{"product_id":"square-d-du321rb-safety-switch-3-pole-30a-240vac-non-fusible-general-duty-nema-3r","title":"Square D DU321RB Safety Switch – 3 Pole – 30A – 240VAC – Non-Fusible – General Duty – NEMA 3R","description":"\u003cp data-start=\"115\" data-end=\"469\"\u003eThe Square D DU321RB is a Series E general duty safety switch designed by Schneider Electric for residential, commercial, and light-duty industrial applications. It is commonly used for disconnecting power to lighting systems, air conditioning units, and other general electrical loads where reliable isolation and safety are required.\u003c\/p\u003e\n\u003cp data-start=\"471\" data-end=\"756\"\u003eBuilt with a NEMA 3R enclosure, this switch is suitable for outdoor installation and provides protection against rain and environmental exposure. Its non-fusible, single-throw design offers simple operation and dependable disconnect functionality without the need for fuse replacement.\u003c\/p\u003e\n\u003cp data-start=\"758\" data-end=\"965\"\u003eThis unit is designed for straightforward surface mounting and is suitable for service equipment applications when properly configured with grounding or neutral accessories as required by installation codes.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"972\" data-end=\"990\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"992\" data-end=\"1514\"\u003e\n\u003cli data-section-id=\"1ii30bw\" data-start=\"992\" data-end=\"1011\"\u003eBrand: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"1mzzcj3\" data-start=\"1012\" data-end=\"1048\"\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"1l0mq7r\" data-start=\"1049\" data-end=\"1073\"\u003ePart Number: DU321RB\u003c\/li\u003e\n\u003cli data-section-id=\"1qa0vuf\" data-start=\"1074\" data-end=\"1094\"\u003eSeries: E Series\u003c\/li\u003e\n\u003cli data-section-id=\"1fc4aap\" data-start=\"1095\" data-end=\"1144\"\u003eType: General Duty Safety Switch \/ Disconnect\u003c\/li\u003e\n\u003cli data-section-id=\"1cktiqf\" data-start=\"1145\" data-end=\"1179\"\u003eConfiguration: 3 Pole, 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"zjok8v\" data-start=\"1180\" data-end=\"1204\"\u003eAmperage Rating: 30A\u003c\/li\u003e\n\u003cli data-section-id=\"woy20l\" data-start=\"1205\" data-end=\"1231\"\u003eVoltage Rating: 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1hn0xib\" data-start=\"1232\" data-end=\"1261\"\u003eDuty Rating: General Duty\u003c\/li\u003e\n\u003cli data-section-id=\"mp6utz\" data-start=\"1262\" data-end=\"1291\"\u003eSwitch Style: Non-Fusible\u003c\/li\u003e\n\u003cli data-section-id=\"4djsuw\" data-start=\"1292\" data-end=\"1321\"\u003eAction Type: Single Throw\u003c\/li\u003e\n\u003cli data-section-id=\"jjrond\" data-start=\"1322\" data-end=\"1359\"\u003eInterrupting Rating: 100kA @ 240V\u003c\/li\u003e\n\u003cli data-section-id=\"g5lm3j\" data-start=\"1360\" data-end=\"1392\"\u003eMounting Type: Surface Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1i9pzar\" data-start=\"1393\" data-end=\"1412\"\u003eNEMA Rating: 3R\u003c\/li\u003e\n\u003cli data-section-id=\"1ijrl8z\" data-start=\"1413\" data-end=\"1476\"\u003eWire Range:\n\u003cul data-start=\"1431\" data-end=\"1476\"\u003e\n\u003cli data-section-id=\"g5e66w\" data-start=\"1431\" data-end=\"1451\"\u003eCopper: AWG 14–6\u003c\/li\u003e\n\u003cli data-section-id=\"1rfzr4f\" data-start=\"1454\" data-end=\"1476\"\u003eAluminum: AWG 12–6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ws6qyo\" data-start=\"1477\" data-end=\"1514\"\u003eNumber of Wires: 3 (as specified)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1521\" data-end=\"1537\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1539\" data-end=\"1774\"\u003e\n\u003cli data-section-id=\"1kig1xe\" data-start=\"1539\" data-end=\"1586\"\u003eResidential and commercial HVAC disconnects\u003c\/li\u003e\n\u003cli data-section-id=\"o20wox\" data-start=\"1587\" data-end=\"1617\"\u003eLighting circuit isolation\u003c\/li\u003e\n\u003cli data-section-id=\"19uiaw9\" data-start=\"1618\" data-end=\"1659\"\u003eSmall motor and appliance disconnects\u003c\/li\u003e\n\u003cli data-section-id=\"1v0xw5o\" data-start=\"1660\" data-end=\"1694\"\u003eAir conditioning outdoor units\u003c\/li\u003e\n\u003cli data-section-id=\"g287z2\" data-start=\"1695\" data-end=\"1739\"\u003eLight commercial electrical distribution\u003c\/li\u003e\n\u003cli data-section-id=\"17x2aq7\" data-start=\"1740\" data-end=\"1774\"\u003eGeneral-purpose load isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1781\" data-end=\"1806\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1808\" data-end=\"2154\"\u003e\n\u003cli data-section-id=\"1xzkmgg\" data-start=\"1808\" data-end=\"1863\"\u003eWeather-resistant NEMA 3R enclosure for outdoor use\u003c\/li\u003e\n\u003cli data-section-id=\"c3oxma\" data-start=\"1864\" data-end=\"1930\"\u003eGeneral duty design optimized for cost-effective installations\u003c\/li\u003e\n\u003cli data-section-id=\"1istqqa\" data-start=\"1931\" data-end=\"1987\"\u003eNon-fusible configuration for simplified maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1f4bo7b\" data-start=\"1988\" data-end=\"2036\"\u003eSurface-mounted design for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"177k2gj\" data-start=\"2037\" data-end=\"2092\"\u003eCompact footprint for residential\/commercial panels\u003c\/li\u003e\n\u003cli data-section-id=\"1ezpmqa\" data-start=\"2093\" data-end=\"2154\"\u003eBuilt for dependable switching in light-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1siptvj\" data-start=\"2161\" data-end=\"2191\"\u003eCertifications \u0026amp; Approvals\u003c\/h3\u003e\n\u003cul data-start=\"2193\" data-end=\"2322\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1w9xzw2\" data-start=\"2193\" data-end=\"2206\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1rifcnz\" data-start=\"2207\" data-end=\"2243\"\u003eCSA Certified (where applicable)\u003c\/li\u003e\n\u003cli data-section-id=\"lluyx0\" data-start=\"2244\" data-end=\"2272\"\u003eMeets NEMA KS1 standards\u003c\/li\u003e\n\u003cli data-section-id=\"ez52gu\" data-start=\"2273\" data-end=\"2322\" data-is-last-node=\"\"\u003eAuthentic Square D \/ Schneider Electric product\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48528772333817,"sku":"DU321RB","price":177.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/DU321RB-New-1.webp?v=1781451114","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-du321rb-safety-switch-3-pole-30a-240vac-non-fusible-general-duty-nema-3r","provider":"My Circuit Breakers","version":"1.0","type":"link"}