Description
The Belimo S2A/500GR Auxiliary Switch is an essential part used to provide additional switching operation for actuator control units in HVAC systems. It works by mechanically linking to the actuator shaft and increase dual SPDT contacts that signal position changes or control external parts based on valve or damper movement. It is used in air handling units, ventilation systems, and building automation setups where precise status is required. It is a reliable position indication, enhanced system control, and easy integration, helping improve monitoring accuracy and operational efficiency in systems.
