{"product_id":"square-d-qob3501021-50a-3-pole-thermal-magnetic-circuit-breaker-bolt-on-mount-240v","title":"Square D QOB3501021 50A 3-Pole Thermal Magnetic Circuit Breaker – Bolt-On Mount – 240V","description":"\u003cp data-start=\"90\" data-end=\"523\"\u003eThe Square D QOB3501021 Molded Case Circuit Breaker is a reliable overcurrent protection device designed for commercial, industrial, and OEM electrical distribution systems. Part of the QOB Series, this thermal-magnetic circuit breaker provides both long-time overload and instantaneous short-circuit protection. Its bolt-on mounting design ensures a secure installation in compatible Square D panelboards and distribution equipment.\u003c\/p\u003e\n\u003ch2 data-section-id=\"k6a4r\" data-start=\"525\" data-end=\"546\"\u003eVoltage and Rating\u003c\/h2\u003e\n\u003cul data-start=\"547\" data-end=\"664\"\u003e\n\u003cli data-section-id=\"iklkt2\" data-start=\"547\" data-end=\"572\"\u003eCurrent Rating: 50 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"e6szip\" data-start=\"573\" data-end=\"603\"\u003eVoltage Rating: 240 Volts AC\u003c\/li\u003e\n\u003cli data-section-id=\"nh2u98\" data-start=\"604\" data-end=\"620\"\u003ePhase: 3-Phase\u003c\/li\u003e\n\u003cli data-section-id=\"15fwnvb\" data-start=\"621\" data-end=\"664\"\u003eInterrupting Capacity: 10 kAIC at 240V AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"rkota4\" data-start=\"666\" data-end=\"687\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-start=\"688\" data-end=\"923\"\u003e\n\u003cli data-section-id=\"q9qzjg\" data-start=\"688\" data-end=\"705\"\u003eBrand: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"2c4uun\" data-start=\"706\" data-end=\"740\"\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"fpj4ie\" data-start=\"741\" data-end=\"767\"\u003eModel Number: QOB3501021\u003c\/li\u003e\n\u003cli data-section-id=\"1ly3dv2\" data-start=\"768\" data-end=\"788\"\u003eSeries: QOB Series\u003c\/li\u003e\n\u003cli data-section-id=\"ljdll7\" data-start=\"789\" data-end=\"839\"\u003eProduct Type: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"5p1llh\" data-start=\"840\" data-end=\"865\"\u003eNumber of Poles: 3-Pole\u003c\/li\u003e\n\u003cli data-section-id=\"av5m2m\" data-start=\"866\" data-end=\"890\"\u003eMounting Type: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"1o7ufcn\" data-start=\"891\" data-end=\"923\"\u003eBreaker Type: Thermal Magnetic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"925\" data-end=\"952\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"953\" data-end=\"1213\"\u003e\n\u003cli data-section-id=\"jza22\" data-start=\"953\" data-end=\"1002\"\u003eTrip Function: LI (Long-Time and Instantaneous)\u003c\/li\u003e\n\u003cli data-section-id=\"1lmn407\" data-start=\"1003\" data-end=\"1098\"\u003eProtection Type:\n\u003cul data-start=\"1024\" data-end=\"1098\"\u003e\n\u003cli data-section-id=\"1nrva41\" data-start=\"1024\" data-end=\"1055\"\u003eLong-Time Overload Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1o88d4v\" data-start=\"1058\" data-end=\"1098\"\u003eInstantaneous Short-Circuit Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5trvgl\" data-start=\"1099\" data-end=\"1125\"\u003eConnection Type: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"njgqs1\" data-start=\"1126\" data-end=\"1163\"\u003eInterrupt Rating: 10 kAIC @ 240V AC\u003c\/li\u003e\n\u003cli data-section-id=\"12z482d\" data-start=\"1164\" data-end=\"1213\"\u003eOperating Mechanism: Thermal-Magnetic Trip Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"14b1stp\" data-start=\"1215\" data-end=\"1239\"\u003eDimensions and Weight\u003c\/h2\u003e\n\u003cul data-start=\"1240\" data-end=\"1310\"\u003e\n\u003cli data-section-id=\"dtw1oe\" data-start=\"1240\" data-end=\"1257\"\u003eHeight: 2.91 in\u003c\/li\u003e\n\u003cli data-section-id=\"1bkviun\" data-start=\"1258\" data-end=\"1274\"\u003eWidth: 2.99 in\u003c\/li\u003e\n\u003cli data-section-id=\"1e4qn7p\" data-start=\"1275\" data-end=\"1291\"\u003eDepth: 3.11 in\u003c\/li\u003e\n\u003cli data-section-id=\"lf9o49\" data-start=\"1292\" data-end=\"1310\"\u003eWeight: 1.18 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1xcjw99\" data-start=\"1312\" data-end=\"1336\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1337\" data-end=\"1705\"\u003e\n\u003cli data-section-id=\"mvxf0e\" data-start=\"1337\" data-end=\"1397\"\u003eProvides dependable overload and short-circuit protection.