The D-4990 Low Energy Operator offers STANLEY's newest and most convenient features to gain safe access for ADA applications. Used with electric latch retraction exit devices, electric strikes and other electric locking systems. A time delay function is integrated into the control system. The D-4990 Series eliminates the need for supplemental relays or controls.
can be used to initiate the operator, making integration with existing systems easier
based on a slight movement of the door
allows the door to be held in the open position up to 28 seconds, far exceeding the ANSI/BHMA A156.19 requirement
switch controls power the operator motor
reduces the possibility of personal injury
Patent-pending design reduces manual operation force commonly associated with low energy operators