{"product_id":"square-d-du221rb-30a-2p-240v-safety-switch","title":"Square D DU221RB 30A 2P 240V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D DU221RB, a rugged safety switch designed for reliable equipment disconnect and precise isolation at the point of use. This 30 A, 2-pole device delivers clean 240 V control with a NEMA 3R enclosure that withstands weather and harsher environments.\u003c\/p\u003e \u003cp\u003eKey features at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 3R for dependable protection in outdoor or damp settings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfigurations:\u003c\/strong\u003e Fusible or Non-Fusible options available within the same part-number family\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DU221RB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D (Schneider Electric)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your operation\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePoint-of-use isolation with a dependable disconnect that minimizes downtime during maintenance, service, or fault conditions.\u003c\/li\u003e \u003cli\u003eTwo-pole design protects both hot legs for safer, code-compliant shutdown of 240 V equipment.\u003c\/li\u003e \u003cli\u003eNEMA 3R rating shields the interior from rain, dust, and incidental moisture—ideal for outdoor panels, equipment rooms, and loading areas.\u003c\/li\u003e \u003cli\u003eFusible and Non-Fusible configurations offer flexibility: use fusible when you want integrated circuit protection, or non-fusible when you need a straightforward disconnect paired with separate protection downstream.\u003c\/li\u003e \u003cli\u003eDirect part-number match supports quick, accurate sourcing for maintenance teams and panel builders, reducing mis-orders and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIsolation for industrial motors, pumps, conveyors, and compressors that require reliable, safe shutoff at the load point.\u003c\/li\u003e \u003cli\u003eOutdoor or moisture-prone installations where a rugged NEMA 3R safety switch ensures continued operation and easier serviceability.\u003c\/li\u003e \u003cli\u003eSpare parts inventory for facilities managers who rely on standardized, field-tested components from a trusted brand.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow it stacks up against generic disconnects\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConsistent Square D quality with a durable enclosure designed for real-world conditions.\u003c\/li\u003e \u003cli\u003eClear part-number fidelity reduces procurement ambiguity in large projects or busy maintenance shops.\u003c\/li\u003e \u003cli\u003eFlexible fusible\/non-fusible options in a single device mean fewer SKUs to stock and manage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming compatibility or finding the exact fit for your panel? AmpState can verify part numbers, clarify fusible vs non-fusible configurations, and ensure you’re ordering the right safety switch for your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410842308770,"sku":"DU221RB","price":415.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-du221rb-30a-2p-240v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}