{"product_id":"24v-dc-output-dcs-power-supply-yokogawa-nfpw442-50","title":"24V DC Output DCS Power Supply | Yokogawa NFPW442-50","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa NFPW442-50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Style S2) serves as the primary energy conversion interface for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSTARDOM FCN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Field Control Node) Autonomous Controller and FCN-RTU systems. This compact, rack-mountable module transforms a wide range of AC input into precision-regulated 24V DC power, sustaining the CPU's logic processing and I\/O module communication. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNew \u0026amp; Original Factory Packing\u003c\/strong\u003e, ensuring your distributed control architecture utilizes factory-fresh components for mission-critical reliability in process automation.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: NFPW442 Series\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNFPW442:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBase Power Supply Module (100–240 V AC \/ 220–240 V AC support).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuffix -5:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard type designed for non-explosion environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuffix 0:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBasic type configuration for general industrial racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuffix 1 (Optional):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes ISA Standard G3 conformal coating for corrosive environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStyle S2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures the latest internal board layout for improved thermal management and higher transient suppression compared to older S1 versions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYokogawa Electric Corporation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNFPW442-50 (Style S2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100–240 V AC, 50\/60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24 V DC (Regulated ±1%)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Power:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e≥ 85%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCooling Method:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNatural Convection (Fanless design)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, supports 1:1 dual redundant operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 55 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.6 kg (Net) \/ 1.5 kg (Shipping)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 50 × 130 × 146 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eJapan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Thermal Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe NFPW442-50 utilizes a fanless, natural convection cooling design. By eliminating mechanical moving parts, Yokogawa removes the primary failure point found in lower-tier power supplies, preventing the intake of industrial dust and metallic particles into the circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen installed in pairs, these modules support active load sharing. If a primary power source fails or a module malfunctions, the redundant partner instantly assumes the full electrical load without a voltage dip, preventing catastrophic CPU resets or data loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace-Efficient 50W Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact width (approx. 50mm) allows for high-density deployments in small-scale control cabinets. This solves the industrial pain point of limited cabinet space in offshore platforms or remote wellhead telemetry stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Voltage Regulation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module maintains a strict 24V DC output across the entire 100–240V AC input spectrum. This precision protects sensitive analog I\/O modules from input fluctuations and ensures high-accuracy signal conversion for process instruments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Maintainability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDepending on your rack configuration, the NFPW442-50 supports hot-swapping. Maintenance personnel can replace a faulty power module while the controller remains live, eliminating the need for expensive plant shutdowns during routine maintenance.\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\u003eIs the NFPW442-50 compatible with the NFPW442-51?\u003c\/strong\u003eYes. The NFPW442-51 is functionally equivalent but includes the ISA Standard G3 option for protection against corrosive gases. You can often use the -51 as a high-spec replacement for the -50 in standard environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"Style S2\" designation?\u003c\/strong\u003eStyle S2 indicates an engineering revision that improves component longevity and thermal efficiency. It remains fully backward compatible with racks originally designed for Style S1 modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module power 24V field devices directly?\u003c\/strong\u003eWhile the NFPW442-50 provides regulated 24V DC, its primary role is to power the backplane and FCN-RTU hardware. For heavy field loads (valves, motors), we recommend a dedicated field power supply to prevent noise interference with the controller logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy must I purchase \"Brand New\" for a power module?\u003c\/strong\u003ePower modules contain electrolytic capacitors that dry out and degrade over time, even in storage. A\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNFPW442-50 guarantees a full chemical lifecycle and maximum efficiency, whereas pre-owned or \"new old stock\" units carry a significantly higher risk of premature failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43224979669082,"sku":"NFPW442-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/182._cc4b9e79-049a-4f3a-baf6-43ed986f2c28.jpg?v=1776391920","url":"https:\/\/www.spareoil.com\/products\/24v-dc-output-dcs-power-supply-yokogawa-nfpw442-50","provider":"SpareOil Automation","version":"1.0","type":"link"}