\u003c\/li\u003e\n\u003cli data-section-id=\"qbkjn9\" data-start=\"1398\" data-end=\"1470\"\u003eBolt-on mounting ensures secure installation and improved reliability.\u003c\/li\u003e\n\u003cli data-section-id=\"2y6xh3\" data-start=\"1471\" data-end=\"1537\"\u003eThermal-magnetic trip unit delivers accurate circuit protection.\u003c\/li\u003e\n\u003cli data-section-id=\"1bnunr\" data-start=\"1538\" data-end=\"1582\"\u003eCompact design saves valuable panel space.\u003c\/li\u003e\n\u003cli data-section-id=\"1mx0x02\" data-start=\"1583\" data-end=\"1643\"\u003eSuitable for commercial, industrial, and OEM applications.\u003c\/li\u003e\n\u003cli data-section-id=\"u6yspb\" data-start=\"1644\" data-end=\"1705\"\u003eManufactured to Square D quality and performance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"1707\" data-end=\"1722\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1723\" data-end=\"1926\"\u003e\n\u003cli data-section-id=\"173pm5h\" data-start=\"1723\" data-end=\"1766\"\u003eCommercial Electrical Distribution Panels\u003c\/li\u003e\n\u003cli data-section-id=\"eo12q5\" data-start=\"1767\" data-end=\"1794\"\u003eIndustrial Control Panels\u003c\/li\u003e\n\u003cli data-section-id=\"pp8cxx\" data-start=\"1795\" data-end=\"1810\"\u003eOEM Equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1i323a8\" data-start=\"1811\" data-end=\"1838\"\u003eMotor Protection Circuits\u003c\/li\u003e\n\u003cli data-section-id=\"zwhbd8\" data-start=\"1839\" data-end=\"1866\"\u003eBranch Circuit Protection\u003c\/li\u003e\n\u003cli data-section-id=\"5xdhvf\" data-start=\"1867\" data-end=\"1895\"\u003ePower Distribution Systems\u003c\/li\u003e\n\u003cli data-section-id=\"mioo3r\" data-start=\"1896\" data-end=\"1926\"\u003ePanelboards and Switchboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"we2dfi\" data-start=\"1928\" data-end=\"1943\"\u003eProduct Data\u003c\/h2\u003e\n\u003cul data-start=\"1944\" data-end=\"2093\"\u003e\n\u003cli data-section-id=\"2c4uun\" data-start=\"1944\" data-end=\"1978\"\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"q9qzjg\" data-start=\"1979\" data-end=\"1996\"\u003eBrand: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"10ys3pf\" data-start=\"1997\" data-end=\"2017\"\u003eFamily: QOB Series\u003c\/li\u003e\n\u003cli data-section-id=\"rfm2um\" data-start=\"2018\" data-end=\"2043\"\u003ePart Number: QOB3501021\u003c\/li\u003e\n\u003cli data-section-id=\"128xv3m\" data-start=\"2044\" data-end=\"2093\"\u003eCategory: Molded Case Circuit Breakers \/ 3-Pole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"r2uxc2\" data-start=\"2095\" data-end=\"2113\"\u003eProduct Summary\u003c\/h2\u003e\n\u003cul data-start=\"2114\" data-end=\"2503\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1axikv9\" data-start=\"2114\" data-end=\"2220\"\u003e\n\u003cstrong data-start=\"2116\" data-end=\"2133\"\u003eProduct Name:\u003c\/strong\u003e Square D QOB3501021 50A 3-Pole Thermal Magnetic Circuit Breaker – Bolt-On Mount – 240V\u003c\/li\u003e\n\u003cli data-section-id=\"1jf9hiw\" data-start=\"2221\" data-end=\"2242\"\u003eCurrent Rating: 50A\u003c\/li\u003e\n\u003cli data-section-id=\"181gcmt\" data-start=\"2243\" data-end=\"2268\"\u003eVoltage Rating: 240V AC\u003c\/li\u003e\n\u003cli data-section-id=\"7wt7j8\" data-start=\"2269\" data-end=\"2279\"\u003ePoles: 3\u003c\/li\u003e\n\u003cli data-section-id=\"av5m2m\" data-start=\"2280\" data-end=\"2304\"\u003eMounting Type: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"mc7wo4\" data-start=\"2305\" data-end=\"2335\"\u003eProtection: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1qvh1my\" data-start=\"2336\" data-end=\"2385\"\u003eTrip Function: Long-Time and Instantaneous (LI)\u003c\/li\u003e\n\u003cli data-section-id=\"njgqs1\" data-start=\"2386\" data-end=\"2423\"\u003eInterrupt Rating: 10 kAIC @ 240V AC\u003c\/li\u003e\n\u003cli data-section-id=\"lf9o49\" data-start=\"2424\" data-end=\"2442\"\u003eWeight: 1.18 lbs\u003c\/li\u003e\n\u003cli data-section-id=\"hnqxnq\" data-start=\"2443\" data-end=\"2503\" data-is-last-node=\"\"\u003eApplication: Commercial and industrial circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48537989841145,"sku":"QOB3501021","price":404.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/QOB3501021-new-1.jpg?v=1781635285","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-qob3501021-50a-3-pole-thermal-magnetic-circuit-breaker-bolt-on-mount-240v","provider":"My Circuit Breakers","version":"1.0","type":"link"}