH22B110\u003c\/strong\u003e is built to integrate seamlessly with Siemens panels and compatible enclosures. Its 2-pole design ensures simultaneous protection for both live conductors, which is essential for safely shutting down multi-wire branch circuits. The 110A rating targets mid-range loads often found in commercial spaces and higher-demand residential setups, while the 22kA interrupting capacity provides a generous margin for fault conditions.\u003c\/p\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: swap-in replacement for aging or tripped breakers that require the same specifications.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade panel protection to modern, reliable Siemens components without changing the overall panel layout.\u003c\/li\u003e \u003cli\u003eReplacement: restore protective coordination in systems that rely on precise 2-pole, 240V protection for multi-wire circuits.\u003c\/li\u003e \u003cli\u003eNew installations: appropriate for branches and feeders that demand solid 110A protection with high fault current handling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and shopping guidance\u003c\/h2\u003e\n\u003cp\u003eFor the best results, \u003cstrong\u003everify fit and ratings before ordering\u003c\/strong\u003e. The part number \u003cstrong\u003eQJH22B110\u003c\/strong\u003e is the most reliable reference to ensure compatibility with your Siemens panel or enclosure. If you’re replacing an existing breaker, matching the exact amperage, pole count, voltage, and interrupting capacity is key to preserving protection coordination and warranty terms.\u003c\/p\u003e \u003ch2\u003eInstallation considerations and safety\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eTurn off the main power and verify there is no voltage present before removing or installing the breaker.\u003c\/li\u003e \u003cli\u003eEnsure conductors are correctly sized and terminated according to local electrical codes and the panel manufacturer’s guidelines.\u003c\/li\u003e \u003cli\u003eIf in doubt, consult a licensed electrician to confirm panel compatibility and proper installation practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits you’ll notice in daily use\u003c\/h2\u003e\n\u003cp\u003eWith its Siemens engineering, the QJH22B110 delivers reliable tripping performance when circuits experience overloads or short circuits, helping prevent damage to electrical devices, wiring, and downstream equipment. Its two-pole design simplifies wiring and protection for 120\/240V systems commonly found in mixed-use spaces, making it a practical, long-term component for maintaining electrical integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424792727714,"sku":"QJH22B110","price":2098.0,"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\/siemens-qjh22b110-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}