{"product_id":"zinsco-qb24-1020-u-20a-1p-120v","title":"ZINSCO QB24-1020 U 20A 1P 120V Single-pole Molded Case Circuit Breaker QB241020","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"69\" data-end=\"85\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"86\" data-end=\"497\"\u003eThe Zinsco QB24-1020 U is a 20 Amp, single-pole molded case circuit breaker designed for use in Zinsco \/ GTE Sylvania panelboards. It operates on 120V systems and features a thermal-magnetic trip mechanism that \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eprotects circuits\u003c\/a\u003e from overloads and short circuits. This breaker is part of the QB24 series and uses a bolt-on mounting design, providing a secure connection to the panel bus in legacy installations.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"499\" data-end=\"516\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"517\" data-end=\"891\"\u003eThe Zinsco QB24-1020 breaker is commonly used in residential and light commercial electrical systems for branch circuits such as kitchen outlets, laundry circuits, garage receptacles, and general-purpose wiring requiring 20A protection. It is intended for installation in Zinsco bolt-on panels and is typically found in older electrical systems where replacement or maintenance is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"893\" data-end=\"922\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"923\" data-end=\"1330\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania \/ Challenger\u003cbr data-start=\"973\" data-end=\"976\"\u003e• Model \/ Part Number: QB24-1020 U\u003cbr data-start=\"1010\" data-end=\"1013\"\u003e• Product Type: Molded Case Circuit Breaker (Bolt-On)\u003cbr data-start=\"1066\" data-end=\"1069\"\u003e• Poles: 1-Pole\u003cbr data-start=\"1084\" data-end=\"1087\"\u003e• Current Rating: 20 Amps\u003cbr data-start=\"1112\" data-end=\"1115\"\u003e• Voltage Rating: 120 VAC\u003cbr data-start=\"1140\" data-end=\"1143\"\u003e• Mounting: Bolt-on (QB series)\u003cbr data-start=\"1174\" data-end=\"1177\"\u003e• Trip Type: Thermal-magnetic\u003cbr data-start=\"1206\" data-end=\"1209\"\u003e• Interrupt Rating: ~10 kAIC\u003cbr data-start=\"1237\" data-end=\"1240\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-start=\"1292\" data-end=\"1295\"\u003e• Status: Obsolete \/ discontinued\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1337\" data-end=\"1361\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1362\" data-end=\"1519\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-qo120-1pole-20amp-120v-10ka-circuit-breaker-tested?_pos=1\u0026amp;_psq=QO120\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSquare D QO120 1-Pole 20A Circuit Breaker\u003c\/a\u003e\u003cbr data-start=\"1405\" data-end=\"1408\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/siemens-q120-qp-circuit-breaker-20a-1-pole-tested?_pos=1\u0026amp;_psq=Q120\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSiemens Q120 1-Pole 20A Circuit Breaker\u003c\/a\u003e\u003cbr data-start=\"1449\" data-end=\"1452\"\u003e• Connecticut Electric UBIZ20 1-Pole 20A Zinsco Replacement Breaker\u003c\/p\u003e","brand":"ZINSCO","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734997827886,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_273776b6-f290-4a24-b3c4-d662e76a69ce.jpg?v=1770608046","url":"https:\/\/plgautomation.com\/products\/zinsco-qb24-1020-u-20a-1p-120v","provider":"PLG Automation ","version":"1.0","type":"link"}