Industrial Automation » Programmable Logic Controllers (PLC)

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Used electrical control modules

  • Reliance Electric RELIANCE ,45 C997

    Reliance Electric RELIANCE ,45 C997

    • Manufacturer: Reliance Electric

    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 item. 30-Day Easy Returns ...

    $1,600 USD
    Galion, OH
  • Reliance Electric 805401-1S

    Reliance Electric 805401-1S

    • Manufacturer: Reliance Electric

    “New unused without original box NOS.” New unused 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 pictu...

    $5,000 USD
    Galion, OH
  • Reliance Electric RELIANCE 0-57409

    Reliance Electric RELIANCE 0-57409

    • Manufacturer: Reliance Electric

    “New, box is dirty from storage. NOS.” New, box is dirty from storage. 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 pic...

    $700 USD
    Galion, OH
  • Reliance Electric RELIANCE,57554-C

    Reliance Electric RELIANCE,57554-C

    • Manufacturer: Reliance Electric

    “New without original box, in sealed packaging.” 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 no...

    $2,000 USD
    Galion, OH
  • Reliance Electric RELIANCE ,61 C346

    Reliance Electric RELIANCE ,61 C346

    • Manufacturer: Reliance Electric

    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 item. 30-Day Easy Returns ...

    $2,200 USD
    Galion, OH
  • Trusted Seller
    Allen Bradley Control Module

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    Made In Usa Name: Control Module | Arrival date: 10-03-2025 | Dimensions l x w x h (inches): 13 x 14 x 9 | Capacity: 3 HP | Electrical: 24 VDC | Weight (lb.): 20 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Reliance Electric 86466-77S Rectifier Stack

    Reliance Electric 86466-77S Rectifier Stack Heat Sink Assembly 480V Power Module

    • Manufacturer: Reliance Electric

    If this item ships as Flat Rate Freight please see details in Shipping tab

    $900 USD
    Millersburg, IN
  • Trusted Seller
    Allen Bradley Control Module

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Ra440r06b01 Robot Tip Dresser Disc, Made In Usa

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

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Ba040r4b1 Robot Tip Dresser, Made In Usa Name: Control Module | Arrival date: 10-03-2025 | Dimensions l x w x h (inches): 24 x 14 x 9 | Capacity: 3 HP | Electrical: 24 VDC | Weight (lb.): 20 | Available quanti...

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

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Cm030r02 Robot Tip Dresser Disc, Made In Usa Name: Control Module | Arrival date: 10-03-2025 | Dimensions l x w x h (inches): 23 x 15 x 8 | Capacity: 3 HP | Electrical: 24 VDC | Weight (lb.): 20 | Available qu...

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

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Cm050r02td01 Robot Tip Dresser Disc, Made In Usa

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

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Pa010r01b01 Robot Tip Dresser Disc, Made In Usa

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

    Allen Bradley Control Module

    • Manufacturer: Allen-Bradley
    • Model: 280D

    W/ Cm050r04td01 Robot Tip Dresser Disc, Made In Usa

    $200 USD
    Euclid, OH
  • Reliance Electric 45C361 802820-90RD

    Reliance Electric 45C361 802820-90RD

    • Manufacturer: Reliance Electric

    “Used and in good condition.” Used and in good condition. 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 differ. Pl...

    $800 USD
    Galion, OH
  • Trusted Seller
    Siemens Sinamics Control Module

    Siemens Sinamics Control Module

    • Manufacturer: Siemens
    • Model: 6SL

    Used, Quantity 1 Name: Sinamics Control Module | Arrival date: 07-10-2025 | Dimensions l x w x h (inches): 15 x 11 x 9 | Weight (lb.): 9 | Available quantity: 1

    $100 USD
    Euclid, OH
23456

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.