The ELECTROMATIC Industrial SM 155 220 Tachometer Relay is a 220 VAC device that monitors rotational speed within a 200-2000 range and provides a controlled output for automation circuits. Designed for industrial control panels, it serves as a tachometer relay to trigger signals or interlock logic based on observed speed. Key identifiers include model SM 155 and the 220 VAC rating with a 200-2000 range specification.
