{"product_id":"zinsco-qfl3125-u-125a-240v-3p","title":"ZINSCO QFL3125 U 125A 240V 3-pole Molded Case Circuit Breaker","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"98\" data-end=\"114\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"115\" data-end=\"735\"\u003eThe Zinsco QFL3125 U is a 125 Amp, 3-pole molded case circuit breaker designed for use in Zinsco \/ GTE Sylvania panelboards. It operates on 240V three-phase systems and features a thermal-magnetic trip mechanism that provides \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eprotection against overloads and short circuits\u003c\/a\u003e. It belongs to the QFL series and is typically configured as a bolt-on or fixed-mounted breaker, ensuring a secure connection to the panel bus. Standard specifications for comparable QFL\/QFB series breakers confirm a 125A rating, 3 poles, and 240V operation with an approximate interrupt rating of 10 kAIC. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"737\" data-end=\"754\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"755\" data-end=\"1142\"\u003eThe Zinsco QFL3125 breaker is commonly used in commercial and industrial electrical systems requiring 125A three-phase protection, such as distribution panels, feeder circuits, \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003emotor control\u003c\/a\u003e centers, and heavy-duty machinery. It is specifically intended for legacy Zinsco panelboards 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=\"1144\" data-end=\"1173\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1174\" data-end=\"1606\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania\u003cbr data-start=\"1211\" data-end=\"1214\"\u003e• Model \/ Part Number: QFL3125 U\u003cbr data-start=\"1246\" data-end=\"1249\"\u003e• Product Type: Molded Case Circuit Breaker\u003cbr data-start=\"1292\" data-end=\"1295\"\u003e• Poles: 3-Pole\u003cbr data-start=\"1310\" data-end=\"1313\"\u003e• Current Rating: 125 Amps\u003cbr data-start=\"1339\" data-end=\"1342\"\u003e• Voltage Rating: 240 VAC\u003cbr data-start=\"1367\" data-end=\"1370\"\u003e• Phase: 3-phase\u003cbr data-start=\"1386\" data-end=\"1389\"\u003e• Mounting: Bolt-on \/ fixed mount (QFL series typical)\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e• Trip Type: Thermal-magnetic\u003cbr data-start=\"1475\" data-end=\"1478\"\u003e• Interrupt Rating: ~10 kAIC @ 240V\u003cbr data-start=\"1513\" data-end=\"1516\" data-is-only-node=\"\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-start=\"1568\" data-end=\"1571\"\u003e• Status: Obsolete \/ discontinued\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1613\" data-end=\"1637\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1638\" data-end=\"1789\"\u003e• Square D QOB3125 3-Pole 125A Bolt-On Circuit Breaker\u003cbr data-start=\"1692\" data-end=\"1695\"\u003e• Siemens BQD3125 3-Pole 125A Bolt-On Breaker\u003cbr data-start=\"1740\" data-end=\"1743\"\u003e• Eaton BAB3125H 3-Pole 125A Bolt-On Breaker\u003c\/p\u003e","brand":"ZINSCO","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734986752302,"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_2af6e93e-7087-4ebf-9f40-61fd707f4ed1.jpg?v=1770608007","url":"https:\/\/plgautomation.com\/products\/zinsco-qfl3125-u-125a-240v-3p","provider":"PLG Automation ","version":"1.0","type":"link"}