{"product_id":"schneider-140cps21400c-power-supply-module-for-modicon-quantum","title":"Schneider 140CPS21400C Power Supply Module for Modicon Quantum","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eWhen power interruptions threaten production uptime, the \u003cstrong\u003eSchneider 140CPS21400C\u003c\/strong\u003e provides reliable backup with its ability to handle up to 100 ms input power interruptions. As part of the Modicon Quantum automation platform, this power supply module delivers stable 5.1 VDC output at up to 8 A summable current, ensuring consistent operation in demanding industrial environments.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchneider 140CPS21400C\u003c\/strong\u003e power supply module is designed for efficiency and resilience. Key parameters from the manufacturer include:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V (20...30 V) DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e3800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e14 A at 20 V; 25 A at 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.1 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Output Current\u003c\/td\u003e\n\u003ctd\u003e8 A summable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssociated Fuse Rating\u003c\/td\u003e\n\u003ctd\u003e5 A, slow-blow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power Interruption\u003c\/td\u003e\n\u003ctd\u003e100 ms; 1 ms at 20 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance to Electromagnetic Fields\u003c\/td\u003e\n\u003ctd\u003e10 V\/m at 80…2000 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Air Temperature for Operation\u003c\/td\u003e\n\u003ctd\u003e0…60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95 % without condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Altitude\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 5000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance to Electrostatic Discharge\u003c\/td\u003e\n\u003ctd\u003e4 kV contact (IEC 801-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specifications make the \u003cstrong\u003e140CPS21400C\u003c\/strong\u003e suitable for installations where voltage fluctuations, transient currents, and environmental stress are common.\u003c\/p\u003e\u003ch2\u003eReal-World Applications\u003c\/h2\u003e\u003cp\u003eIn manufacturing plants, the \u003cstrong\u003eSchneider 140CPS21400C\u003c\/strong\u003e powers PLC racks and I\/O modules, ensuring uninterrupted control logic execution. In process automation, its wide input range compensates for battery voltage drops, while the high inrush capability supports capacitive loads during startup. The module’s 4 kV ESD resistance protects against static discharge in dry production areas.\u003c\/p\u003e\u003ch2\u003eTroubleshooting \u0026amp; Common Issues\u003c\/h2\u003e\u003cp\u003eCommon power supply failures include brownout trips and overload shutdown. The \u003cstrong\u003eSchneider 140CPS21400C\u003c\/strong\u003e mitigates these with its \u003cstrong\u003e100 ms input power interruption tolerance\u003c\/strong\u003e and internal output overvoltage\/overload protection. To avoid nuisance tripping, ensure input voltage stays within 20–30 VDC and total load current remains below 8 A. The green PWR OK LED simplifies status monitoring.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing a \u003cstrong\u003e140CPS21400C\u003c\/strong\u003e, verify that your application requires 5.1 VDC output and that the input power source can supply at least 3800 mA. Consider purchasing from \u003cstrong\u003eUBEST Automation\u003c\/strong\u003e (ubest101.myshopify.com) for genuine Schneider parts and fast delivery. Always check compatibility with your Modicon Quantum rack slot.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44403401392227,"sku":"140CPS21400C","price":277.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/140CPS21400C_3.jpg?v=1784991096","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-140cps21400c-power-supply-module-for-modicon-quantum","provider":"PLC Source PRO","version":"1.0","type":"link"}