{"product_id":"yokogawa-nfpw442-50-power-supply-module-220-240v-ac-for-centum-systems","title":"Yokogawa NFPW442-50 Power Supply Module 220-240V AC for CENTUM Systems","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Yokogawa NFPW442-50 serves as a cornerstone of system stability within industrial control architectures. This high-efficiency power supply module converts standard 220–240 V AC line voltage into a regulated +5.1 V DC output, providing the essential energy required for I\/O modules and processor units. Designed for continuous duty in mission-critical environments, the NFPW442-50 safeguards against power fluctuations and momentary failures, ensuring that distributed control systems remain operational even during grid instability.\u003c\/p\u003e\n\u003cp\u003eThis module incorporates sophisticated circuitry to handle high inrush currents and provides isolated power to prevent electrical noise from compromising sensitive logic signals. By maintaining a steady current flow of up to 7.8 A, the NFPW442-50 supports high-density hardware configurations, ensuring that your automated processes—from chemical reactors to power plant turbines—run without interruption. Its robust build quality reflects Yokogawa’s commitment to long-term reliability and system integrity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003cp\u003eThe suffix codes for the NFPW442-50 define its operational standards and structural type, ensuring it aligns with specific cabinet requirements.\u003c\/p\u003e\n\u003ch3\u003eSuffix Code Analysis\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e-5: Standard Type Execution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"5\" designation indicates the standard hardware configuration. This version provides the full range of electrical protections (overvoltage and overcurrent) but does not include specialized explosion-proof certifications. It is the primary choice for standard control room environments and non-hazardous areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e0: Basic Type Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"0\" digit specifies the basic functional type. This identifies the module as a standard power unit without auxiliary monitoring features or non-standard voltage outputs, making it highly compatible with universal CENTUM backplanes and ensuring straightforward replacement during maintenance cycles.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\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\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\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e170 to 264 V AC (47 to 66 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRated Output Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+5.1 V DC\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\u003e0 to 7.8 A (Peak 11.8 A)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Power Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 W (60 W Peak)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInrush Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 90 A (at 5 ms or less)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3,000 V AC for 1 minute\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 MΩ @ 500 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e130 x 48.4 x 128 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\u003e0.85 kg (1.87 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Failure Ride-through\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ms (at 80% load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStartup Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 300 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Considerations\u003c\/h2\u003e\n\u003cp\u003eFor optimal performance and safety, follow these engineering guidelines during the installation of the NFPW442-50:\u003c\/p\u003e\n\u003ch3\u003ePower Input and Fusing\u003c\/h3\u003e\n\u003cp\u003eThe module utilizes a 3.15 A internal fuse. Ensure that external branch circuit protection matches these requirements to prevent cascading electrical failures. Always verify that the input voltage remains within the 170–264 V AC window to avoid triggering internal thermal protection.\u003c\/p\u003e\n\u003ch3\u003eThermal Management and Airflow\u003c\/h3\u003e\n\u003cp\u003eInstall the module vertically to facilitate natural convection. Maintain at least 50mm of clearance above and below the power supply rack. In high-temperature environments (exceeding 50°C), implement forced-air cooling to prevent the overcurrent protection from shutting down the system prematurely due to thermal stress.\u003c\/p\u003e\n\u003ch3\u003eGrounding and Insulation\u003c\/h3\u003e\n\u003cp\u003eConnect the protective earth (PE) terminal to a low-impedance ground bus. The NFPW442-50 provides 3000 V AC isolation between input and system circuitry, but this protection only functions correctly when the system frame is properly grounded to mitigate common-mode noise.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFault Tolerance and Resilience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NFPW442-50 features a 10ms momentary power-failure ride-through capability. This allows the system to remain \"live\" during minor voltage dips or grid switching, preventing unnecessary system reboots and expensive process downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Protection Circuitry\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIntegrated overvoltage and overcurrent protections act as a shield for the entire I\/O rack. If the output voltage exceeds 7 V, the module shuts down instantly to protect expensive downstream modules. The intelligent overcurrent recovery logic allows the system to recover automatically from transient spikes after a 200ms stabilization period.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade Durability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt with high-grade industrial capacitors and heavy-duty transformers, this module withstands the electrical noise and vibration typical of industrial substations and heavy manufacturing plants.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDelivery and Logistics\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3-5 business days after payment is finalized.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpress Shipping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe ship via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDHL, FEDEX, and UPS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor global coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Guarantee:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery unit is shipped in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoriginal factory-sealed box\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a comprehensive inspection report.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What happens if the output current exceeds 7.8 A for a long duration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The module will enter overcurrent protection mode. It will continue to operate for 4 to 14 seconds to handle transient surges, but will then shut down to prevent internal component damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this module require a specific rack type?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The NFPW442-50 is designed for Yokogawa’s standard power supply slots in various I\/O units. Ensure your backplane supports the 50-series suffix for proper physical and electrical alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can I use this power supply in a 110 V AC environment?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: No. The NFPW442-50 is specifically rated for 220–240 V AC input. For 110 V environments, you must use the 100-120 V AC version (such as the NFPW441) to ensure proper voltage regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How do I verify if the module is functioning correctly without software?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: You can measure the voltage between the +5V and GND terminals on the backplane; it should read consistently between 5.0 V and 5.2 V DC. Most racks also feature a \"Ready\" LED that illuminates when the output is stable.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45910065905837,"sku":"NFPW442-50","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/NFPW442-50-1.jpg?v=1776220517","url":"https:\/\/www.maxwellplc.com\/products\/yokogawa-nfpw442-50-power-supply-module-220-240v-ac-for-centum-systems","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}