{"product_id":"abb-thhqb1120-20a-1-pole-120-240v-22ka-q-line-bolt-on-circuit-breaker","title":"ABB THHQB1120 20A 1-Pole 120\/240V 22kA Q-Line Bolt-On Circuit Breaker","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe ABB THHQB1120 is a 20-amp, 1-pole Q-Line bolt-on circuit breaker with 120V AC and 120\/240V AC ratings. Its fixed thermal-magnetic trip provides long-time overload and instantaneous short-circuit protection with a 22 kA interrupting rating.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Non-interchangeable fixed LI thermal-magnetic trip for overload and short-circuit protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Bolt-on bus connection and load-side box lugs; suitable for reverse-feed applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Use only in compatible ABB and legacy GE Q-Line equipment specifically listed for THHQB breakers; verify equipment labeling before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Rated 20A, 1-pole, 120\/240V AC with 22 kAIC interrupting capacity and quick-make\/quick-break operation; SWD marked for switching 120V AC fluorescent lighting loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCatalog Number: THHQB1120\u003c\/li\u003e\n\u003cli\u003eSeries \/ Frame: Q-Line\u003c\/li\u003e\n\u003cli\u003eAmperage: 20A\u003c\/li\u003e\n\u003cli\u003ePoles \/ Phase: 1-pole \/ single-phase branch circuits\u003c\/li\u003e\n\u003cli\u003eVoltage: 120V AC and 120\/240V AC\u003c\/li\u003e\n\u003cli\u003eInterrupting Rating: 22 kAIC at the listed AC voltage ratings\u003c\/li\u003e\n\u003cli\u003eMounting: Bolt-on\u003c\/li\u003e\n\u003cli\u003eTrip Function: Fixed long-time and instantaneous thermal-magnetic\u003c\/li\u003e\n\u003cli\u003eWire Range: 14-8 AWG copper or 12-8 AWG aluminum\u003c\/li\u003e\n\u003cli\u003eTerminal: Box lugs\u003c\/li\u003e\n\u003cli\u003eCalibration Temperature: 40°C\u003c\/li\u003e\n\u003cli\u003eCertifications \/ Markings: UL 489, UL File E11592, HACR, SWD\u003c\/li\u003e\n\u003cli\u003eUPC: 783164118247\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cp\u003eFor compatible residential and commercial branch circuits requiring a 20A single-pole bolt-on breaker with 22 kAIC capacity, including SWD-rated switching of 120V AC fluorescent lighting loads. A qualified electrical professional should verify the equipment listing, conductor sizing, and installation requirements.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"NEW","offer_id":54261329723760,"sku":"THHQB1120 NEW","price":25.99,"currency_code":"USD","in_stock":false},{"title":"Surplus, Open Box","offer_id":54261329756528,"sku":"THHQB1120 OPENBOX","price":25.99,"currency_code":"USD","in_stock":false},{"title":"RECONDITIONED-USED","offer_id":54261329789296,"sku":"THHQB1120 USED","price":25.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/7268\/5168\/files\/abb-thhqb1120-20a-1-pole-circuit-breaker.jpg?v=1788468837","url":"https:\/\/gotbreakers.com\/products\/abb-thhqb1120-20a-1-pole-120-240v-22ka-q-line-bolt-on-circuit-breaker","provider":"GOT BREAKERS MIAMI","version":"1.0","type":"link"}