NFPW442-51 | Yokogawa Power Supply Module

The Yokogawa NFPW442-51 is a power supply module designed to support industrial automation systems with reliable power input and output. This model operates on a 220-240 V AC input and provides a regulated DC output to meet system demands. It also supports duplex configuration when installed on a base module.

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 (50/60 Hz rating)
• Input Current: Max. 0.7 A
• Fuse Rating: 3.15 A
• Inrush Current: Max. 90 A for less than 5 ms
• Leak Current: Max. 1 mA
• Withstanding Voltage: 3000 V AC for 1 minute
• Insulation Resistance: 50 MΩ at 500 V DC
• Insensitive Momentary Power-Failure Time: 10 ms (80%)

Power Supply Output

• Rated Output Voltage: +5.1 V DC
• Rated Output Current: 0 to 7.8 A
• Peak Current: 11.8 A
• Total Output Power: 40 W (60 W peak)
• Startup Time After Power-On:
  • Max. 300 ms
  • Max. 100 ms after a 200 ms power failure with rated input
• Overvoltage Protection: Max. 7 V
• Overcurrent Protection: Min. 105% (shuts down after 4 to 14 seconds of 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 Specifications

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

Model and Suffix Codes

• Model: NFPW442-51
• Suffix Codes:
  • -5: Standard type with no explosion protection
  • 1: With ISA Standard G3 option (for environmental durability)

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