{"product_id":"high-efficiency-240w-dcs-power-card-yokogawa-pw481","title":"High-Efficiency 240W DCS Power Card | Yokogawa PW481","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa PW481\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the high-capacity energy core for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control Systems (DCS). This rack-mountable module converts wide-range AC input into precision-regulated 24V DC power, sustaining system processors, I\/O nodes, and communication units. We provide this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your control infrastructure operates with the stability required for mission-critical automation in the oil, gas, and power sectors.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa Electric Corporation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePW481\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100–240 V AC (Wide Range), 50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V DC (Regulated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~240 Watts (High Capacity)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 85%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOver-voltage, Over-current, Short-circuit Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural Convection (Fanless design)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Redundant Operation with Load Sharing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 × 130 × 146 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.8 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density 240W Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe PW481 delivers a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e240W output\u003c\/strong\u003e, providing ample power for fully-loaded DCS racks. This high capacity allows engineers to support extensive I\/O module configurations without requiring additional power injection points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Mechanical Wear:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing a fanless, natural convection cooling design, the PW481 removes the most frequent failure point in industrial power supplies—the cooling fan. This prevents the intake of corrosive dust and significantly increases the module’s Mean Time Between Failures (MTBF).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive-Active Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports dual redundant configurations. If one unit fails, the secondary module instantly assumes the full electrical load. This seamless failover prevents catastrophic system resets and maintains process continuity in 24\/7 manufacturing environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Grid Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal circuitry accepts a wide input range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100–240 V AC\u003c\/strong\u003e. This flexibility allows global standardization, enabling the same PW481 model to function across different regional power grids without the need for external transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Fault Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated protection circuits safeguard the sensitive CPU backplane. During an over-voltage or short-circuit event, the module isolates the fault, ensuring that electrical anomalies do not propagate to the system's logic processors or I\/O cards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the PW481 to replace an older PW401 or PW482?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PW481 is specific to the CENTUM VP and CS 3000 rack architecture. While it shares the 24V DC output profile with other models, always verify the backplane connector and rack model compatibility. It is not interchangeable with 24V DC input modules like the PW484.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the PW481 support hot-swapping during a live process?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided you have installed the module in a redundant rack configuration. You can replace a faulty PW481 without powering down the station, significantly reducing Mean Time to Repair (MTTR).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting precautions should I follow?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaintain the specified clearance around the rack to allow natural convection cooling. Ensure the control cabinet provides proper grounding and ventilation to prevent heat build-up, which can degrade the lifespan of the electrolytic capacitors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is \"Brand New\" condition critical for power modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower supplies contain capacitors that age over time. Used or \"New Old Stock\" units may have dried capacitors that fail under high thermal loads. A\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePW481 guarantees a full service life and the peak efficiency required for modern DCS stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43224974295130,"sku":"PW481","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/163_37dbbf9f-23bd-4fd1-9c7e-5e2905e59e49.jpg?v=1776391559","url":"https:\/\/www.spareoil.com\/products\/high-efficiency-240w-dcs-power-card-yokogawa-pw481","provider":"SpareOil Automation","version":"1.0","type":"link"}