{"product_id":"zinsco-qb24-100n-u-100a-2p-240v","title":"ZINSCO QB24-100N U 100A 2P 240V Molded Case Circuit Breaker QB24100N","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"110\" data-end=\"126\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"127\" data-end=\"591\"\u003eThe Zinsco QB24-100N U is a 2-pole 100 Amp molded case circuit breaker designed for use in Zinsco \/ GTE Sylvania panelboards. It operates at 240 VAC 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 model belongs to the QB24 series and uses a bolt-on mounting design, ensuring a secure electrical and mechanical connection to the panel bus. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"593\" data-end=\"610\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"611\" data-end=\"1047\"\u003eThis breaker is commonly used in residential and commercial distribution systems as a main or feeder breaker for subpanels, large appliances, HVAC units, and other high-load equipment requiring 100A protection. It is typically installed in older Zinsco bolt-on panelboards and is now considered obsolete, often replaced with modern equivalents for improved safety and reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1049\" data-end=\"1078\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1079\" data-end=\"1862\"\u003e• Manufacturer: Zinsco \/ GTE Sylvania\u003cbr data-start=\"1116\" data-end=\"1119\"\u003e• Model \/ Part Number: QB24-100N \/ QB2100 equivalent\u003cbr data-start=\"1171\" data-end=\"1174\"\u003e• Product Type: Molded Case Circuit Breaker (Bolt-On)\u003cbr data-start=\"1227\" data-end=\"1230\"\u003e• Poles: 2-Pole \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1283\" data-end=\"1286\"\u003e• Current Rating: 100 Amps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1350\" data-end=\"1353\"\u003e• Voltage Rating: 240 VAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1416\" data-end=\"1419\"\u003e• Phase: Single-phase \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1478\" data-end=\"1481\"\u003e• Interrupt Rating: ~10 kAIC @ 240V \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1554\" data-end=\"1557\"\u003e• Trip Type: Thermal-magnetic (LI – long-time \u0026amp; instantaneous) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1657\" data-end=\"1660\"\u003e• Mounting: Bolt-on (QB series) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1729\" data-end=\"1732\"\u003e• Function: Overcurrent and short circuit protection\u003cbr data-start=\"1784\" data-end=\"1787\"\u003e• Status: Discontinued \/ obsolete \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1869\" data-end=\"1893\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1894\" data-end=\"2053\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-qob2100-2-pole-100-amp-240v-bolt-on-black-circuit-breaker?_pos=3\u0026amp;_psq=QOB2100\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSquare D QOB2100 2-Pole 100A Bolt-On Circuit Breaker\u003c\/a\u003e\u003cbr data-start=\"1948\" data-end=\"1951\"\u003e• Siemens Q2100 \/ BQD2100 2-Pole 100A Circuit Breaker\u003cbr data-start=\"2004\" data-end=\"2007\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/eaton-cutler-hammer-bab-bab2100h-2-pole-100-amp-240v-circuit-breaker-bab2100?_pos=1\u0026amp;_psq=BAB2100H\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eEaton BAB2100H 2-Pole 100A Bolt-On Breaker\u003c\/a\u003e\u003c\/p\u003e","brand":"ZINSCO","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734998286638,"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_2ca4fffe-f32f-448a-973b-23b4db232138.jpg?v=1770608049","url":"https:\/\/plgautomation.com\/products\/zinsco-qb24-100n-u-100a-2p-240v","provider":"PLG Automation ","version":"1.0","type":"link"}