{"product_id":"zinsco-qcb-qcb230-2-pole-30-amp-240v-circuit-breaker","title":"Zinsco QCB QCB230 2 Pole 30 Amp 240V Molded Case Circuit Breaker","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"94\" data-end=\"110\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"111\" data-end=\"638\"\u003eThe Zinsco QCB230 is a 30 Amp, 2-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\u003c\/a\u003e from overloads and short circuits. It belongs to the QCB series and is typically configured as a bolt-on type breaker, ensuring a secure connection to the panel bus. Standard specifications confirm a 30A rating, 2 poles, and 240V operation within the QCB product line. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"640\" data-end=\"657\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"658\" data-end=\"1026\"\u003eThe Zinsco QCB230 breaker is commonly used in residential and light commercial electrical systems for 240V branch circuits such as air conditioning units, water heaters, compressors, and other medium-load equipment requiring 30A protection. It is specifically intended for legacy Zinsco panels and is primarily used today for maintenance or replacement of existing installations.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1028\" data-end=\"1057\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1058\" data-end=\"1645\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania\u003cbr data-start=\"1095\" data-end=\"1098\"\u003e• Model \/ Part Number: QCB230\u003cbr data-start=\"1127\" data-end=\"1130\"\u003e• Product Type: Molded Case Circuit Breaker\u003cbr data-start=\"1173\" data-end=\"1176\"\u003e• Poles: 2-Pole \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1229\" data-end=\"1232\"\u003e• Current Rating: 30 Amps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e• Voltage Rating: 240 VAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1361\" data-end=\"1364\"\u003e• Mounting: Bolt-on (QCB series typical) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1442\" data-end=\"1445\"\u003e• Trip Type: Thermal-magnetic\u003cbr data-start=\"1474\" data-end=\"1477\"\u003e• Interrupt Rating: ~10 kAIC @ 240V (typical class)\u003cbr data-start=\"1528\" data-end=\"1531\"\u003e• Phase: Single-phase\u003cbr data-start=\"1552\" data-end=\"1555\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-start=\"1607\" data-end=\"1610\"\u003e• Status: Obsolete \/ discontinued\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1652\" data-end=\"1676\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1677\" data-end=\"1847\"\u003e• Connecticut Electric UBIZ230B 2-Pole 30A Zinsco Replacement Breaker\u003cbr data-start=\"1746\" data-end=\"1749\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/siemens-q230-n-30a-240v-2p?_pos=1\u0026amp;_psq=Q230\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSiemens Q230 2-Pole 30A Circuit Breaker\u003c\/a\u003e\u003cbr data-start=\"1790\" data-end=\"1793\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-30a-circuit-breaker-qob230?_pos=1\u0026amp;_psq=QOB230\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSquare D QOB230 2-Pole 30A Bolt-On Circuit Breaker\u003c\/a\u003e\u003c\/p\u003e","brand":"Zinsco","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734988161326,"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_96c0257a-abc8-4153-a431-77c8a37aa538.jpg?v=1770608012","url":"https:\/\/plgautomation.com\/products\/zinsco-qcb-qcb230-2-pole-30-amp-240v-circuit-breaker","provider":"PLG Automation ","version":"1.0","type":"link"}