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Allen Bradley

Allen Bradley 1771-PSC PLC Power Supply Module

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ManufacturerAllen Bradley

Part number1771-PSC

Input Voltage 120/240V AC

Output Voltage 5V DC

Output Current 10A

Chassis Type PLC-2, PLC-3, PLC-5

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Provides regulated 5V DC power Compatible with PLC-2, PLC-3, PLC-5 Reliable and stable power output Standard module form factor Essential for legacy systems

Product description

The Allen Bradley 1771-PSC is a power supply module designed to provide regulated DC power for the PLC-2, PLC-3, and PLC-5 families of programmable logic controllers. It ensures stable and reliable power delivery to the backplane and I/O modules, critical for consistent system operation.

This power supply is essential for legacy automation systems in industries such as manufacturing, automotive, and mining. It supports older Allen-Bradley PLC architectures, ensuring continued operation of established control systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 1771-PSC. We provide tested, quality surplus components for your industrial automation needs, helping you maintain vital legacy equipment.

Technical specifications

Input Voltage	120/240V AC
Output Voltage	5V DC
Output Current	10A
Chassis Type	PLC-2, PLC-3, PLC-5
Form Factor	Module

Common applications

Legacy PLC control systems

Manufacturing automation

Automotive production

Mining operations

Industrial process control

Compatible systems

Allen Bradley PLC-2 Allen Bradley PLC-3 Allen Bradley PLC-5

Also known as

Allen Bradley PLC Power Supply 1771-PSC 1771 PSC PLC-5 Power Supply

Replaces / compatible with

Direct replacement for existing 1771-PSC power supplies in PLC-2, PLC-3, and PLC-5 systems. Ensures compatibility with existing I/O modules.

Technical note

Expert tip

This power supply requires a separate 120V AC or 240V AC input to generate the 5V DC output for the PLC backplane.

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Frequently asked questions

What Allen-Bradley PLC systems is the 1771-PSC power supply compatible with?

The Allen Bradley 1771-PSC power supply is compatible with the PLC-2, PLC-3, and PLC-5 families of programmable logic controllers. It provides the necessary regulated DC power for these legacy systems.