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POWER SUPPLY

Allen Bradley 1794-PS3 FLEX I/O Power Supply Module 85-264VAC to 24VDC, 3A

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  • Brand: Allen Bradley (Rockwell Automation)
  • Part Number: 1794-PS3
  • Product Type: FLEX I/O Power Supply Module
  • Series: 1794 FLEX I/O
  • Input Voltage Range: 85-264V AC
  • Nominal Input Voltage: 120/230V AC, 50/60 Hz
  • Output Voltage: 24V DC
  • Output Current: 3A (horizontal), 2.8A (other mounting)
  • Output Power: 72 Watts
  • Input Frequency: 47–63 Hz
  • Maximum Input Current: 1.9A
  • Overcurrent Protection: 3.2A
  • Thermal Dissipation: 41.0 BTU/hr
  • Mounting: DIN Rail / Panel Mount
  • Isolation Voltage: 2500V DC
  • Operating Temperature: 0°C to +55°C
  • Application: FLEX I/O Backplane Power Supply
  • Indicator: Green Power Status LED
  • Minimum Load: 50 mA
  • Output Voltage Range: 20.4–27.6V DC

  • Wide input range 85-264VAC for global applications
  • Provides stable 24VDC output for FLEX I/O modules
  • 3A output current for powering multiple I/O modules
  • DIN rail mounting for easy installation
  • Built-in overcurrent and overvoltage protection
  • Powers up to 10 FLEX I/O adapters
  • Compact industrial design
  • High reliability for automation systems
  • LED power status indicator
  • Industrial-grade isolation protection
Brand ALLEN BRADLEY
Category POWER SUPPLY
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The Allen Bradley 1794-PS3 is a FLEX I/O power supply module designed to provide reliable backplane power for distributed I/O systems. This industrial power supply accepts a wide input voltage range of 85-264VAC and converts it to regulated 24VDC output for FLEX I/O modules and adapters.

The 1794-PS3 delivers up to 3A output current in horizontal mounting and 2.8A in other orientations, with total output power of 72W. It features built-in overcurrent protection, thermal protection, and stable voltage regulation to ensure consistent performance in demanding industrial automation environments.

This module is commonly used in PLC systems, distributed I/O architectures, process automation, manufacturing lines, and machine control panels. The compact DIN-rail mountable design allows easy installation and maintenance while supporting up to ten FLEX I/O adapters

  • Manufacturer: Rockwell Automation
  • Product Family: FLEX I/O
  • Module Type: Power Supply
  • Output Type: DC
  • Input Type: AC
  • Mounting Orientation: Horizontal / Vertical
  • Output Ripple: 1200 mV peak-to-peak
  • Inrush Current: 30A typical
  • Enclosure Type: Open Style
  • Dimensions: Approx. 3.7 x 2.7 x 3.4 in
  • Power Dissipation: 12W
  • Hold-up Time: 1/2 cycle at full load
  • Certifications: UL Listed, Industrial Rated
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