{"product_id":"yokogawa-nfpw442-50-power-supply","title":"YOKOGAWA NFPW442-50 Power Supply","description":"\u003cp\u003eConfigured for high-efficiency DC voltage conversion in STARDOM control station nodes, the \u003cstrong\u003eYokogawa NFPW442-50\u003c\/strong\u003e (\u003cstrong\u003eNFPW442\u003c\/strong\u003e Power Supply Module) provides direct physical\/electrical execution. It transforms 220 to 240 V AC mains input into a regulated +5.1 V DC output rail required to energize internal backplane buses and system controller electronics.\u003c\/p\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\u003eNFPW442-50\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\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e49.7 mm x 130 mm x 146.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTotal output 40 W (60 W peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e220 to 240 V AC (170 to 264 V AC rms range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47 to 66 Hz (50\/60 Hz nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Current\u003c\/td\u003e\n\u003ctd\u003e0.7 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e90 A for 5 ms or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Voltage\u003c\/td\u003e\n\u003ctd\u003e+5.1 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Current\u003c\/td\u003e\n\u003ctd\u003e0 to 7.8 A (Peak 11.8 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Limits\u003c\/td\u003e\n\u003ctd\u003eOvervoltage max 7 V; Overcurrent shutdown min 105% after 4 to 14 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe NFPW442-50 incorporates internal galvanic isolation and filtering to prevent line noise and high-voltage surges from coupling onto the internal backplane bus. By maintaining an insulation resistance of 50 MΩ at 500 V DC and standard withstanding voltage limits of 500 V AC for 1 minute, the module insulates control processing units from AC supply fluctuations. This isolated supply foundation prevents ground loops and electrical interference from degrading signals on adjacent analog I\/O cards and 4-20 mA HART loop communication circuits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How quickly does the NFPW442-50 establish stable output voltage upon mains power energization?\u003c\/p\u003e\n\u003cp\u003eA: The NFPW442-50 achieves nominal output voltage stability within a startup time of maximum 100 ms following AC power application.\u003c\/p\u003e\n\u003cp\u003eQ: What protection behavior occurs if an overcurrent condition persists on the output rail?\u003c\/p\u003e\n\u003cp\u003eA: The module triggers overcurrent protection when output load exceeds a minimum of 105%, initiating automatic output shutdown after 4 to 14 seconds of sustained overcurrent.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure input power cables are de-energized prior to inserting or removing the NFPW442-50 from the STARDOM node chassis slot.\u003c\/li\u003e\n\u003cli\u003eConfirm the main system earth ground is securely bonded to the chassis grounding point to preserve the 500 V AC dielectric isolation capability.\u003c\/li\u003e\n\u003cli\u003eRoute incoming AC power leads separately from sensitive low-voltage instrumentation and field signal cabling within cabinet wire channels.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52608893714712,"sku":"NFPW442-50","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/NFSB100-S50_2_c342188a-f626-4884-973e-66c3900d2af6.jpg?v=1788426079","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-nfpw442-50-power-supply","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}