DS-K3H4421-120

LED indicates the passing direction(forbidden or available). When the power is cut off, the system will automatically unlock the brake levers into a free-passing mode to facilitate the evacuation of people. Valid passing duration settings: System will cancel the passing permission if a person does not pass through the lane within the valid passing duration. There is a DIP switch on the control panel, which adjusts the passage delay time. Support bi-directional passing through. View Less View more