Allen-Bradley 1771-P4S 5V DC Output PLC 5 Power Module

Overview

The 1771-P4S is an Allen-Bradley PLC 5 power supply module designed to provide stable 5VDC power for 1771 series I/O systems. Compact and reliable, this module is intended for use in single-slot 1771 chassis applications and ensures consistent performance across a range of industrial environments.

Technical Specifications

• Model: 1771-P4S

• Manufacturer: Allen-Bradley

• Product Type: PLC 5 Power Supply Module

• Input Voltage Range: 97–132 VAC

• Nominal Input Voltage: 120 VAC

• Input Frequency: 47–63 Hz

• Maximum Output Current: 8 A

• Output Voltage: 5 VDC

• Module Width: 1 slot

• Backplane Output Current: 8 A at 5 VDC

• Fuse: 1.5 A, 250 V, slow-blow

• Terminal Block: 5-position; compatible with A/B P/N 941274-05 and Wago P/N 231-205/000-008

• Maximum Real Input Power: 59 W

• Maximum Apparent Input Power: 89 VA

• Maximum Former Load: 148 VA

• Wire Size: 14 AWG max for single wire connections

• Paralleled Modules: Supports -LSP, -LWP, -XP, -ZP, -P4S

• Installation Location: 1771 chassis, 1 slot

• Weight: 1.94 lbs (0.88 kg)

Features

• Provides regulated 5 VDC output for 1771 series I/O modules

• Single-slot design allows compact integration into PLC 5 chassis

• Built-in slow-blow fuse ensures overload protection

• Compatible with standard 1771 cabling and terminal blocks

• Reliable operation for industrial control and automation systems

Applications

Ideal for powering PLC 5 I/O modules in manufacturing, process control, and automation environments requiring 5 VDC power with up to 8 A output.

FAQ

Q: Can this module be paralleled with other power supplies?
A: Yes, the 1771-P4S supports parallel operation with -LSP, -LWP, -XP, -ZP, and other -P4S modules.

Q: What chassis is compatible?
A: Designed for use in a 1771 series chassis with a single slot.

Q: What type of protection is included?
A: Includes a 1.5 A, 250 V slow-blow fuse for overload protection.