NFPW442-50

Overview

NFPW442-50 is a Yokogawa power supply module designed for 220–240 V AC input, providing reliable DC output with built-in protection features.

Input Specifications

• Rated Input Voltage: 220 to 240 V AC

• Input Voltage Range: 170 to 264 V AC (rms)

• Input Frequency: 47 to 66 Hz (rated 50/60 Hz)

• Max Input Current: 0.7 A

• Fuse Rating: 3.15 A

• Inrush Current: Max 90 A (for 5 ms or less)

• Leakage 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%)

Output Specifications

• Output Voltage: +5.1 V DC

• Output Current: 0 to 7.8 A

• Peak Current: 11.8 A

• Total Output Power: 40 W (60 W peak)

• Startup Time: Max 300 ms

• Power Failure Recovery Time: Max 100 ms (after 200 ms power failure)

Protection Features

• Overvoltage Protection: Max 7 V

• Overcurrent Protection: Minimum 105% (shutdown after 4 to 14 seconds of overcurrent)

Model Suffix Codes

• -5: Standard type, no explosion protection

• 0: Basic type

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