1794-PS3

Overview

Allen-Bradley 1794-PS3 is a FLEX I/O power supply module designed to deliver reliable 24 V DC output for distributed control systems. It provides sufficient capacity to operate up to 10 adapter modules, making it suitable for powering an entire FLEX I/O installation.

Input Specifications

• Indicators: 1 green LED (power)

• Nominal supply voltage:

  • 120 V AC, 47–63 Hz, 1.4 A

  • 230 V AC, 47–63 Hz, 0.8 A

• Voltage range: 85–264 V AC

• Input current (max): 1.9 A

• Inrush current: 30 A, 1 AC cycle @ 264 V AC, 55 °C

• Interruption tolerance: Output remains within specification when input drops out for ½ cycle @ 47 Hz, 85 V AC with maximum load

Output Specifications

• Nominal output: +24 V DC

• Voltage regulation: 20.4–27.6 V DC (±15%, includes noise and 5% AC ripple)

• Output current (max):

  • 3 A (horizontal mount)

  • 2.8 A (all other mounting)

• Output power: 72 W

• Output ripple: ±5%, 1200 mV peak-to-peak maximum

• Minimum load: 50 mA

• Output surge capacity: Sufficient to drive 10 adapters

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