Overview

The Yokogawa NFPW442-50 is a versatile power supply module designed for use in industrial control systems. It provides reliable power to connected devices, ensuring stable operation even in demanding environments.

Technical Specifications

• Power Supply Input:

  • Rated Input Voltage: 220 to 240 V AC
  • Input Voltage Range: 170 to 264 V AC (rms)
  • Input Frequency: 47 to 66 Hz (Rating: 50/60 Hz)
  • Input Current: Max. 0.7 A
  • Fuse Rating: 3.15 A
  • Rush Current: Max. 90 A for 5 ms or less
  • Leak Current: Max. 1 mA
  • Withstanding Voltage: 500 V AC for 1 minute
  • Insulation Resistance: 50 MΩ at 500 V DC
  • Insensitive Momentary Power-Failure Time: 2 ms (90%)

• Output:

  • Rated Output Voltage: +5.1 V DC
  • Rated Output Current: 0 to 7.8 A
  • Peak Current: 11.8 A
  • Total Output: 40 W (60 W peak)
  • Startup Time After Power-On: Max. 100 ms (after a power failure of 200 ms long with the rated input)
  • Overvoltage Protection: Max. 7 V
  • Overcurrent Protection: Min. 105% (shutdown after 4 to 14 seconds long overcurrent)

• Analog Field Power Supply:

  • Input:
    • Rated Input Voltage: 24 V DC ±10%
    • Input Current: Max. 4 A
    • Fuse Rating: 6.3 A
  • Output:
    • Rated Output Voltage: Input voltage minus matching-diode drop
    • Rated Output Current: 4 A
    • Overvoltage Protection: 35 V

• Duplex Configuration: Possible (when installed on base module NFBU200)

• Physical:

  • Weight: 0.6 kg
  • Dimensions (W x H x D):
    • Width: 49.7 mm
    • Height: 130 mm
    • Depth: 146.5 mm