The EAR-0 is an electric part-turn actuator with built-in DMS3 electronics, designed for direct installation on regulating devices such as valves and dampers. It can be controlled via 24 V DC binary inputs or a unified analogue signal (0/4–20 mA, resp. 0/2–10 V) and automatically moves the output part to a position corresponding to the input signal.

The actuator is used in heating, energy, gas, air-conditioning and other technological systems, and is connected to the controlled device via a flange according to ISO 5211 or via a stand, lever and pull-rod. It must not be used as a lifting mechanism.

EAR-0 has protection enclosure IP67, a built-in space heater against condensation, contactless absolute position scanning, and manual control via a handwheel in case of power failure. The electronics allow programmable relays and adjustment of operating parameters via PC.