Control Devices Products/Instrumentation & Automation/Control DevicesInstrumentation & Automation Industrial control solutions for a variety of industries. Quality Instrumentation and Automation Products For repeatability, process control and quality control.Disconnect SwitchDisconnect SwitchVariable Frequency Drive (VFD, sometimes called variable speed drive)Variable Frequency Drive (VFD, sometimes called variable speed drive)Process Controller/Programmable Logic Controller (PLC)Process Controller/Programmable Logic Controller (PLC)Motor Contactors and OverloadsMotor Contactors and OverloadsProximity and Photo Eye SwitchesProximity and Photo Eye SwitchesRelays and TimersRelays and TimersTemperature ControllersTemperature ControllersValve Positioners and SolenoidsValve Positioners and SolenoidsValve Position Indicators/Control TopsValve Position Indicators/Control TopsWeigh Scale ControllersWeigh Scale Controllers