YOKOGAWA NFPW444-51 S2 POWER MODULE

Description:

The Yokogawa NFPW444-51 S2 Power Module is used in STARDOM FCN control systems to supply regulated 5 VDC system power and 24 VDC field power to CPU, I/O, and communication modules within PLC/DCS architectures. Commonly installed in industrial automation systems such as chemical plants, power generation, and process control environments where stable DC power is critical. Maintenance teams, OEMs, and system integrators use this module for system power distribution, replacement of failed power supplies, and ensuring continuous control system operation.

Applications:

The Yokogawa NFPW444-51 S2 is used in industrial control systems to provide stable DC power to control nodes and field I/O modules. It is commonly deployed in distributed control systems (DCS), manufacturing plants, oil & gas facilities, and process industries where uninterrupted operation is required. The module supports redundant configurations and hot-swappable operation, making it suitable for high-availability environments where downtime must be minimized. 

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: NFPW444-51 S2
• Product Type: Power Supply Module (PLC / DCS)
• Input Voltage: 24 VDC
• Input Voltage Range: 21.6 to 31.2 VDC
• Input Current: Max. 3.3 A
• Output Voltage: +5.1 VDC system power
• Output Current: Up to 7.8 A (5 VDC output)
• Peak Output Current: Up to 11.8 A
• Total Output Power: Approx. 40 W (60 W peak)
• Field Power Output: 24 VDC for analog I/O modules
• Protection: Overcurrent, overvoltage, and short-circuit protection
• Insulation Resistance: ≥50 MΩ at 500 VDC
• Withstand Voltage: 500 VAC for 1 minute
• Mounting: Compatible with NFBU050 and NFBU200 base modules
• Redundancy: Supports redundant (duplex) configurations
• Weight: Approx. 0.24–0.3 kg
• Application Environment: Industrial automation and process control systems

Common Replacements:

• Yokogawa NFPW426 Power Module
• Yokogawa NFPW442 Power Module
• Yokogawa SPW482 Power Supply Module