The WS-212 is self-contained surface mount active infrared safety beam for interior of exterior use on any automatic sliding gate ,garage door ,pedestrian door ,industrial door and so on.WS-212 iss fetured by a flexibility and and an easiness for universal installations.

When the infrared beam is interrupted, the WS-212's relay output signals an industrial door or gate control to open, stop or reverse. On pedestrian swing doors, the WS-212 is mounted on the guide rails. When the door is closing and the overhead safety sensor is locked out, interrupting the WS-212 beam will bring this sensor protecting the swing side of the door back into the safety circuit thus inhibiting the door from reopening.