{"product_id":"schneider-140cra21220c-dio-drop-interface-robust-dio-drop","title":"Schneider 140CRA21220C DIO Drop Interface - Robust DIO Drop","description":"\u003ch2\u003eIntroduction to the Schneider 140CRA21220C DIO Drop Interface\u003c\/h2\u003e\u003cp\u003eThe Schneider Electric 140CRA21220C serves as a DIO drop interface for Modicon Quantum systems. It features two redundant ports to enhance communication reliability. Operating at 24 VDC with a range of 20 to 30 V, it handles up to 30 A inrush current. The 140CRA21220C incorporates short-circuit and overvoltage protection to safeguard against common electrical failures, ensuring uninterrupted operation.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eThe Schneider Electric 140CRA21220C offers the following specifications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 24 VDC (20-30 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush Current:\u003c\/strong\u003e 30 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 11 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 5.1 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage Protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Buffer Time:\u003c\/strong\u003e 1 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Rating:\u003c\/strong\u003e 2.5 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e ≤ 5000 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 95% without condensation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Treatment:\u003c\/strong\u003e Conformal Coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReal-World Applications\u003c\/h2\u003e\u003cp\u003eIn industrial automation, the 140CRA21220C excels in environments with high electrical noise. For example, in a manufacturing plant with frequent voltage spikes, its overvoltage protection prevents damage to connected I\/O modules. Another use is in remote substations where redundant ports ensure continuous communication even if one link fails. The short-circuit protection also guards against wiring faults, reducing downtime.\u003c\/p\u003e\u003ch2\u003eInstallation and Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the 140CRA21220C on a DIN rail in a clean, dry cabinet. Ensure the supply voltage stays within 20-30 VDC. Connect redundant communication cables to both ports for maximum reliability. Verify proper grounding to avoid ground loops. No special tools are required; follow standard Modicon Quantum installation practices.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eWhen selecting the 140CRA21220C, confirm compatibility with your Modicon Quantum backplane. Check that the 24 VDC supply handles the 30 A inrush current at startup. For reliable sourcing, consider UBEST Automation as a trusted supplier of genuine Schneider modules. Visit ubest101.myshopify.com for more details.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44403363151971,"sku":"140CRA21220C","price":238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/140CRA21220C-c1.jpg?v=1784987381","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-140cra21220c-dio-drop-interface-robust-dio-drop","provider":"PLC Source PRO","version":"1.0","type":"link"}