{"product_id":"zinsco-qcb-qcb270-2-pole-70-amp-240v-circuit-breaker","title":"Zinsco QCB QCB270 2 Pole 70 Amp 240V Circuit Breaker","description":"\u003ch3 data-end=\"120\" data-start=\"104\" data-section-id=\"17lc1ru\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-end=\"649\" data-start=\"121\"\u003eThe Zinsco QCB270 is a 70 Amp, 2-pole molded case circuit breaker designed for use in Zinsco \/ GTE Sylvania panelboards. It operates on 120\/240V 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. It belongs to the QCB series and is typically a bolt-on type breaker, providing a secure mechanical and \u003ca href=\"https:\/\/plgautomation.com\/collections\/networking-communication\"\u003eelectrical connection\u003c\/a\u003e to the panel bus. Product listings confirm its configuration as 70A, 2-pole, 240V with bolt-on mounting. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"668\" data-start=\"651\" data-section-id=\"5ms9th\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-end=\"1024\" data-start=\"669\"\u003eThe Zinsco QCB270 breaker is commonly used in residential and light commercial electrical systems for 240V circuits requiring 70A protection, such as HVAC systems, subpanels, compressors, and heavy-duty equipment loads. It is specifically intended for legacy Zinsco bolt-on panels and is primarily used today for maintenance or replacement of existing installations.\u003c\/p\u003e\n\u003ch3 data-end=\"1055\" data-start=\"1026\" data-section-id=\"5hg6bl\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-end=\"1662\" data-start=\"1056\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania \/ Challenger\u003cbr data-end=\"1109\" data-start=\"1106\"\u003e• Model \/ Part Number: QCB270\u003cbr data-end=\"1141\" data-start=\"1138\"\u003e• Product Type: Molded Case Circuit Breaker (Bolt-On)\u003cbr data-end=\"1197\" data-start=\"1194\"\u003e• Poles: 2-Pole \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1253\" data-start=\"1250\"\u003e• Current Rating: 70 Amps \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1319\" data-start=\"1316\"\u003e• Voltage Rating: 120\/240 VAC \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1389\" data-start=\"1386\"\u003e• Mounting: Bolt-on (QCB series) \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1462\" data-start=\"1459\"\u003e• Trip Type: Thermal-magnetic\u003cbr data-end=\"1494\" data-start=\"1491\"\u003e• Interrupt Rating: ~10 kAIC @ 240V (typical class)\u003cbr data-end=\"1548\" data-start=\"1545\"\u003e• Phase: Single-phase\u003cbr data-end=\"1572\" data-start=\"1569\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-end=\"1627\" data-start=\"1624\"\u003e• Status: Obsolete \/ discontinued\u003c\/p\u003e\n\u003ch3 data-end=\"1693\" data-start=\"1669\" data-section-id=\"1cz0398\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-end=\"1902\" data-start=\"1694\"\u003e• Connecticut Electric UBIZ270B 2-Pole 70A Zinsco Replacement Breaker \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cbr data-end=\"1804\" data-start=\"1801\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/q270-siemens-2pole-70amp-240vac-circuit-breaker?_pos=1\u0026amp;_psq=Q270\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSiemens Q270 2-Pole 70A Circuit Breaker\u003c\/a\u003e\u003cbr data-end=\"1848\" data-start=\"1845\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-qob270-n-70a-240v-2p-10k?_pos=1\u0026amp;_psq=QOB270\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSquare D QOB270 2-Pole 70A Bolt-On Circuit Breaker\u003c\/a\u003e\u003c\/p\u003e","brand":"Zinsco","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734987735342,"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_aea37660-c79c-405b-ac34-a72dd08b2f1e.jpg?v=1770608010","url":"https:\/\/plgautomation.com\/products\/zinsco-qcb-qcb270-2-pole-70-amp-240v-circuit-breaker","provider":"PLG Automation ","version":"1.0","type":"link"}