Industrial Automation » Programmable Logic Controllers (PLC)

Search By Manufacturer

Search By Country

Building Filters

4042

Used electrical control modules

  • Trusted Seller
    Reliance Electric 57412-E Field Regulator

    Reliance Electric 57412-E Field Regulator Module NEW OPEN BOX

    • Manufacturer: Reliance Electric

    “Item is remanufactured from factory, comes in original box sealed in static shield” Reliance Electric 57412-E Field Regulator Module **NEW OPEN BOX** Actual item shown Product is in original factory packaging Th...

    $1,691 USD
    Gilbert, IA
  • GENERAL ELECTRIC,DS3800HUMA1B1C,UNIVERSAL MEMORY BOARD

    GENERAL ELECTRIC,DS3800HUMA1B1C,UNIVERSAL MEMORY BOARD

    • Manufacturer: GE

    “Used in good condition.” Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the...

    $900 USD
    Galion, OH
  • Trusted Seller
    Reliance Electric RCC1 847434-1S RE

    Reliance Electric RCC1 847434-1S RE PCB PLC Module 8474341S 0-48652-30 R E (NP1198-1)

    • Manufacturer: Reliance Electric

    Reliance Electric MPN: 847434-1S USED PC Board PLC Module RCC1 0-48652-30 Board 30 day warranty on all purchases. Your purchase will include what is pictured and described above ONLY.

    $137 USD
    Chattanooga, TN
  • Trusted Seller
    Allen Bradley Input Module -

    Allen Bradley Input Module - 1746-ib16

    • Manufacturer: Allen-Bradley
    • Model: 1746-IB16

    New Open Box Name: Input Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 10-30VDC | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Output Module -

    Allen Bradley Output Module - 1769-ob16

    • Manufacturer: Allen-Bradley
    • Model: 1769-OB16

    New, Open Box Name: Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $73 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Input Module -

    Allen Bradley Input Module - 1746-ia8

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New Open Box Name: Input Module | Arrival date: 11-04-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 1 | Available quantity: 1

    $75 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Output Module -

    Allen Bradley Output Module - 1769-oa8

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New, Factory Sealed Name: Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 3

    $200 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Ac Output Module

    Allen Bradley Ac Output Module - 1746-oa16

    • Manufacturer: Allen-Bradley
    • Model: 1746-OA16

    New Open Box Name: Ac Output Module | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60/85-265, 0.5A | Weight (lb.): 1 | Available quantity: 1

    $500 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Output Module -

    Allen Bradley Output Module - 1769-ob16

    • Manufacturer: Allen-Bradley
    • Model: 1769-OB16

    New, Open Box Name: Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $73 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Input Module -

    Allen Bradley Input Module - 1746-ia8

    • Manufacturer: Allen-Bradley
    • Model: 1746

    New Open Box Name: Input Module | Arrival date: 11-04-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 1 | Available quantity: 1

    $75 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Output Module -

    Allen Bradley Output Module - 1769-ow16

    • Manufacturer: Allen-Bradley
    • Model: 1769

    New, Factory Sealed Name: Output Module | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $175 USD
    Euclid, OH
  • Trusted Seller
    Reliance Electric Model 3575 M3575T-L15

    Reliance Electric Model 3575 M3575T-L15 Module PLC DC Bus Active Braking Brake (EBI3509-2)

    • Manufacturer: Reliance Electric

    Reliance Electric MPN: M3575T-L15 USED Brake Module PLC 30 day warranty on all purchases. Your purchase will include what is pictured and described above ONLY.

    $137 USD
    Chattanooga, TN
  • General Electric 3S7505KT700A3 Time delay

    General Electric 3S7505KT700A3 Time delay module. Loc3D21

    • Manufacturer: GE

    General Electric 3S7505KT700A3 Time delay module. Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Most of o...

    $23 USD
    Duncan, SC
  • RELIANCE,45C307,PROCESSOR MODULE

    RELIANCE,45C307,PROCESSOR MODULE

    • Manufacturer: Reliance Electric

    “Used in good condition.” What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the ...

    $700 USD
    Galion, OH
  • GENERAL ELECTRIC,DS3800NDAC1E1F,ANALOG OUTPUT CARD NOS

    GENERAL ELECTRIC,DS3800NDAC1E1F,ANALOG OUTPUT CARD NOS

    • Manufacturer: GE

    “New without original box, NOS.” New without original box, NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may dif...

    $1,200 USD
    Galion, OH
7891011

Overview

Programmable Logic Controllers (PLCs) are essential components in industrial automation, used for controlling machinery and processes in manufacturing, production lines, and other automated systems. They are designed to handle multiple inputs and outputs, offering reliable, flexible, and scalable solutions for complex control tasks. PLCs are known for their robustness and ability to operate in harsh industrial environments.

FAQ

What factors should I consider when purchasing a PLC?

Consider the number of input/output points required, the processing speed, memory capacity, compatibility with existing systems, and the specific application needs. Also, check for the availability of technical support and software updates.

How can I ensure safe shipping of a PLC?

Use a reputable shipping service that specializes in delicate electronic equipment. Ensure the PLC is packaged securely with ample padding to protect against shocks and vibrations during transit.

What are the maintenance requirements for a PLC?

Regularly inspect the PLC for dust and debris, ensure proper ventilation, and check connections for any signs of wear or corrosion. Follow the manufacturer's guidelines for firmware updates and system diagnostics to ensure optimal performance.