{"product_id":"pw301-s3-yokogawa-100-240v-ac-input-power-supply-japan","title":"PW301-S3 Yokogawa | 100-240V AC Input Power Supply | Japan","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa PW301-S3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-output power backbone for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control Systems (DCS) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented Systems (SIS). This module converts universal AC mains into a precision-regulated 24V DC rail, providing the 288W capacity required for mission-critical CPUs and high-density I\/O clusters. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your facility utilizes the latest Style S3 engineering revisions for maximum electrical stability and fault tolerance.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: PW301 Series\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePW301:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBase Model: High-Capacity Industrial Power Supply Module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStyle 3 Revision: Features upgraded fan-assisted cooling and enhanced transient protection circuits for superior longevity over S1\/S2 versions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\u003ePW301-S3\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 Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 Amps (Continuous)\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\u003e288 Watts\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\u003eUp to 90%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports Dual Redundant Operation\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\u003eFan-assisted Cooling\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–10 °C to +60 °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\u003e279 × 102 × 279 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\u003e3.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\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-Current 12A Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe PW301-S3 delivers a powerful\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 Amp continuous current\u003c\/strong\u003e, making it the ideal choice for powering multi-rack DCS nodes and power-hungry communication modules. This high wattage eliminates the need for multiple smaller power supplies, simplifying cabinet wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive Redundancy for SIS Applications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for fault-tolerant architectures, this module supports 1:1 redundancy. In critical\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety loops, the PW301-S3 ensures that a single power source failure never results in a safety trip or process shutdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Thermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike fanless modules, the PW301-S3 utilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efan-assisted cooling\u003c\/strong\u003e. This active airflow allows the module to maintain a high 288W output even in ambient temperatures up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+60 °C\u003c\/strong\u003e, preventing the thermal throttling often seen in passive units within crowded control panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrid-Independent Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe advanced internal regulation circuitry maintains a strict 24V DC output despite wide fluctuations in input voltage (\u003cstrong\u003e100–240V AC\u003c\/strong\u003e). This protects sensitive logic processors from brownouts, surges, and electrical noise typical of heavy industrial grids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFail-Safe Circuitry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated over-voltage and over-current protection mechanisms safeguard your multi-million dollar CPU and I\/O hardware. In the event of a field-side short circuit, the module isolates the fault to prevent damage to the backplane.\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 the PW301-S3 be used in place of an older PW301 Style S1?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The Style S3 revision maintains full mechanical and electrical backward compatibility with previous PW301 versions. It offers improved efficiency and better thermal performance, making it a superior replacement for maintenance and upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the redundancy failover function?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen installed in a redundant pair, the modules share the load. If one unit fails, the internal diode-ORing circuitry allows the healthy module to assume the full 12A load instantaneously without a voltage dip, keeping the DCS or SIS fully operational.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the specific mounting requirements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PW301-S3 supports both rack and DIN rail mounting. Because this module uses fan-assisted cooling, you must ensure that the intake and exhaust vents remain unobstructed by cables or adjacent modules to prevent heat buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is \"Brand New\" condition mandatory for this specific module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PW301-S3 is often deployed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSafety Instrumented Systems (SIS)\u003c\/strong\u003e. Used or \"refurbished\" modules may have internal fans near the end of their bearing life or capacitors with reduced ripple-filtering capability. A\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit ensures the hardware meets its certified reliability metrics for critical safety functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43224983928922,"sku":"PW301 S3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/222._39eb2691-017e-4d5a-9201-4519c9d24a21.jpg?v=1776392388","url":"https:\/\/www.spareoil.com\/products\/pw301-s3-yokogawa-100-240v-ac-input-power-supply-japan","provider":"SpareOil Automation","version":"1.0","type":"link"}