Circuit Boards

Circuit Boards — New & Used

Circuit boards form the foundation of modern electronics, enabling precise control, signal routing, and power distribution for a wide range of industrial and commercial systems. From power supply boards and control modules to I/O interfaces and communication PCBs, these components ensure reliable electrical connectivity and system performance. Each board is carefully inspected and tested for quality to help you keep critical equipment running efficiently.

At Surplus Select, we offer a dynamic selection of new and used OEM circuit boards sourced from manufacturers like Allen-Bradley, Siemens, Honeywell, GE, Omron, and Mitsubishi. Our surplus inventory is constantly updated, providing OEM-grade electronic control boards at exceptional surplus pricing for MRO and repair applications.

Price Match — We match any authorized distributor on identical in-stock parts, so you can source parts at surplus pricing with distributor-level assurance.

Trade-In Credit — Have quality new surplus items? Trade them in for store credit toward the components you actually need.

Fast U.S. Shipping — Most orders ship same or next business day from our U.S. warehouse to minimize downtime.

Find Your Board Fast (Search-First)

Search your part number (e.g., 6ES7-214-1AG40-0XB0, 1746-IA16, 531X111PSHAG1).
No PN? Try keywords: “Allen-Bradley PLC board” or “Siemens control PCB”.
Need a specific OEM? Add the brand (e.g., GE Mark VI board or Omron relay board).

Applications & Use Cases

Industrial automation systems: PLC, drive, and control circuit boards for process control.
HVAC & building control: Replacement PCBs for chillers, thermostats, and monitoring systems.
Power & energy management: Relay, sensor, and control boards for voltage regulation and protection.
Manufacturing & robotics: Motor control, I/O, and servo interface boards for precision automation.
Repair & refurbishment: Cost-effective OEM replacements for legacy and discontinued models.

Why Buy Circuit Boards from Surplus Select

New & Used Options: Tested OEM circuit boards for control, power, and automation systems.
Trusted Brands: Allen-Bradley, Siemens, GE, Honeywell, Omron, and Mitsubishi.
Trade-In Credit: Turn surplus electronic components into store credit for future projects.
Fast Shipping: Most orders ship same or next business day across the U.S.