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1794-PS3

1794-PS3 Allen-Bradley Flex I/O Power Supply 24VDC 3A

In stock (26 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1794-PS3

  • Product Type: Power Supply

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 450g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Allen-Bradley 1794-PS3 Flex I/O Power Supply

Product Overview

The Allen-Bradley 1794-PS3 is a Flex I/O power supply module providing 24 VDC nominal output at 3 A (horizontal mounting) or 2.8 A (other mountings) with 72 W output power. It accepts 85-264 VAC input (47-63 Hz) and delivers sufficient surge to drive up to 10 adapters. The module features 2500 VDC isolation and 40 A typical inrush current. Weight is 0.45 kg.

Specifications

Parameter Value
Brand Allen-Bradley / Rockwell Automation
Model 1794-PS3
Product Family Flex I/O System
Product Type Flex I/O DC Power Supply Module
Input Voltage Range 85-264 VAC
Input Frequency Range 47-63 Hz
Nominal Input Voltage 120 VAC (1.7 A max) / 230 VAC (1.1 A max)
Maximum Input Current 1.9 A
Inrush Current 40 A Typical, 1 AC Cycle @ 265 VAC, 55 °C
Output Voltage 24 VDC Nominal
Output Voltage Range 20.4-27.6 VDC
Output Current (Horizontal) 3 A
Output Current (Other) 2.8 A
Output Power 72 W
Output Surge Sufficient to Drive 10 Adapters
Output Ripple 1200 mV Peak-to-Peak (±5%)
Overcurrent Protection 3.2 A
Overvoltage Protection 35 VDC
Isolation Voltage 2500 VDC
Minimum Load 50 mA
Leakage Current 0.5 mA RMS Max
Power Dissipation 12 W Max
Thermal Dissipation 41.0 BTU/hr
Hold-Up Time 1/2 Cycle @ 47 Hz, 85 VAC, Max Load
Input Power 86 W
Max Apparent Input Power 205 VA
Max Transformer Load 250 VA
Dimensions (H x W x D) 3.7 x 2.7 x 3.4 in
Enclosure Type Open Style
Mounting DIN Rail or Panel Mount (Horizontal/Vertical)
Operating Temperature 0 to +55 °C
Operating Shock 30g
Operating Vibration 5g @ 10-500 Hz
Weight 0.45 kg
UPC 10612598206626

Key Features

  • Wide input voltage range 85-264 VAC, 47-63 Hz
  • 24 VDC nominal output at 3 A (horizontal) or 2.8 A (other mountings)
  • 72 W output power with 1200 mV peak-to-peak ripple
  • Output surge sufficient to drive up to 10 adapters
  • 2500 VDC isolation between AC input and DC output
  • 40 A typical inrush current handling
  • 3.2 A overcurrent protection and 35 VDC overvoltage protection
  • Hold-up time of 1/2 cycle at 47 Hz, 85 VAC with max load
  • DIN rail or panel mount in horizontal or vertical orientation
  • 30g operating shock and 5g vibration resistance

Installation Notes

Mount the power supply using DIN rail or panel mount in horizontal or vertical orientation. Horizontal mounting allows 3 A output current, while other orientations support 2.8 A. Connect 85-264 VAC input at 47-63 Hz. The output provides 24 VDC nominal to power Flex I/O modules and adapters. Maintain minimum load of 50 mA. The unit supports up to 10 Flex I/O adapters through its output surge capability. Maintain operating temperature between 0 and +55 °C. Ensure proper isolation between DC output terminals and AC input terminals.

FAQs

Q1: What is the output power of the 1794-PS3?

A1: 72 W with 3 A output current at horizontal mounting or 2.8 A at other mountings.

Q2: How many adapters can this power supply drive?

A2: Output surge is sufficient to drive up to 10 Flex I/O adapters.

Q3: What is the inrush current rating?

A3: 40 A typical for 1 AC cycle at 265 VAC and 55 °C.

Product Resources

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Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

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