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Allen-Bradley 1771-P4R Redundant Power Supply

Allen-Bradley 1771-P4R Redundant Power Supply

  • Manufacturer: Allen-Bradley

  • Product No.: 1771-P4R

  • Condition:1000 in stock

  • Product Type: Redundant Power Supply

  • Product Origin: USA

  • Payment: T/T, Western Union

  • Weight: 840g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
  • Fast Shipping

Allen-Bradley 1771-P4R Redundant Power Supply

The Allen-Bradley 1771-P4R is a redundant power supply module designed for use in Allen-Bradley PLC-5 I/O chassis. It provides a stable 5V DC output and supports N+1 redundancy for enhanced system reliability.


Technical Specifications

Input Characteristics

Attribute 1771-P4R 1771-P6R
Input Voltage 120V AC 220V AC
Input Voltage Range 97–132V AC RMS 194–264V AC RMS
Frequency 47–63 Hz 47–63 Hz
Fuse 1.5A, 250V Slow-Blow 1.5A, 250V Slow-Blow

Output Characteristics

Attribute Specification
Output Voltage 5V DC
Output Current 8A
Maximum System Output Current @ 60°C (N+1 Redundancy) 8A (2-unit system)
14A (3-unit system)
20A (4-unit system)

Physical & Wiring Specifications

Attribute Specification
Size 1 I/O slot per module
Weight 2 lbs (0.84 kg)
Wire Size 14 AWG maximum (single wire only)
Wire Category 21
Wiring Blocks AC Power: A-B Part No. 941274-05 (Wago PN 231-205/000-008)
Relay: A-B Part No. 941274-03 (Wago PN 231-203/000-008)

Environmental Specifications

Attribute Specification
Operating Temperature 0 to 60°C (32 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Relative Humidity 5 to 95% (non-condensing)

Alarm Relay Rating

Attribute Specification
Alarm Relay Voltage 250V AC
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Product Description

Allen-Bradley 1771-P4R Redundant Power Supply

The Allen-Bradley 1771-P4R is a redundant power supply module designed for use in Allen-Bradley PLC-5 I/O chassis. It provides a stable 5V DC output and supports N+1 redundancy for enhanced system reliability.


Technical Specifications

Input Characteristics

Attribute 1771-P4R 1771-P6R
Input Voltage 120V AC 220V AC
Input Voltage Range 97–132V AC RMS 194–264V AC RMS
Frequency 47–63 Hz 47–63 Hz
Fuse 1.5A, 250V Slow-Blow 1.5A, 250V Slow-Blow

Output Characteristics

Attribute Specification
Output Voltage 5V DC
Output Current 8A
Maximum System Output Current @ 60°C (N+1 Redundancy) 8A (2-unit system)
14A (3-unit system)
20A (4-unit system)

Physical & Wiring Specifications

Attribute Specification
Size 1 I/O slot per module
Weight 2 lbs (0.84 kg)
Wire Size 14 AWG maximum (single wire only)
Wire Category 21
Wiring Blocks AC Power: A-B Part No. 941274-05 (Wago PN 231-205/000-008)
Relay: A-B Part No. 941274-03 (Wago PN 231-203/000-008)

Environmental Specifications

Attribute Specification
Operating Temperature 0 to 60°C (32 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Relative Humidity 5 to 95% (non-condensing)

Alarm Relay Rating

Attribute Specification
Alarm Relay Voltage 250V AC

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