RDK squirm a switching device. Overview RDK peristaltic switch from micro-switches, solenoids, friction wheel, slide rails, skid mechanism position switches and other components. Used to monitor the hydro group peristalsis in the stop state. RDK peristaltic micro switch operation monitoring device when the unit peristalsis, large shaft reaches the set point of view, an alarm signal. The product structure is simple to install, reliable, good stability and long service life. II. Technical parameters Operating voltage: DC24V installation distance: 4mm shaft diameter range: 60 ~ 4000mm spindle rotation: Clockwise contact type; passive contact SPDT contact capacity: 3A / AC220V, 0.5A / DC220V