{"product_id":"schneider-electric-qo320-plug-on-circuit-breaker","title":"Schneider Electric QO320 Plug-On Circuit Breaker","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"592\" class=\"\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/square-d\"\u003eSquare D\u003c\/a\u003e QO320 Circuit Breaker is used in industrial electrical distribution systems to provide reliable overcurrent protection for 3-phase circuits. Commonly installed in QO load centers, panelboards, and switchboards operating at 240V where coordinated protection of branch circuits and equipment is required. Maintenance teams, OEM panel builders, and electrical contractors use this breaker for system protection, panel upgrades, retrofit installations, and replacement of existing or failed QO-series breakers in industrial and commercial power distribution systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"594\" data-end=\"611\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"612\" data-end=\"991\"\u003eThe Square D QO320 circuit breaker is commonly used in commercial and industrial power distribution systems including motor control panels, HVAC systems, machinery power feeds, manufacturing equipment, and facility electrical infrastructure where 3-pole 240V circuit protection is required to safeguard equipment and ensure safe interruption of overload and short-circuit faults.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"993\" data-end=\"1022\" class=\"PDq2pG_selectionAnchorContainer\"\u003eTechnical Specifications:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1023\" data-end=\"1502\" class=\"\"\u003e• Manufacturer: Square D (Schneider Electric)\u003cbr data-start=\"1068\" data-end=\"1071\"\u003e• Model \/ Part number: QO320\u003cbr data-start=\"1099\" data-end=\"1102\"\u003e• Product type: Miniature circuit breaker (MCB)\u003cbr data-start=\"1149\" data-end=\"1152\"\u003e• Series: QO plug-in type\u003cbr data-start=\"1177\" data-end=\"1180\"\u003e• Poles: 3-pole\u003cbr data-start=\"1195\" data-end=\"1198\"\u003e• Rated current: 20A\u003cbr data-start=\"1218\" data-end=\"1221\"\u003e• Voltage rating: 120\/240V AC\u003cbr data-start=\"1250\" data-end=\"1253\"\u003e• Interrupting rating: 10 kA\u003cbr data-start=\"1281\" data-end=\"1284\"\u003e• Trip type: Thermal-magnetic\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e• Mounting: Plug-in (QO load center compatible)\u003cbr data-start=\"1363\" data-end=\"1366\"\u003e• Function: Overload and short-circuit protection\u003cbr data-start=\"1415\" data-end=\"1418\"\u003e• Phase: 3-phase compatible configuration\u003cbr data-start=\"1459\" data-end=\"1462\"\u003e• Standards: UL Listed \/ CSA Certified\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1504\" data-end=\"1528\" class=\"PDq2pG_selectionAnchorContainer\"\u003eCommon Replacements:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1529\" data-end=\"1682\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Square D QO320CP equivalent plug-in breaker\u003cbr data-start=\"1574\" data-end=\"1577\"\u003e• Eaton \u003ca href=\"https:\/\/plgautomation.com\/products\/eaton-br320-plug-on-circuit-breaker-20a-3p-240v?_pos=3\u0026amp;_sid=f06c1bdfd\u0026amp;_ss=r\"\u003eBR320 \u003c\/a\u003e20A 3-pole circuit breaker\u003cbr data-start=\"1617\" data-end=\"1620\"\u003e• Siemens \u003ca href=\"https:\/\/plgautomation.com\/products\/siemens-q320-u-20a-240v-3p?_pos=2\u0026amp;_sid=0b3d22ab9\u0026amp;_ss=r\"\u003eQ320\u003c\/a\u003e 20A 3-pole breaker (EQ series equivalent class)\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714383511854,"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_e3340bbd-2afa-466d-a724-8dde26cd4fcc.jpg?v=1770424861","url":"https:\/\/plgautomation.com\/products\/schneider-electric-qo320-plug-on-circuit-breaker","provider":"PLG Automation ","version":"1.0","type":"link"}