Allen-Bradley 1771-P4S

Allen-Bradley 1771-P4S | 5V DC, 8A Power Supply Module for PLC-5 Remote I/O Chassis

Overview

The Allen-Bradley 1771-P4S is a power supply module designed to provide 5V DC at up to 8 amps for use in PLC-5 remote I/O chassis systems. It mounts directly into a 1771 chassis and supplies regulated power to all installed I/O modules. This module is ideal for maintaining reliable power in distributed control architectures, especially where redundancy and separation of power sources are needed.

Key Features

• Output Voltage: 5V DC

• Output Current: 8 Amps

• Mounting: Installs directly into 1771 chassis (remote I/O)

• Chassis Compatibility: 1771 I/O chassis (Series A and compatible models)

• Protection: Overcurrent and thermal protection

• Indicator: Status LED for power condition

• Series: A

• Cooling: Natural convection (chassis-mounted)

Technical Specifications

• Catalog Number: 1771-P4S

• System Type: PLC-5 Remote I/O

• Input Voltage: Provided via chassis backplane

• Output Voltage: Regulated 5V DC

• Output Current Rating: 8A max

• Operating Temperature: 0°C to 60°C

• Certifications: UL, CE, CSA

• Enclosure Rating: IP20 (when installed in enclosure)

Applications

• PLC-5 remote I/O power supply

• Large distributed control systems

• Industrial automation and process control

• Machine control panels using legacy Allen-Bradley PLC-5 systems

• Redundant and segregated power zone configurations

Why Choose the 1771-P4S?

• Reliable Power Delivery: For demanding I/O configurations

• PLC-5 Compatibility: Built specifically for remote chassis

• High Output Current: Supports up to 8A at 5V DC

• Long-Term Availability: Trusted for legacy system maintenance

• Allen-Bradley Quality: Rockwell Automation certified performance

Order Now

The Allen-Bradley 1771-P4S is in stock and available for immediate global shipping.