{"product_id":"nfpw442-10-yokogawa-prosafe-rs-ac-dc-power-module","title":"NFPW442-10 Yokogawa ProSafe-RS AC\/DC Power Module","description":"\u003ch2\u003eYokogawa NFPW442-10 ProSafe-RS Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for stable system power conversion in ProSafe-RS Safety Control Stations, the \u003cstrong\u003eYokogawa NFPW442-10\u003c\/strong\u003e (\u003cstrong\u003eNFPW442\u003c\/strong\u003e Power Supply Module) provides direct physical\/electrical execution. The hardware regulates field and logic power levels to prevent unexpected safety system shut downs during line transients. It delivers steady power distribution directly across the backplane to support safety controllers, logic solvers, and critical subrack I\/O channels.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC Input Voltage Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e220-240 V AC Input Voltage Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eStandard Type Without Explosion Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\/C3GB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConformal Coating for Harsh Environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eNFPW442-10\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e88 x 50 x 63 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e96 W Output Power Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC regulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e4 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 85% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 50 mV RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between input, output, and frame ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eDual-redundant parallel operation supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Indicators\u003c\/td\u003e\n\u003ctd\u003eFront panel LEDs + backplane fault signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Galvanic Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa NFPW442-10 incorporates industrial galvanic isolation between the AC primary line circuits and the regulated 24 V DC secondary output buses. This isolation barrier prevents ground loops, common-mode noise propagation, and high-voltage field spikes from reaching sensitive logic components within the ProSafe-RS subrack. When deployed in dual-redundant configurations, integrated decoupling circuitry isolates individual power supply failures from the shared 24 V DC power bus, ensuring continuous controller operation without backfeeding fault currents into parallel units.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the NFPW442-10 module be hot-swapped while the ProSafe-RS system is powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes. When installed in a dual-redundant power configuration, a failed NFPW442-10 module can be extracted and replaced while the online supply maintains the 24 V DC subrack load without interrupting active safety logic execution.\u003c\/p\u003e\n\u003cp\u003eQ: How does the power supply communicate operational faults to the control system?\u003c\/p\u003e\n\u003cp\u003eA: The module features front-panel diagnostic LEDs for local power and fault status checks. Internal fault monitoring circuitry reports hardware overvoltage, overcurrent, and thermal alarm states across the dedicated backplane lines to trigger system alarms in the SCS controller interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the subrack power bus slot is free of dust and debris before sliding the module into the subrack guide rails.\u003c\/li\u003e\n\u003cli\u003ePush the module firmly into the chassis until the rear connector seats completely into the backplane, then hand-tighten the top and bottom retaining screws to secure the unit and establish frame grounding.\u003c\/li\u003e\n\u003cli\u003eTerminate primary AC field wiring using insulated ferrules on the dedicated subrack terminal block, verifying correct line, neutral, and protective earth earth wiring polarity before applying power.\u003c\/li\u003e\n\u003cli\u003eVerify field cable shielding terminates at the cabinet main earth bar, maintaining proper ground separation to minimize high-frequency electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43787137384538,"sku":"NFPW 442-10","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/713..jpg?v=1785891690","url":"https:\/\/www.spareoil.com\/ar\/products\/nfpw442-10-yokogawa-prosafe-rs-ac-dc-power-module","provider":"SpareOil Automation","version":"1.0","type":"link"}