{"product_id":"pw481-50-yokogawa-centum-dcs-ac-power-supply-module","title":"PW481-50 | Yokogawa CENTUM DCS | AC Power Supply Module","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance AC power supply unit engineered for Yokogawa’s Distributed Control Systems (DCS). This module serves as a direct, upgraded replacement for the legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-10\u003c\/strong\u003e, offering enhanced electrical stability and improved thermal efficiency for Field Control Units (FCU). It is designed to convert wide-range AC utility power into the stabilized DC voltages necessary to drive the system backplane, processor cards, and I\/O interface modules.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-availability industrial environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures a robust internal filtration system that shields sensitive control logic from line noise and voltage transients. Its heavy-duty chassis is optimized for the physical rigors of control cabinet mounting, ensuring consistent power delivery in 24\/7 process industries such as petrochemical refining and power generation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Yokogawa Electric Corporation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Compatibility\u003c\/strong\u003e: Direct replacement for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-10\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: Auto-ranging 100-120 VAC \/ 220-240 VAC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e: 50\/60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Voltage Rails\u003c\/strong\u003e: Regulated +12 VDC and +24 VDC (System dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Footprint\u003c\/strong\u003e: 11 cm (W) x 28 cm (D) x 26 cm (H)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 3.6 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e: Natural convection \/ Internal heat dissipation design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Dedicated PSU slot within Yokogawa Field Control Units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSystem Integration \u0026amp; Upgrade Path\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the preferred choice for facilities undergoing system lifecycle management. By replacing aging\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-10\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e, engineers can improve the overall MTBF (Mean Time Between Failures) of their control racks. The module is fully compatible with existing rack backplanes, requiring no additional wiring modifications for most standard CENTUM configurations.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the PW481-50 be used in a redundant power configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for use in dual-redundant setups. In a standard Yokogawa FCU, two modules work in parallel to share the load; if one fails, the remaining unit immediately assumes the full load without interrupting the process control intelligence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary differences between the PW481-50 and the older PW481-10?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the form factor remains identical for compatibility, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePW481-50 (PW481-50)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes modernized internal components that offer better resistance to heat and improved power factor correction, making it a more reliable and energy-efficient solution for modern DCS cabinets.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53022320132280,"sku":"PW481-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/PW481-50_e8c08c71-f525-4736-a582-4bddfb4ac636.jpg?v=1773742830","url":"https:\/\/www.globalpetroparts.com\/products\/pw481-50-yokogawa-centum-dcs-ac-power-supply-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}