{"product_id":"abb-thqb2120-20a-2-pole-bolt-on-circuit-breaker-bolt-on-120-240v","title":"ABB THQB2120 20A 2-Pole Bolt-On Circuit Breaker – Bolt-On – 120\/240V","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"b1b406d4-5f12-4752-a548-e454c4c5a184\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"74\" data-end=\"514\"\u003eThe ABB THQB2120 20 Amp two-pole bolt-on circuit breaker delivers reliable thermal-magnetic protection for residential and commercial electrical systems. Built on the Q-Line platform, it provides dependable overload and short-circuit protection with a 10 kAIC interrupt rating. HACR rated and designed for bolt-on installation, this breaker is well suited for load centers and lighting panels requiring robust performance.\u003c\/p\u003e\n\u003ch3 data-start=\"521\" data-end=\"543\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"546\" data-end=\"565\"\u003eCurrent Rating:\u003c\/strong\u003e 20 Amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"578\" data-end=\"597\"\u003eVoltage Rating:\u003c\/strong\u003e 120V AC, 120\/240V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"623\" data-end=\"649\"\u003eInterrupting Capacity:\u003c\/strong\u003e 10 kAIC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"662\" data-end=\"672\"\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"683\" data-end=\"705\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"708\" data-end=\"725\"\u003eBreaker Type:\u003c\/strong\u003e Q-Line Bolt-On Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"761\" data-end=\"776\"\u003eFrame Type:\u003c\/strong\u003e Q-Line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"788\" data-end=\"806\"\u003eTrip Function:\u003c\/strong\u003e LI (Long-time, Instantaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"841\" data-end=\"856\"\u003eTrip Style:\u003c\/strong\u003e Non-Interchangeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"881\" data-end=\"899\"\u003eMounting Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"912\" data-end=\"928\"\u003eApplication:\u003c\/strong\u003e Residential and commercial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"960\" data-end=\"990\"\u003eSuitable for Reverse Feed:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"999\" data-end=\"1020\"\u003eSpecial Markings:\u003c\/strong\u003e HACR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1030\" data-end=\"1047\"\u003eProduct Line:\u003c\/strong\u003e TEY Q-Line (Bolt-On)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1073\" data-end=\"1092\"\u003eGSA Compliance:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1100\" data-end=\"1128\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1131\" data-end=\"1146\"\u003eWire Range:\u003c\/strong\u003e 14–8 kcmil \/ 12–8 kcmil (Cu\/Al)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1183\" data-end=\"1205\"\u003eLong Time Setting:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1216\" data-end=\"1242\"\u003eInstantaneous Setting:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1253\" data-end=\"1283\"\u003eContinuous Current Rating:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1296\" data-end=\"1314\"\u003eCertifications\u003c\/h3\u003e\n\u003cul data-start=\"1315\" data-end=\"1344\"\u003e\n\u003cli data-start=\"1315\" data-end=\"1344\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1344\"\u003e\u003cstrong data-start=\"1317\" data-end=\"1344\"\u003eUL Listed (File E11592)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1346\" data-end=\"1362\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1365\" data-end=\"1382\"\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1391\" data-end=\"1401\"\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1410\" data-end=\"1427\"\u003eModel Number:\u003c\/strong\u003e THQB2120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1441\" data-end=\"1449\"\u003eUPC:\u003c\/strong\u003e 783164012248\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"NEW","offer_id":47437994688761,"sku":"THQB2120","price":34.38,"currency_code":"USD","in_stock":true},{"title":"RECONDITIONED","offer_id":47437994721529,"sku":"THQB2120-RECON","price":18.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/IMG_0001-Photoroom_a25805f6-6fe6-44aa-b8bf-322748121a74.webp?v=1771658989","url":"https:\/\/mycircuitbreakers.com\/products\/abb-thqb2120-20a-2-pole-bolt-on-circuit-breaker-bolt-on-120-240v","provider":"My Circuit Breakers","version":"1.0","type":"link"}