Industrial Automation & Controls · 154 items
PLCs, drives, HMIs and I/O for industrial control. Every unit bench-tested, warranty included, with actual-unit photos. Have surplus to sell? We buy this category too.
Siemens
Siemens SITRANS P DS III 7MF4033-1BA10-1NC6-Z Gauge Pressure Transmitter
7MF4033-1BA10-1NC6-Z
Buying guidance
Industrial Automation & Controls equipment, explained
Control systems outlive the machines around them — and the parts that keep lines running are often long out of production. This is the equipment that keeps plants moving.
Drives & Motion · 13
Variable-frequency drives and servo systems control how motors start, stop and hold speed under load. Sizing is about voltage class, current rating and the control mode your application needs — and matching the drive family your panels already speak.
Browse Drives & MotionHMIs & Panels · 4
HMIs give operators visibility and control at the machine. Screen size and protocol support decide the fit, and on replacements the practical question is whether your existing project file runs on the panel's firmware.
Browse HMIs & PanelsI/O & Communication · 14
I/O modules and communication gateways move signals between field devices and controllers across protocols like EtherNet/IP, PROFINET and Modbus. Match the protocol, point count and signal types to the drawing — an exact replacement saves recommissioning time.
Browse I/O & CommunicationPLCs & Controllers · 64
PLCs execute the logic that runs machines and lines, and plants standardize on a platform for decades. Replacement processors, chassis, power supplies and I/O in matching generations are exactly what keeps a legacy system serviceable. Match series, firmware compatibility and memory before anything else.
Browse PLCs & ControllersNew, open box, or refurbished?
New sealed units are untouched in the manufacturer's packaging; open-box units are unused but unsealed; refurbished units are bench-tested working pulls. Every unit we list is photographed individually — the photos on the listing are the unit you receive — and covered by our warranty.
Need industrial Automation & Controls equipment we don't have listed?
We source new and refurbished across 100+ OEMs, including end-of-life parts. Prompt response.