{"product_id":"zinsco-qcal-70d-u-70a-240v-3p-delta","title":"ZINSCO QCAL-70D U 70A 240V 3-pole Molded Case Circuit Breaker DELTA QCAL70D","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"106\" data-end=\"122\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"123\" data-end=\"727\"\u003eThe Zinsco QCAL-70D U is a 70 Amp, 3-pole molded case circuit breaker designed for use in Zinsco \/ GTE Sylvania panelboards. It operates on 240V systems and features a thermal-magnetic trip mechanism that \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eprotects circuits from overloads and short circuits\u003c\/a\u003e. It belongs to the QCAL (QC\/QCAL series) and uses a plug-in (snap-in) mounting style for installation in compatible panels. This specific model is configured for delta systems (“D” designation), supporting three-phase power distribution. Listings confirm its rating as 70A, 240V, 3-pole delta configuration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"729\" data-end=\"746\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"747\" data-end=\"1170\"\u003eThe Zinsco QCAL-70D breaker is commonly used in commercial and industrial electrical systems requiring 70A three-phase protection, particularly in delta-configured systems. Typical applications include \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003emotor control\u003c\/a\u003e panels, machinery, pumps, compressors, and distribution feeders. It is intended for legacy Zinsco panels and is primarily used today for maintenance or replacement of existing installations rather than new installations.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1172\" data-end=\"1201\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1202\" data-end=\"1801\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania\u003cbr data-start=\"1239\" data-end=\"1242\"\u003e• Model \/ Part Number: QCAL-70D U\u003cbr data-start=\"1275\" data-end=\"1278\"\u003e• Product Type: Molded Case Circuit Breaker\u003cbr data-start=\"1321\" data-end=\"1324\"\u003e• Poles: 3-Pole \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1377\" data-end=\"1380\"\u003e• Current Rating: 70 Amps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e• Voltage Rating: 240 VAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1509\" data-end=\"1512\"\u003e• Mounting: Plug-in \/ Snap-in (QC\/QCAL series)\u003cbr data-start=\"1558\" data-end=\"1561\"\u003e• Trip Type: Thermal-magnetic\u003cbr data-start=\"1590\" data-end=\"1593\"\u003e• Phase: 3-phase (Delta configuration)\u003cbr data-start=\"1631\" data-end=\"1634\" data-is-only-node=\"\"\u003e• Interrupt Rating: ~10 kAIC @ 240V (typical class)\u003cbr data-start=\"1685\" data-end=\"1688\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-start=\"1740\" data-end=\"1743\"\u003e• Status: Obsolete \/ discontinued (surplus availability)\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1808\" data-end=\"1832\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1833\" data-end=\"1979\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-qob370-bolt-on-circuit-breaker-70-amp-240-volt-3-pole-22ka-qob-qob-370?_pos=3\u0026amp;_psq=QOB370\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSquare D QOB370 3-Pole 70A Bolt-On Circuit Breaker\u003c\/a\u003e\u003cbr data-start=\"1885\" data-end=\"1888\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/siemens-bqd370-u-70a-480v-3p?_pos=1\u0026amp;_psq=BQD370\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSiemens BQD370 3-Pole 70A Bolt-On Breaker\u003c\/a\u003e\u003cbr data-start=\"1931\" data-end=\"1934\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/eaton-bab3070h-breaker-70a-240v-3p?_pos=1\u0026amp;_psq=BAB3070H\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eEaton BAB3070H 3-Pole 70A Bolt-On Breaker\u003c\/a\u003e\u003c\/p\u003e","brand":"ZINSCO","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734988816686,"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_897fc5a9-5731-4c1b-a391-f6e0729b9be0.jpg?v=1770608015","url":"https:\/\/plgautomation.com\/products\/zinsco-qcal-70d-u-70a-240v-3p-delta","provider":"PLG Automation ","version":"1.0","type":"link"}