{"product_id":"cutler-hammer-qob250-bolt-on-circuit-breaker-50a-2p-240v","title":"Cutler Hammer QOB250 Bolt-on Circuit Breaker 50A 2P 240V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CUTLER HAMMER QOB250 is a 2-pole, bolt-on thermal magnetic circuit breaker rated for 50 amps at 120\/240 volts. It is designed to provide overcurrent and short-circuit protection in residential and light commercial panelboards that accept bolt-on style breakers. The thermal magnetic trip mechanism responds to both sustained overloads and instantaneous fault currents, protecting downstream wiring and connected equipment. Lug terminals accommodate aluminum or copper conductors ranging from 8 AWG to 2 AWG. Licensed electricians install this breaker during new construction, panel upgrades, or branch circuit replacement work.\u003c\/p\u003e\u003cp\u003eThe QOB250 is suited for 240-volt branch circuits in residential and light commercial applications, including HVAC equipment feeds, water heater circuits, subpanel feeders, and similar double-pole loads. Its bolt-on mounting style is required in panelboards specifically designed for bolt-on breakers, as opposed to plug-on configurations. The 10 kilo-amp interrupting rating is appropriate for typical residential and small commercial service entrance fault current levels.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e50-amp current rating for double-pole 240-volt branch circuits\u003c\/li\u003e\n\u003cli\u003eThermal magnetic trip mechanism provides overload and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eBolt-on mounting style for compatible panelboards\u003c\/li\u003e\n\u003cli\u003eLug terminals accept aluminum or copper wire from 8 AWG to 2 AWG\u003c\/li\u003e\n\u003cli\u003e10 kilo-amp interrupting rating suitable for residential and light commercial panels\u003c\/li\u003e\n\u003cli\u003e2-pole design handles 120\/240-volt single-phase loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a bolt-on style replacement circuit breaker for panelboards that accept bolt-on two-pole breakers in the QOB series configuration.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the panel and verify the absence of voltage with a meter before handling any breaker or wiring connections. Confirm that the panelboard is rated for bolt-on breaker installation before proceeding. Torque all lug connections to the value specified on the panelboard's labeling or the breaker's documentation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e: 50 amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 120\/240 volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e: 10 kilo-amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type\u003c\/strong\u003e: Lug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Compatibility\u003c\/strong\u003e: Aluminum or copper, 8 AWG to 2 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style\u003c\/strong\u003e: Bolt-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Type\u003c\/strong\u003e: Thermal magnetic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CUTLER HAMMER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QOB250\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CUTLER \u0026 HAMMER","offers":[{"title":"Default Title","offer_id":51672378245426,"sku":"QOB250","price":51.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/921b572fc8b1f6aaaa35977910c28432.jpg?v=1787966752","url":"https:\/\/voomisupply.com\/products\/cutler-hammer-qob250-bolt-on-circuit-breaker-50a-2p-240v","provider":"Voomi Supply","version":"1.0","type":"link"}