Control knobs are used for the control or adjustment of electronic or electrical devices

Industrial knobs are small, usually round, devices that are designed for use on industrial machinery, electronic components, and metal cabinetry.

Motor controllers receive supply voltages and provide signals to motor drives that are interfaced to motors.

HVAC controllers are used to monitor and control heating, ventilation and air conditioning (HVAC) systems in buildings.

Air valves allow metered fluid flow in one or both directions.

Environmental controllers control environmental factors such as temperature, humidity, and air pressure.

Specialty industrial process controllers are used in unlisted, specialized or proprietary applications.