{"product_id":"power-supply-module-yokogawa-pw302-s4-pw302-centum","title":"Power Supply Module | Yokogawa PW302-S4 PW302 CENTUM","description":"\u003ch2\u003eYokogawa PW302-S4 Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PW302-S4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW302\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for 220-240 VAC to 24 VDC power conversion and system bus distribution within CENTUM CS and CENTUM VP Field Control Stations.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model (PW302):\u003c\/strong\u003e Standard Yokogawa AC\/DC System Power Supply Module designed for Field Control Station (FCS) chassis slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle Code (-S4):\u003c\/strong\u003e Hardware revision designator specifying internal circuit component baselines and backplane edge-connector pin layout configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePW302-S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.2 x 27.9 x 25.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e300 W output capacity (efficiency \u0026gt;= 90-92% typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e220-240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Factor\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-module hot-standby capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Protection\u003c\/td\u003e\n\u003ctd\u003eOvervoltage, overcurrent, and short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation \u0026amp; Fieldbus Loop Power Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe PW302-S4 features galvanic isolation between the primary AC line input and secondary 24 VDC output buses to suppress electrical noise propagation into internal logic cards and field communication lines. By delivering low-ripple DC power directly to the backplane, the unit maintains voltage stability for connected 4-20 mA HART loops and FOUNDATION Fieldbus segments, protecting analogue signal channels against ground loop interference across the control node.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can a failed PW302-S4 module be replaced while the control system remains energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes, hot-swapping is supported provided the Field Control Station rack utilizes a dual-redundant power configuration where the parallel power module carries the operational load.\u003c\/p\u003e\n\u003cp\u003eQ: What primary wiring precautions must be taken for the 220-240 VAC input connections?\u003c\/p\u003e\n\u003cp\u003eA: Connect the AC power conductors to the dedicated terminal assembly and ensure a low-impedance ground conductor secures directly to the chassis protective earth bolt before energizing the feeder circuit.\u003c\/p\u003e\n\u003cp\u003eQ: Does the PW302-S4 require external active cooling fan units inside the rack?\u003c\/p\u003e\n\u003cp\u003eA: No, the module relies on internal thermal dissipation design, but proper vertical cabinet ventilation paths must remain unblocked to prevent heat buildup around internal power components.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower Disconnection: De-energize primary AC feeder lines prior to landing supply conductors on the module input terminal block, except when performing a live hot-swap under verified dual-redundant operating conditions.\u003c\/li\u003e\n\u003cli\u003eSlot Engagement: Align the module frame with the card guides of the dedicated Field Control Station power supply slot. Slide the unit inward until the rear heavy-duty connector mates firmly with the backplane power bus.\u003c\/li\u003e\n\u003cli\u003eMechanical Securing: Tighten the top and bottom retaining screws to hold the module in position and maintain earth ground continuity between the module chassis and the rack frame.\u003c\/li\u003e\n\u003cli\u003eShielding and Clearance: Route AC mains cables away from sensitive DC signal lines and fieldbus communication trunks. Maintain required air gap clearances above and below the card cage for natural thermal airflow.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43859506724954,"sku":"PW302-S4","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/44_0781016c-f49e-48bb-993e-b2b0c0ad95ba.jpg?v=1787016236","url":"https:\/\/www.spareoil.com\/ar\/products\/power-supply-module-yokogawa-pw302-s4-pw302-centum","provider":"SpareOil Automation","version":"1.0","type":"link"}