{"product_id":"new-square-d-qob1201021-circuit-breaker-qob1201021","title":"NEW SQUARE D QOB1201021 CIRCUIT BREAKER QOB1201021","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"522\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/square-d\"\u003eSquare D \u003c\/a\u003eQOB1201021 Circuit Breaker is a miniature over‑current protective device used in electrical distribution systems to protect branch circuits from overloads and short circuit faults. Installed in residential, commercial, and light industrial panelboards where dependable circuit protection and quick fault interruption are required. Electricians and maintenance teams use this breaker for replacement, retrofit, and system upgrades to ensure safe and code‑compliant branch circuit protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"524\" data-end=\"543\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"544\" data-end=\"934\"\u003eThe Square D QOB1201021 breaker is used to protect lighting circuits, receptacle feeds, HVAC units, and small equipment loads in homes, offices, retail spaces, and light commercial facilities. Its compact design and standardized panel mount form factor make it suitable for branch circuit protection in distribution boards and load centers where reliable interruption of fault currents is essential.\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"936\" data-end=\"967\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"968\" data-end=\"1402\"\u003e• Manufacturer: Schneider Electric \/ Square D\u003cbr data-start=\"1013\" data-end=\"1016\"\u003e• Model \/ Part Number: QOB1201021\u003cbr data-start=\"1049\" data-end=\"1052\"\u003e• Product Type: Miniature Circuit Breaker (MCB)\u003cbr data-start=\"1099\" data-end=\"1102\"\u003e• Number of Poles: Single‑pole\u003cbr data-start=\"1132\" data-end=\"1135\"\u003e• Rated Current: 20 A\u003cbr data-start=\"1156\" data-end=\"1159\"\u003e• Voltage Rating: 120\/240 V AC\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e• Trip Type: Thermal‑magnetic\u003cbr data-start=\"1221\" data-end=\"1224\"\u003e• Interrupting Capacity: Typical 10 kA @ 120\/240 V AC\u003cbr data-start=\"1277\" data-end=\"1280\"\u003e• Mounting: Panelboard mount\u003cbr data-start=\"1308\" data-end=\"1311\"\u003e• Standards: UL 489 \/ CSA Certified\u003cbr data-start=\"1346\" data-end=\"1349\"\u003e• Application: Branch circuit over‑current protection\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1404\" data-end=\"1430\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1431\" data-end=\"1524\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Square D \u003ca href=\"https:\/\/plgautomation.com\/products\/square-d-qo120epd-u-20a-120v-1p-10k?_pos=1\u0026amp;_sid=61de496f9\u0026amp;_ss=r\"\u003eQO120EPD\u003c\/a\u003e 20 A breaker\u003cbr data-start=\"1463\" data-end=\"1466\"\u003e• Schneider Electric QOB12020\u003cbr data-start=\"1495\" data-end=\"1498\"\u003e• Eaton \u003ca href=\"https:\/\/plgautomation.com\/products\/eaton-br120-plug-on-circuit-breaker-20a-1p-120-240v-c120-br-20-amp-1-pole?_pos=4\u0026amp;_sid=d6dd95aaf\u0026amp;_ss=r\"\u003eBR120\u003c\/a\u003e 20 A breaker\u003c\/p\u003e","brand":"Square D","offers":[{"title":"New","offer_id":50558459380014,"sku":"New","price":382.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/QOB1201021_DA19_369.jpg?v=1751522949","url":"https:\/\/plgautomation.com\/products\/new-square-d-qob1201021-circuit-breaker-qob1201021","provider":"PLG Automation ","version":"1.0","type":"link"}