Used with exit doors, when unauthorized egress is initiated when in the locked mode, these systems delay egress through the door for a set period of seconds.
SDC 1511S Exit Check Integrated Delayed Egress 1650lb
$935.20
SDC 1511T Exit Check, Delayed Egress, double door, 1650lb
$1,630.30
SDC 1581S Delayed Egress Mini exit, 650lbs
$721.00