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.
Mechanical & Electronic Access Control Hardware Systems
All hardware meets ANSI/BHMA A156.13 and UL 3Hr A Label